CN113175059A - Sewage pipeline transformation method and equipment - Google Patents
Sewage pipeline transformation method and equipment Download PDFInfo
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- CN113175059A CN113175059A CN202110472256.2A CN202110472256A CN113175059A CN 113175059 A CN113175059 A CN 113175059A CN 202110472256 A CN202110472256 A CN 202110472256A CN 113175059 A CN113175059 A CN 113175059A
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- 239000010865 sewage Substances 0.000 title claims abstract description 118
- 238000011426 transformation method Methods 0.000 title description 6
- 238000010276 construction Methods 0.000 claims abstract description 138
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 21
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- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 4
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The application provides a sewage pipeline reconstruction method and equipment, wherein a vertical shaft is dug at a sewage pipeline to be reconstructed so as to reconstruct a sewage pipe to be reconstructed; then plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section to achieve subsection water guiding; dredging the sewage pipe in the current construction section to ensure the cleanness of the construction environment; finally, installing a new pipeline in the sewage pipe in the current construction section, carrying out a water closing test on the new pipeline, finishing the construction of the current construction section and starting the construction of the next construction section after the result of the water closing test is qualified; through sewage pipeline's earlier stage treatment and new pipeline's installation, test to realize sectional type sewage transformation, and set for the flow of transformation and improve the operational environment, thereby reduce the degree of difficulty of sewage transformation.
Description
Technical Field
The application relates to the technical field of sewage pipeline transformation, in particular to a sewage pipeline transformation method and equipment.
Background
The urban drainage pipe network is an indispensable important infrastructure of modern cities, is a basic industry with global and precedent influence on urban economic development, is a backbone of urban water pollution control and urban waterlogging drainage and flood control, and is an important mark for measuring the level of the modern cities.
When a municipal road is reformed, excavation construction often causes partial damage to a current sewage main pipeline; the main sewage pipeline needs to be repaired. The two ends of the repair section need to be cut off in the conventional excavation construction, and the main sewage pipeline is generally buried deeply, so that the excavation depth is usually deep; the method has certain influence on adjacent houses, underground facilities and the like, has long construction period and causes certain troubles to the lives of residents along the line.
Furthermore, with the progress of urbanization, the load of sewage systems is becoming more and more severe, and the urban underground sewage pipeline facilities may be over-corroded or broken and lose efficacy after many years of service. If the sewage piping system is damaged, the leakage of harmful substances inevitably damages public health.
Disclosure of Invention
The present application is proposed to solve the above-mentioned technical problems. The embodiment of the application provides a sewage pipeline transformation method and equipment, and solves the problem that the sewage pipeline is difficult to transform.
According to an aspect of the present application, there is provided a sewer line renovation method, including: digging a vertical shaft at the sewage pipeline to be modified; plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section; the sewage pipe to be reconstructed is divided into a plurality of construction sections along the extension direction of the sewage pipe to be reconstructed; carrying out dredging operation on the sewage pipe in the current construction section; installing a new pipeline in the sewage pipe in the current construction section; performing a water shut-off test on the new pipeline; and when the result of the water closing test is qualified, finishing the construction of the current construction section.
In one embodiment, the excavating a shaft at the sewer line to be modified comprises: digging vertical shafts in layers at the sewage pipeline to be modified; a locking collar beam is arranged at the wellhead of the vertical shaft; a steel grating is erected below the fore shaft collar beam; drilling a steel bar anchor rod on the side wall of the vertical shaft; welding a connecting rib and a reinforcing mesh on the reinforcing anchor rod; spraying concrete on the connecting ribs and the reinforcing mesh sheets; and carrying out bottom sealing operation on the bottom of the vertical shaft.
In one embodiment, the providing a collar beam at a wellhead of the shaft comprises: installing a locking ring beam steel bar at the wellhead of the vertical shaft; inserting longitudinal connecting steel bars into the steel bars of the fore shaft ring beam; installing a derrick and a ladder way embedded iron on the longitudinal connecting steel bar; pouring concrete on the steel bars of the fore shaft ring beam; building a water retaining wall on the derrick and the ladder way embedded iron; and installing a railing on the water retaining wall.
In one embodiment, the erecting a steel grid below the fore shaft collar beam comprises: erecting steel gratings below the locking collar beam in a layered mode; the steel gratings on the same layer are connected by angle steel, and the connecting plates of the steel gratings on the upper layer and the steel gratings on the lower layer are arranged in a staggered mode.
In one embodiment, the spraying concrete on the tie bars and the reinforcing mesh sheet includes: and sequentially spraying concrete on the connecting ribs and the reinforcing steel bar mesh sheets in a layering, slicing and segmenting manner, wherein the spraying direction is from bottom to top and spirally moves along the horizontal direction.
In one embodiment, the bottom closing operation for the bottom of the shaft comprises the following steps: and sealing the bottom of the vertical shaft by adopting reinforced concrete, wherein the bottom of the vertical shaft is connected with the lowest steel grating.
In an embodiment, the blocking a connection channel between a current construction section and an adjacent construction section of the sewage pipe to be transformed, and the conducting water to the current construction section includes: and plugging the upstream and the downstream of the current construction section, and conducting water diversion on the current construction section by adopting a sewage pump and a temporary pipe.
In an embodiment, the dredging operation for sewer pipes in the current construction segment comprises: and dredging the sewage pipe in the current construction section by adopting a winch and a closed transport vehicle, and flushing the sewage pipe in the current construction section by adopting a high-pressure jet vehicle.
In one embodiment, the performing the water shut-off test on the new pipe comprises: injecting water into the new pipeline; detecting a water leakage state in the new pipeline; and when no water leakage exists in the new pipeline, determining that the result of the water closing test is qualified.
According to another aspect of the present application, there is provided a sewer line modification apparatus, including: the vertical shaft digging module is used for digging a vertical shaft at the sewage pipeline to be modified; the water guide module is used for plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed and guiding water to the current construction section; the sewage pipe to be reconstructed is divided into a plurality of construction sections along the extension direction of the sewage pipe to be reconstructed; the dredging module is used for dredging the sewage pipe in the current construction section; the new pipe installation module is used for installing a new pipeline in the sewage pipe in the current construction section; the water closing test module is used for carrying out water closing test on the new pipeline; and the acceptance module is used for finishing the construction of the current construction section after the result of the water closing test is qualified.
According to the sewage pipeline transformation method and the sewage pipeline transformation equipment, the vertical shaft is dug at the position of the sewage pipeline to be transformed so as to transform the sewage pipe to be transformed; then plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section to achieve subsection water guiding; dredging the sewage pipe in the current construction section to ensure the cleanness of the construction environment; finally, installing a new pipeline in the sewage pipe in the current construction section, carrying out a water closing test on the new pipeline, finishing the construction of the current construction section and starting the construction of the next construction section after the result of the water closing test is qualified; through sewage pipeline's earlier stage treatment and new pipeline's installation, test to realize sectional type sewage transformation, and set for the flow of transformation and improve the operational environment, thereby reduce the degree of difficulty of sewage transformation.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a schematic flow chart of a method of modifying a sewer line according to an exemplary embodiment of the present application.
Fig. 2 is a schematic flow chart of a shaft excavation method according to an exemplary embodiment of the present application.
Fig. 3 is a schematic flow chart of a method for setting a shaft collar beam according to an exemplary embodiment of the present application.
Fig. 4 is a schematic flow chart of a water shut-off test method according to an exemplary embodiment of the present application.
Fig. 5 is a schematic structural view of a sewage line modifying apparatus according to an exemplary embodiment of the present application.
Fig. 6 is a schematic structural view of a sewage line modifying apparatus according to another exemplary embodiment of the present application.
Fig. 7 is a block diagram of an electronic device provided in an exemplary embodiment of the present application.
Detailed Description
Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.
Fig. 1 is a schematic flow chart of a method of modifying a sewer line according to an exemplary embodiment of the present application. As shown in fig. 1, the sewer line renovation method includes:
step 110: and digging a vertical shaft at the sewage pipeline to be modified.
The shaft excavation mode in this application adopts steel grating to hang reinforcing bar net piece and hangs reverse construction method plus corner brace, and the layering excavation, the layering anchor shotcrete concrete is strutted. The vertical shaft is square, the structure thickness is 300mm, in order to ensure the stable structure of the vertical shaft, a cast-in-place concrete locking collar beam is arranged at the well mouth, and the section size is 1000mm multiplied by 800 mm.
Step 120: and plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section.
Wherein, the sewage pipe that waits to reform transform is divided into a plurality of construction sections along the sewage pipe extending direction that waits to reform transform.
In an embodiment, the specific implementation manner of step 120 may be: and plugging the upstream and the downstream of the current construction section, and conducting water guide on the current construction section by adopting a sewage pump and a temporary pipe.
The principle of sectional construction and sectional water guide is adopted in the application. The sewage pipeline has larger water flow and higher water level, and in order to ensure safety, workers can not directly enter the inspection well for plugging. The water level in the pipe is required to be lowered first. After the water level is lowered, manually entering the inspection well for plugging. The upstream and downstream of each construction section pipeline are blocked by bricks, a sewage pump and a DN600 temporary pipe are adopted for water guiding, the water guiding pipe is paved in a downward returning mode when the paved pipeline passes through an intersection and a community opening, and a steel plate is paved on the road for protection. Wherein, plugging material is M10 cement mortar and builds MU10 sand lime brick, and the shutoff is built by laying bricks or stones thickness 500mm, and outer smear thickness 2cm and 1: 2.5 cement waterproof mortar.
Step 130: and carrying out dredging operation on the sewage pipe in the current construction section.
In an embodiment, the specific implementation manner of step 130 may be: and dredging the sewage pipe in the current construction section by adopting a winch and a closed transport vehicle, and flushing the sewage pipe in the current construction section by adopting a high-pressure jet vehicle. As the pipeline is transformed into the existing operating sewage pipeline, the sludge and sundries deposited in the pipeline reach 20 percent, the poor construction effect of the winding pipe is easily caused, namely, the track and elevation displacement is caused because too many attachments are adhered in the wall of the old pipe; the thrust is increased, and the outer wall of the new pipe is easy to scratch, so that the sewage pipe and the inspection well in the prior art need to be thoroughly desilted before installing the new pipeline. The pipeline dredging operation adopts the jet flow vehicle and the winch to cooperate for dredging, the silt is abandoned by the closed type transport vehicle, and the high-pressure jet flow vehicle is used for washing after dredging. When the pipeline is collapsed or seriously blocked, a lengthened shovel is needed to be used for dredging.
Firstly, a high-pressure jet vehicle is adopted to carry out primary washing on a pipeline, and a blocking grate is arranged at a downstream pipe orifice of an inspection well before washing. The jet flow vehicle is washed by a professional, the jet flow vehicle is washed from downstream to upstream, and the flushed sundries can be cleaned just when the jet flow vehicle stops washing. After the pipeline is firstly flushed by the high-pressure dredging vehicle, the two wells are communicated by the threading device, then the steel strand is tied at one end of the threading device, the steel strand is taken over, the steel strand (larger than the distance between the two inspection wells) is tied at the two sides of the mud supporting plate respectively, and the mud supporting plate is selected and used to be gradually increased from small to large until the size of the mud supporting plate is consistent with the size of the dredging pipeline. And after all the pipelines are desilted, the pipelines are flushed by the jet flow vehicle.
Step 140: and installing a new pipeline in the sewage pipe in the current construction section.
After the dredging operation of the sewage pipe in the current construction section is completed, the sewage pipe in the current construction section is detected, and when the detection is qualified, a new pipeline is installed in the sewage pipe in the current construction section so as to realize pipeline reconstruction on the premise of not dismantling the original pipeline, thereby simplifying the reconstruction difficulty. The specific implementation mode can be as follows: the section bar is continuously rolled by a winding machine, and primary and secondary lock catches on two sides of the section bar are interlocked through spiral rotation movement, so that a continuous seamless new pipeline which is smaller than the original pipeline is formed.
Step 150: the new pipe was tested for water shut-off.
And (3) performing a water closing test on the new pipeline under the conditions that the appearance quality and measurement inspection of the inspection well and the pipeline of the sewage pipeline are qualified, all reserved holes are blocked without water leakage, a water source meeting the water closing requirement is in the site, and the water discharge of the nearby environment is not influenced.
Step 160: and when the result of the water closing test is qualified, finishing the construction of the current construction section.
When the result of the water closing test is qualified, the construction of the current construction section is finished, and the construction of the current construction section can be finished at the moment so as to carry out the construction of other construction sections. This application also can be after all construction sections are accomplished, the test of closing water is carried out to whole sewage line again.
According to the sewage pipeline transformation method, the vertical shaft is dug at the position of the sewage pipeline to be transformed so as to transform the sewage pipe to be transformed; then plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section to achieve subsection water guiding; dredging the sewage pipe in the current construction section to ensure the cleanness of the construction environment; finally, installing a new pipeline in the sewage pipe in the current construction section, carrying out a water closing test on the new pipeline, finishing the construction of the current construction section and starting the construction of the next construction section after the result of the water closing test is qualified; through sewage pipeline's earlier stage treatment and new pipeline's installation, test to realize sectional type sewage transformation, and set for the flow of transformation and improve the operational environment, thereby reduce the degree of difficulty of sewage transformation.
Fig. 2 is a schematic flow chart of a shaft excavation method according to an exemplary embodiment of the present application. As shown in fig. 2, the step 110 may include:
step 111: and excavating vertical shafts in layers at the sewage pipeline to be modified.
The vertical shaft is dug in layers at the position of the sewage pipeline to be modified, and the structure of the vertical shaft is reinforced after the digging operation of each layer is completed, so that the stability of the vertical shaft is ensured.
Step 112: and a locking collar beam is arranged at the wellhead of the vertical shaft.
The width of the locking collar beam of the vertical shaft is 1000mm, the depth is 800mm, the locking collar beam is of a reinforced concrete structure, and the concrete is C30. And excavating foundation pit earthwork after the strength of the concrete of the locking collar beam reaches 80%. The upper part adopts machinery and manual work to cooperate and excavate soil, the lower part excavates soil manually while the anchor spraying is carried out, and a crane and a soil hopper are used for vertical transportation and mining. The excavation is carried out by adopting a mode of excavating from top to bottom, diagonally excavating and reserving core soil in the middle, and the same layer is strictly prohibited to run through the excavation in order to ensure safety. The excavation step sequence is matched with the grid installation step sequence, the excavation depth of each cycle is equal to the distance between the steel grids, excavation earthwork needs to be accumulated outside 10m of the periphery of the foundation pit, and the accumulation height is not more than 2 m. The spoil needs to be transported out of the site in time and cannot be accumulated on the side of the foundation pit in a large quantity, so that the risk of collapse caused by overlarge stress of the foundation pit supporting structure is avoided. The thickness of a reserved soil layer at the bottom of the natural foundation part is 20cm, when the mechanical excavation is carried out above the designed bottom of the foundation, measurement personnel cooperate to carry out the excavation together, the elevation is controlled by leveling measurement, and the excavation is not required to be carried out excessively so as to avoid disturbing the lower holding ground layer.
Step 113: and a steel grating is erected below the locking collar beam.
In an embodiment, the specific implementation manner of step 113 may be: erecting steel gratings below the locking collar beam in a layered mode; the steel gratings on the same layer are connected by angle steel, and the connecting plates of the upper layer steel grating and the lower layer steel grating are arranged in a staggered mode.
The part below the locking collar beam of the vertical shaft adopts a structure of sprayed concrete, steel grating and reinforcing mesh. The vertical spacing of horizontal steel grating is 500 mm. The vertical direction is connected by a phi 25 steel bar, the inner layer and the outer layer are arranged at an interval of 1m, and the vertical direction is integrated with a vertical shaft locking collar beam steel bar. The phi 8@150 x 150 steel bar mesh sheets are fully paved along the outer edges of the inner and outer main bars of the steel grating and are welded with the main bars into a whole, and the welding mode adopts lap welding and meets the standard requirement. In the construction of the vertical shaft, phi 25 embedded hollow grouting anchor rods with the length of 2.5m are arranged along the wall of the vertical shaft at the interval of 1.2 multiplied by 1.2 m. A closed ring beam is arranged at a ingate of a shaft wall of the vertical shaft, the ingate is constructed after the shaft is supported and a bottom plate is completed, a steel grating is broken at the ingate, steel bars are anchored into the ingate boundary beam, and the anchoring length is met.
The steel grating is assembled on site by sections, the steel gratings on the same layer are connected by adopting angle steel, the bolts are M22, the angle steel is 125 multiplied by 80 multiplied by 10, double-sided welding is adopted between the main ribs and the angle steel, the effective weld length is not less than 50mm, peripheral welding is adopted between the end parts of the main ribs and the steel plate, the height of the weld is not less than 8mm, and the positions of the upper layer steel grating connecting plates and the lower layer steel grating connecting plates are arranged in a staggered mode.
Connecting ribs are needed to be used between every two adjacent steel gratings, the connecting ribs are made of phi 25 deformed steel bars, the connecting ribs are used on the inner side and the outer side of each steel grating simultaneously, and the inner side and the outer side of each steel grating are arranged in a staggered mode. The distance between the connecting ribs on the same side is 1m, and the connecting ribs are firmly welded with the steel grating. When the connecting ribs are lapped, the requirements of five times of the diameter of the steel bar for double-sided welding and ten times of the diameter of the steel bar for single-sided welding are met, and E50 is adopted for welding all the welding.
Step 114: and (4) drilling a steel bar anchor rod on the side wall of the vertical shaft.
The side wall of the vertical shaft is provided with the steel bar anchor rod in a driving mode, so that the strength of the vertical shaft is further improved.
Step 115: and welding a connecting rib and a reinforcing mesh on the reinforcing anchor rod.
The strength of the vertical shaft is further improved by welding the connecting ribs and the reinforcing mesh on the reinforcing anchor rod.
Step 116: and spraying concrete on the connecting ribs and the reinforcing mesh sheets.
The design strength rating for shotcrete in this application is C25. And the concrete mixing ratio signboard and the metering equipment are arranged on site, so that the accuracy of various materials is ensured. The cement, the sand and the broken stones are stirred by a stirrer, the accelerator is added into the mixture near the sprayer, the mixture is used along with stirring, and the storage time of the dry material without the accelerator is not more than 45 minutes. In one embodiment, the concrete is sprayed on the connecting bars and the reinforcing mesh sheets in a layered, slicing and segmented mode in sequence, and the spraying direction is from bottom to top and spirally moves along the horizontal direction. The spraying operation should be carried out in layers, in pieces and in sections, the spraying sequence should spirally move along the horizontal direction from bottom to top, the convolution diameter should be about 300mm, half a circle is pressed for one circle, the once spraying thickness should not be larger than 100mm, and the spraying operation should be fully carried out in three layers and cannot be accumulated in one position.
The spraying hand must wear the raincoat, takes the rubber gloves, wears safety glasses and dust mask, must inspect whether instrument, equipment, material are complete intact before spraying, and the pipeline must not have the dead bend during the spraying, and non-operating personnel must not stop near, and the spray gun is forbidden the people under any circumstance strictly. The jetting machine must start with air supply, start and feed again, and close after the material is jetted. The material supply to the spraying machine should be continuous and uniform, and the hopper can keep enough material storage when the machine is in normal operation. The working wind pressure of the injection machine meets the requirement that the pressure at the nozzle is about 0.1MPa, and accumulated materials in the injection machine and the material conveying pipe must be cleaned completely when the injection operation is finished or the injection is interrupted due to reasons. The spray construction operation should comply with the following regulations: the good working performance of the spray head is always kept; the spray head and the sprayed surface should be kept vertical, the distance of 0.6-1.0 m should be kept, the water-cement ratio is controlled when the concrete is sprayed, and the surface of the concrete is kept flat. Before the concrete is sprayed in each excavation, the connecting position of the concrete sprayed in the previous time is roughened, and soil adhered to the surface is removed, so that the compactness of the concrete at the connecting position is guaranteed.
Step 117: and carrying out bottom sealing operation on the bottom of the vertical shaft.
In an embodiment, the specific implementation manner of step 117 may be: and the bottom of the vertical shaft is sealed by adopting reinforced concrete, and is connected with the lowest steel grating. And after the excavation depth reaches the bottom elevation of the working pit, the construction is carried out, the construction is connected with the last grid of the bottom of the vertical shaft, a phi 20@200 x 200 double-layer reinforcing mesh is arranged at the bottom sealing layer, and a C30 concrete bottom sealing with the thickness of 300mm is arranged.
This application can also set up the guardrail that highly is not less than 1.2m around the working shaft to adopt close mesh safety net to seal, and establish the baseboard that is not less than 20cm, the guardrail material is 32 steel frame subducts. The working well is provided with a safety ladder and all necessary safety equipment, each ladder section is 800mm wide, the horizontal projection length is 7000mm, and the elevation angle of the ladder section is about 30-40 degrees. The outer side of each ladder section of the ladder stand is provided with a protective railing with the height not less than 1.2m, the guardrail upright posts and the handrails are made of 32 multiplied by 3.25 steel pipes, and the distance between the steel pipe upright posts is 0.5 m; and isolation measures are taken between the pedestrian area and the vertical transportation area. Two I-shaped steel beams are additionally arranged at a wellhead of the pedestrian steel ladder, and the support cross arm is arranged on a wellhead frame beam and mainly bears the loads of the steel ladder, personnel, materials and the like. The steel ladder is installed in a downward extending mode along with shaft excavation supporting construction, and the platform beam I-shaped steel is anchored in sprayed concrete of a shaft wall of the shaft and bears vertical or horizontal acting force transmitted by the steel ladder.
Fig. 3 is a schematic flow chart of a method for setting a shaft collar beam according to an exemplary embodiment of the present application. As shown in fig. 3, the step 112 may include:
step 1121: and installing a locking ring beam steel bar at the wellhead of the vertical shaft.
The erection of the main structure of the fore shaft ring beam is realized by installing the fore shaft ring beam steel bars (main bars) at the well mouth of the vertical shaft, wherein the fore shaft ring beam steel bars use 22 pieces of phi 20 deformed steel bars.
Step 1122: and longitudinally connecting reinforcing steel bars are inserted in the reinforcing steel bars of the locking collar beam.
Through inserting the longitudinal connection reinforcing bar in the fore shaft collar tie beam reinforcing bar to realize the mutual support of fore shaft collar tie beam reinforcing bar and fix, thereby improved the bulk strength of fore shaft collar tie beam. Wherein, the reinforcing bar of phi 10 is used to the vertical connecting reinforcing bar, and the interval between adjacent vertical connecting reinforcing bars is 200 mm.
Step 1123: and installing a derrick and ladder way embedded iron on the longitudinal connecting steel bars.
Through installing derrick and ladder way embedded iron on longitudinal connection reinforcing bar to realize that operating personnel conveniently gets into in the construction area, and guaranteed operating personnel's safety.
Step 1124: and concrete is poured on the steel bars of the fore shaft ring beam.
The strength of the locking collar beam is further improved by pouring concrete on the locking collar beam reinforcing steel bars. Wherein the thickness of the concrete layer is 40 mm.
Step 1125: and building a water retaining wall on the derrick and the pre-buried iron of the stairway.
The water retaining wall is built on the derrick and the ladder way embedded iron, so that sewage is blocked, the sewage is prevented from entering the embedded iron to influence construction, and the construction environment of operators is improved.
Step 1126: and a railing is arranged on the water retaining wall.
The guardrail is arranged on the water retaining wall, so that the construction safety of operators is further improved.
Fig. 4 is a schematic flow chart of a water shut-off test method according to an exemplary embodiment of the present application. As shown in fig. 4, the step 150 may include:
step 151: and injecting water into the new pipeline.
Before water injection, whether pipe plugs of all reserved branch pipes are tight or not is checked, whether the intensity of the plastering meets the requirement or not is checked, and after the pipe plugs are qualified, water can be injected. And (4) in the water injection process, the water closing test is carried out when no water leakage exists at the positions of pipe blockage, pipelines, well bodies and the like. The water level of the test is 2m above the top of the upstream pipe of the test section.
Step 152: and detecting the water leakage state in the new pipeline.
Step 153: and when no water leakage exists in the new pipeline, determining that the result of the water closing test is qualified.
The appearance inspection of the interface and the pipe body in the water closing test is qualified as no water leakage, the measuring time of the water leakage amount is not less than 24h, and the water leakage amount is not more than the allowable water leakage amount. The water cut-off test allows the amount of water to be calculated as follows:
Qe＝0.0046DL
wherein: qeAn allowable water seepage amount (m3) of 24h per 1km of pipe length; dLIs the inner diameter (mm) of the pipeline.
Fig. 5 is a schematic structural view of a sewage line modifying apparatus according to an exemplary embodiment of the present application. As shown in fig. 5, the sewer line modifying apparatus 50 includes: a shaft excavation module 51 for excavating a shaft at the sewage pipeline to be modified; the water guiding module 52 is used for plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and guiding water to the current construction section; the sewage pipe to be reconstructed is divided into a plurality of construction sections along the extending direction of the sewage pipe to be reconstructed; the dredging module 53 is used for dredging the sewage pipe in the current construction section; a new pipe installation module 54 for installing a new pipe in the sewage pipe in the current construction section; the water closing test module 55 is used for performing a water closing test on the new pipeline; and an acceptance module 56 for ending the construction of the current construction section when the result of the water-closing test is qualified.
According to the sewage pipeline reconstruction equipment provided by the application, a vertical shaft is dug at a sewage pipeline to be reconstructed through the vertical shaft digging module 51 so as to reconstruct a sewage pipe to be reconstructed; then the water guiding module 52 blocks a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducts water guiding on the current construction section so as to realize subsection water guiding; the dredging module 53 carries out dredging operation on the sewage pipe in the current construction section so as to ensure the cleanness of the construction environment; finally, a new pipeline is installed in the sewage pipe in the current construction section by the new pipe installation module 54, a water closing test module 55 carries out a water closing test on the new pipeline, and when the result of the water closing test is qualified, the acceptance module 56 finishes the construction of the current construction section and starts the construction of the next construction section; through sewage pipeline's earlier stage treatment and new pipeline's installation, test to realize sectional type sewage transformation, and set for the flow of transformation and improve the operational environment, thereby reduce the degree of difficulty of sewage transformation.
In an embodiment, the water guiding module 52 may be further configured to: and plugging the upstream and the downstream of the current construction section, and conducting water guide on the current construction section by adopting a sewage pump and a temporary pipe.
In an embodiment, the dredging module 53 may be further configured to: and dredging the sewage pipe in the current construction section by adopting a winch and a closed transport vehicle, and flushing the sewage pipe in the current construction section by adopting a high-pressure jet vehicle.
Fig. 6 is a schematic structural view of a sewage line modifying apparatus according to another exemplary embodiment of the present application. As shown in fig. 6, the shaft excavation module 51 may include: a layered excavation unit 511 for excavating a shaft in layers at the sewage pipeline to be modified; the locking collar beam setting unit 512 is used for setting the locking collar beam at the wellhead of the vertical shaft; a steel grating erection unit 513 for erecting a steel grating below the fore shaft girth; the reinforcing steel bar anchor rod driving unit 514 is used for driving the reinforcing steel bar anchor rods on the side wall of the vertical shaft; the welding unit 515 is used for welding the connecting ribs and the reinforcing mesh on the reinforcing anchor rod; a concrete spraying unit 516 for spraying concrete on the tie bars and the reinforcing mesh sheets; and a bottom sealing unit 517, configured to perform a bottom sealing operation on the bottom of the shaft.
In an embodiment, the steel grid erecting unit 513 may be further configured to: erecting steel gratings below the locking collar beam in a layered mode; the steel gratings on the same layer are connected by angle steel, and the connecting plates of the upper layer steel grating and the lower layer steel grating are arranged in a staggered mode.
In an embodiment, the back cover unit 517 may be further configured to: and the bottom of the vertical shaft is sealed by adopting reinforced concrete, and is connected with the lowest steel grating.
In an embodiment, as shown in fig. 6, the shackle beam setting unit 512 may include: the main reinforcement installation subunit 5121 is used for installing a locking ring beam reinforcement at the wellhead of the vertical shaft; a connection rib installation subunit 5122 for inserting a longitudinal connection reinforcing steel bar into the fore shaft collar beam reinforcing steel bar; the derrick mounting subunit 5123 is used for mounting a derrick and a ladder way embedded iron on the longitudinal connecting steel bars; a pouring subunit 5124, which is used for pouring concrete on the steel bars of the fore shaft ring beam; a masonry subunit 5125, which is used for building a water retaining wall on the derrick and the ladder way embedded iron; a rail mounting subunit 5126 for mounting the rail on the water blocking wall.
In one embodiment, as shown in FIG. 6, the water shut-off test module 55 may include: a water injection unit 551 for injecting water into the new pipe; a detection unit 552 for detecting a water leakage state in the new pipe; a determination unit 553 for determining that the result of the water shut-off test is qualified when there is no water leakage in the new pipe.
Next, an electronic apparatus according to an embodiment of the present application is described with reference to fig. 7. The electronic device can be applied to the intelligent shallow-buried and underground excavated working equipment, and the electronic device can be one or both of the first device and the second device or a stand-alone device independent of the first device and the second device, and the stand-alone device can be communicated with the first device and the second device to receive the collected input signals from the first device and the second device.
FIG. 7 illustrates a block diagram of an electronic device in accordance with an embodiment of the present application.
As shown in fig. 7, the electronic device 10 includes one or more processors 11 and memory 12.
The processor 11 may be a Central Processing Unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device 10 to perform desired functions.
Memory 12 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc. On which one or more computer program instructions may be stored that may be executed by the processor 11 to implement the sewer line modification method of the various embodiments of the present application described above and/or other desired functions. Various contents such as an input signal, a signal component, a noise component, etc. may also be stored in the computer-readable storage medium.
In one example, the electronic device 10 may further include: an input device 13 and an output device 14, which are interconnected by a bus system and/or other form of connection mechanism (not shown).
For example, when the electronic device is a first device or a second device, the input device 13 may be an instrument such as a sensor for inputting a signal. When the electronic device is a stand-alone device, the input means 13 may be a communication network connector for receiving the acquired input signals from the first device and the second device.
The input device 13 may also include, for example, a keyboard, a mouse, and the like.
The output device 14 may output various information including the determined distance information, direction information, and the like to the outside. The output devices 14 may include, for example, a display, speakers, a printer, and a communication network and its connected remote output devices, among others.
Of course, for simplicity, only some of the components of the electronic device 10 relevant to the present application are shown in fig. 7, and components such as buses, input/output interfaces, and the like are omitted. In addition, the electronic device 10 may include any other suitable components depending on the particular application.
In addition to the above-described methods and apparatus, embodiments of the present application may also be a computer program product comprising computer program instructions that, when executed by a processor, cause the processor to perform the steps in the sewer line modification method according to various embodiments of the present application described in the "exemplary methods" section of this specification, supra.
The computer program product may be written with program code for performing the operations of embodiments of the present application in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.
Furthermore, embodiments of the present application may also be a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, cause the processor to perform the steps in the sewer line modification method according to various embodiments of the present application described in the "exemplary methods" section above in this specification.
The computer-readable storage medium may take any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may include, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.
The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
Claims (10)
1. A method of modifying a sewer line, comprising:
digging a vertical shaft at the sewage pipeline to be modified;
plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed, and conducting water guiding on the current construction section; the sewage pipe to be reconstructed is divided into a plurality of construction sections along the extension direction of the sewage pipe to be reconstructed;
carrying out dredging operation on the sewage pipe in the current construction section;
installing a new pipeline in the sewage pipe in the current construction section;
performing a water shut-off test on the new pipeline; and
and when the result of the water closing test is qualified, finishing the construction of the current construction section.
2. The sewer line modification method of claim 1, wherein said digging a shaft at the sewer line to be modified comprises:
digging vertical shafts in layers at the sewage pipeline to be modified;
a locking collar beam is arranged at the wellhead of the vertical shaft;
a steel grating is erected below the fore shaft collar beam;
drilling a steel bar anchor rod on the side wall of the vertical shaft;
welding a connecting rib and a reinforcing mesh on the reinforcing anchor rod;
spraying concrete on the connecting ribs and the reinforcing mesh sheets; and
and carrying out bottom sealing operation on the bottom of the vertical shaft.
3. The sewer line retrofitting method of claim 2, wherein said providing a collar beam at a wellhead of said shaft comprises:
installing a locking ring beam steel bar at the wellhead of the vertical shaft;
inserting longitudinal connecting steel bars into the steel bars of the fore shaft ring beam;
installing a derrick and a ladder way embedded iron on the longitudinal connecting steel bar;
pouring concrete on the steel bars of the fore shaft ring beam;
building a water retaining wall on the derrick and the ladder way embedded iron; and
and a railing is arranged on the water retaining wall.
4. The sewer line retrofitting method of claim 2, wherein said erecting a steel grating under said shackle collar beam comprises:
erecting steel gratings below the locking collar beam in a layered mode; the steel gratings on the same layer are connected by angle steel, and the connecting plates of the steel gratings on the upper layer and the steel gratings on the lower layer are arranged in a staggered mode.
5. The method of modifying a sewer line of claim 2, wherein said spraying concrete on said tendons and said mesh reinforcement pieces comprises:
and sequentially spraying concrete on the connecting ribs and the reinforcing steel bar mesh sheets in a layering, slicing and segmenting manner, wherein the spraying direction is from bottom to top and spirally moves along the horizontal direction.
6. The sewer line retrofitting method of claim 2, wherein said bottoming said bottom of said shaft comprises:
and sealing the bottom of the vertical shaft by adopting reinforced concrete, wherein the bottom of the vertical shaft is connected with the lowest steel grating.
7. The sewer line reconstruction method of claim 1, wherein said plugging a connecting channel of a current construction section and an adjacent construction section of the sewer pipe to be reconstructed, and said conducting water to the current construction section comprises:
and plugging the upstream and the downstream of the current construction section, and conducting water diversion on the current construction section by adopting a sewage pump and a temporary pipe.
8. The sewer line retrofitting method of claim 1, wherein said dredging of the sewer pipe in said current construction segment comprises:
and dredging the sewage pipe in the current construction section by adopting a winch and a closed transport vehicle, and flushing the sewage pipe in the current construction section by adopting a high-pressure jet vehicle.
9. The sewer line retrofitting method of claim 1, wherein said performing a water shut-off test on said new pipe comprises:
injecting water into the new pipeline;
detecting a water leakage state in the new pipeline; and
and when no water leakage exists in the new pipeline, determining that the result of the water closing test is qualified.
10. A sewer line rehabilitation apparatus, comprising:
the vertical shaft digging module is used for digging a vertical shaft at the sewage pipeline to be modified;
the water guide module is used for plugging a connecting channel between the current construction section and the adjacent construction section of the sewage pipe to be reconstructed and guiding water to the current construction section; the sewage pipe to be reconstructed is divided into a plurality of construction sections along the extension direction of the sewage pipe to be reconstructed;
the dredging module is used for dredging the sewage pipe in the current construction section;
the new pipe installation module is used for installing a new pipeline in the sewage pipe in the current construction section;
the water closing test module is used for carrying out water closing test on the new pipeline; and
and the acceptance module is used for finishing the construction of the current construction section after the result of the water closing test is qualified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110472256.2A CN113175059A (en) | 2021-04-29 | 2021-04-29 | Sewage pipeline transformation method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110472256.2A CN113175059A (en) | 2021-04-29 | 2021-04-29 | Sewage pipeline transformation method and equipment |
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| CN113175059A true CN113175059A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN111765318A (en) * | 2020-07-02 | 2020-10-13 | 深圳市市政工程总公司 | A pipeline diversion structure for pipeline repair |
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| FR2149206A5 (en) * | 1970-09-22 | 1973-03-23 | Insituform Ltd | |
| CN102486247A (en) * | 2010-12-02 | 2012-06-06 | 杨兵 | Repairing technology of water supply and drainage pipeline with serous membrane lining method |
| CN109882192A (en) * | 2019-02-26 | 2019-06-14 | 重庆交通建设(集团)有限责任公司 | TBM starting well shaft construction method |
| CN110159867A (en) * | 2019-06-05 | 2019-08-23 | 保定市金马漏水检测有限公司 | Intert PE pipe repairing method in no-dig technique |
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