CN220668794U - Pipeline protection structure - Google Patents

Abstract

The application is applicable to the technical field of pipeline protection, and provides a pipeline protection structure, which comprises a supporting table and a plurality of protection cover plates, wherein the supporting table is arranged on a slope in a covering way, and one side of the supporting table, which is away from the slope, is provided with a plurality of step surfaces; the protection cover plates are respectively arranged on the step surfaces in a one-to-one correspondence manner. The pipeline protection device is simple in structure and convenient to construct while protecting the pipeline buried under the slope.

Description

Pipeline protection structure

Technical Field

The application belongs to the technical field of pipeline protection, and particularly relates to a pipeline protection structure.

Background

The development of petroleum and natural gas has promoted the development of national economy and the progress of society, and oil and gas transportation is one of important links of the national energy industry, and has an irreplaceable important position. Ensuring efficient and safe oil and gas storage and transportation is an important way for ensuring national social stability and economic development. However, with the rapid growth of national traffic infrastructure construction, the phenomenon that the unavoidable construction road crosses with the in-service oil and gas pipeline occurs. When construction is performed above the in-service oil and gas pipeline, accidents such as falling at high positions and the like can occur, so that the oil and gas pipeline is damaged or broken, oil and gas leakage is caused, even serious safety accidents such as fire, explosion, poisoning and the like can be caused, and a series of secondary injury accidents can be caused. Therefore, when the oil and gas pipeline intersects with the construction road, protection measures need to be taken for the oil and gas pipeline.

In the actual construction process, a plurality of natural gas and petroleum pipelines are positioned in the low hilly areas, the ground surface has a certain natural gradient, the difficulty of arranging the protection structure is high for the oil and gas pipelines, and the construction of the protection structure is difficult.

Disclosure of Invention

The application provides a pipeline protection architecture for solve the oil gas pipeline of burying underground under domatic, set up the protection architecture degree of difficulty great, the comparatively difficult technical problem of construction of protection architecture.

The application provides a pipeline protection architecture, include:

the support table is covered on the slope surface, and one side of the support table, which is away from the slope surface, is provided with a plurality of step surfaces; and

the protection cover plates are respectively arranged on the step surfaces in a one-to-one correspondence manner.

Optionally, the supporting platform comprises a plurality of supporting steps which are arranged on the slope surface and are sequentially connected, and the top of each supporting step forms a step surface.

Optionally, a plurality of slope steps are excavated on the slope, and the supporting steps are poured on the slope steps.

Optionally, a side of the top surface of the slope surface step, which is close to the slope surface, is lower than a side of the top surface of the slope surface step, which is far away from the slope surface.

Optionally, a side of the step surface close to the slope surface is lower than a side of the step surface far from the slope surface.

Optionally, a reinforcing support structure is provided in the protective cover plate.

Optionally, the reinforcing support structure comprises:

the longitudinal ribs are arranged along the length direction of the protective cover plate; and

the stirrups are arranged at intervals along the length direction of the longitudinal ribs.

Optionally, a hanging ring is arranged on the protective cover plate.

Optionally, the hanging ring is connected with the stirrup through a hanging bar.

Optionally, the protective cover plate is a reinforced concrete structure.

The scheme of the application has the following beneficial effects:

in this application, this pipeline protection architecture is through covering the brace table on burying the domatic of pipeline, utilize the brace table to deviate from the step face of domatic one side and bear the protection apron, protection apron cooperation brace table will bury the pipeline under domatic and cover in order to form the protection to the pipeline, prevent that foreign object from dropping etc. and causing pipeline damage or fracture, this protection architecture only need set up the brace table on domatic, then cover on the brace table protection apron can, this pipeline protection architecture's simple structure, the construction is simple and convenient.

Other advantages of the present application will be described in detail in the detailed description section that follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a pipe protection structure provided herein;

fig. 2 is a schematic cross-sectional view of a protective cover plate provided in the present application.

[ reference numerals description ]

1. A protective cover plate;

101. a bottom layer rib; 102. a top layer rib; 103. stirrups; 104. a hanging ring; 105. hanging ribs;

2. slope steps;

3. a support table;

31. a support step; 311. a step surface;

4. a pipeline.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".

In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

At present, there is a need for a pipeline protection structure that is simple and convenient to construct and short in construction period while protecting a pipeline buried under a slope.

To the above-mentioned problem, this application provides a pipeline protection architecture, is applied to the pipeline 4 of burying under domatic, and as shown in fig. 1, above-mentioned pipeline protection architecture includes brace table 3 and a plurality of protection apron 1, and brace table 3 covers locates on the domatic, and one side that brace table 3 deviates from the domatic is provided with a plurality of step faces 311, and a plurality of protection apron 1 respectively one-to-one sets up on a plurality of step faces 311.

Above-mentioned pipeline protection structure is through covering on burying the domatic of pipeline 4 and establishing the brace table, utilizes the step face that the brace table deviates from domatic one side to bear the protection apron, and protection apron cooperation brace table will bury the pipeline 4 under domatic and cover in order to form the protection to pipeline 4, prevents that foreign object from dropping etc. and causing pipeline 4 damage or fracture, and this protection structure only needs to set up brace table 3 on domatic, then cover protection apron 1 on brace table 3 can, this pipeline protection structure's simple structure, the construction is simple and convenient.

In addition, the pipeline protection structure is simple in structure and convenient to construct, so that the construction period is shorter.

In some embodiments of the present application, as shown in fig. 1, the support stand 3 includes a plurality of support steps 31 disposed on a slope surface and connected in sequence, and a top of the support steps 31 forms a step surface 311.

The support steps 31 may be integrally cast to form the support table 3, or a plurality of support steps 31 may be spliced to form the support table 3.

In some embodiments of the present application, as shown in fig. 1, a plurality of slope steps 2 are excavated on the slope, and support steps 31 are poured on the slope steps 2.

In some embodiments of the present application, as shown in fig. 1, the cross section of the supporting step 31 is triangular, and one side thereof near the slope is fitted with the slope step 2.

The supporting step 31 is directly poured on the slope step 2, so that the damage to the pipeline 4 caused by heavy equipment when the prefabricated supporting step 31 is hoisted in the construction process can be avoided.

And the supporting step 31 is directly poured on the slope step 2, so that the prefabricated supporting step 31 is placed on the slope step 2 more closely than the surface, which is contacted with the slope step 2, of the supporting step 31.

In some embodiments of the present application, as shown in fig. 1, the side of the top surface of the ramp surface step 2 that is closer to the ramp surface is lower than the side of the top surface of the ramp surface step 2 that is farther from the ramp surface.

The side of the top surface of the slope surface step 2, which is close to the slope surface, is lower than the side of the top surface of the slope surface step 2, which is far away from the slope surface, so that the stability of the supporting step 31 attached to the slope surface step 2 can be enhanced, and the supporting step 31 is prevented from sliding off the slope surface.

In some embodiments of the present application, the side of the step surface 311 that is closer to the ramp surface is lower than the side of the step surface 311 that is farther from the ramp surface.

The side of the top surface of the step surface 311, which is close to the slope surface, is lower than the side of the top surface of the step surface 311, which is far away from the slope surface, so that the stability of the protective cover plate 1 attached to the step surface 311 can be enhanced, and the protective cover plate 1 is prevented from sliding off the supporting step 31.

In some embodiments of the present application, as shown in fig. 2, a reinforcing support structure is provided within the protective cover plate 1.

The reinforcement supporting structure is used for improving the strength of the protection cover plate 1, so that the protection effect on the pipeline 4 is better when articles fall.

In some embodiments of the present application, as shown in fig. 2, the reinforcing support structure includes a plurality of longitudinal ribs and a plurality of stirrups 103, the plurality of longitudinal ribs being disposed along the length of the protective cover plate 1; the plurality of stirrups 103 are arranged at intervals along the length direction of the longitudinal bars.

The longitudinal ribs are matched with the stirrups 103 to serve as a reinforcing and supporting structure of the protective cover plate 1, so that the strength of the protective cover plate 1 can be better improved.

In some embodiments of the present application, as shown in fig. 2, a lifting ring 104 is provided on the protective cover plate 1.

The lifting ring 104 is used for lifting and carrying the protective cover plate 1 more conveniently, and external equipment can be used for lifting the protective cover plate 1 to the step surface 311 by matching with the lifting ring 104.

In some embodiments of the present application, as shown in fig. 2, the lifting ring 104 is connected to the stirrup 103 by a lifting bar 105.

The hanging ring 104 is connected with the stirrup 103 through the hanging rib 105, so that the connection between the hanging ring 104 and the protective cover plate 1 is more stable, and the hanging ring 104 is difficult to fall off from the protective cover plate 1.

In some embodiments of the present application, as shown in fig. 2, the protective cover plate 1 is a reinforced concrete structure.

The protective cover plate 1 adopts a reinforced concrete structure, and can bear larger load and withstand time due to higher strength and durability of the reinforced concrete structure. In addition, the construction of the reinforced concrete structure is relatively simple, the construction process is mature, the construction can be completed rapidly, and the engineering progress is improved. And the maintenance cost of the reinforced concrete structure is relatively low, once the reinforced concrete structure is built, the reinforced concrete structure is only required to be inspected and maintained regularly, and frequent maintenance and replacement are not required.

In some embodiments of the present application, the protective cover 1 has a thickness of 200mm±5mm, a length of 2000mm±5mm, and a width of 1000mm±5mm.

The protective cover plate 1 with the above model is suitable in size and convenient to manufacture and transport.

In some embodiments of the present application, as shown in fig. 2, the longitudinal ribs are divided into a top layer rib 102 and a bottom layer rib 101, where there are 2 top layer ribs 102 and 5 bottom layer ribs 101.

It should be noted that when the protective cover plate 1 is manufactured, the bottom layer ribs 101 which are transversely distributed are firstly bound, then the top layer ribs 102 and the stirrups 103 are bound, after the sizes of all parts of the steel bars are checked to be qualified, the vertical mould reinforcement support is carried out, and the protective cover plate 1 is formed by concrete pouring, and comprises 5 No. 16 bottom layer ribs 101, 2 No. 16 top layer ribs 102, a plurality of No. 12 stirrups 103, 4 No. 12 hanging ribs 105 and 4 hanging rings 104.

In some embodiments of the present application, the number of the hanging rings 104 on each protection cover plate 1 is 4, and the hanging rings are respectively arranged at four corners of the top surface of the protection cover plate 1, so that the cover plate is convenient to hoist.

It should be noted that, preferably, in the production and manufacturing process, the protection cover plate 1 needs to be prefabricated, concrete is configured according to the design proportion, C25 concrete is adopted for pouring, slump of the mixture is checked at any time, and according to the concrete quality control standard (GB 50164-2011), the slump of the mixture is controlled to be 30-50 mm, after the completion, the prefabricated member concrete strength is detected to meet the requirement, the mold removal time is mastered according to the air temperature condition, the mold removal is carried out, the curing is carried out, and specifically, the protection cover plate 1 is prefabricated outside the safety range of the pipeline 4, and is lifted to the slope for installation after the manufacturing is completed. By way of example, the casting of the protective cover 1 can be carried out with C25 concrete, according to water: and (3) cement: sand: stone = 0.44:1:1.42: and 3.17, preparing concrete.

In a specific embodiment, the protection cover plate 1 is poured by using C25 concrete prepared according to the design, the bottom layer uses an inserted vibrator, the upper layer uses a flat vibrator to realize compaction by vibration, and the slump of the mixture and the correction template are checked at any time (for example, the mixture is vibrated in a plum blossom shape in the pouring process, and the mixture is quickly inserted and slowly pulled out during vibration, and does not collide with the template during each vibration). With reference to the concrete quality control Standard (GB 50164-2011), the slump of the mixture must be controlled between 30mm and 50mm.

In some embodiments of the present application, the width of the slope step 2 is 300mm±5mm, and the total excavation length of the slope step 2 of a certain region is 1000mm±5mm.

It should be noted that, the slope step 2 is precisely constructed in combination with the metal detector, loose floating soil is removed, the external equipment ramming machine is utilized to compact the ramming, and meanwhile, one side of the top surface of the slope step 2, which is close to the slope, is lower than one side of the top surface of the slope step 2, which is far away from the slope, by 2%, so as to further enhance the stability of the supporting step 31, and if the condition of overexcavation occurs in the slope step 2, gravel cushion layers or broken stones are adopted for leveling.

In some embodiments of the present application, when the slope gradient is 30 °, the length of the support step 31 is 1000mm±5mm, the width is 300mm±5mm, and the height is 580mm±5mm.

If the gradient changes, the height of the existing supporting step 31 is adjusted according to the corresponding relation, if the length of the supporting step 31 is L, the height is H, and the gradient is alpha, the relation is:

in some embodiments of the present application, the side of the step surface 311 of the supporting step 31 near the slope surface is lower than the side of the step surface 311 far away from the slope surface by 2%, so as to prevent the protective cover 1 from falling off and sliding off the supporting step 31.

In some embodiments of the present application, the support step 31 is manually poured in situ. And determining the position and the size of a foundation plane by using a total station, and installing a foundation concrete template after acceptance inspection. The position and the size of the supporting step 31 are determined by combining the size and the specific gradient of the protective cover plate 1, the template is firmly supported, the mold release agent is brushed, and concrete pouring is performed after the self-inspection is qualified.

In some embodiments of the present application, the protection cover plate 1 should randomly sample and manufacture standard curing and concrete strength and elastic modulus test pieces for construction from different parts of the component in the concrete pouring process, and vibration molding and curing are performed under the same conditions to check whether the concrete strength of the prefabricated component reaches the standard. Referring to the standard of the common concrete mechanical property test method (GB/T50081-2002), a cube with the side length of 150mm is manufactured, and the compressive value of C25 concrete is 25 MPa-30 MPa under the standard curing condition. Referring to the concrete structural design Specification (GB 50010-2010), the elastic modulus of C25 concrete is 25 GPa-30 GPa. And the demolding time is mastered according to the air temperature condition and the concrete setting and hardening condition, and the demolding is followed by curing and watering and covering with geotextile, wherein the curing time is not less than 7 days. With reference to the geotextile composite geomembrane of non-woven fabric of geosynthetic material (GB/T17642-2008), the geotextile uses two-cloth one-membrane waterproof geotextile with the specification of 300g/0.6mm/300 g.

In some embodiments of the application, the prefabricated protective cover plate 1 is disassembled after reaching the design strength, the components are numbered and marked in time, and the four-point shelving and hoisting method is adopted, so that the stability in the construction process is ensured, and the collision damage and the beam falling are prevented.

In some embodiments of the present application, the protective cover 1 is cleaned and rinsed after installation, and the gap is filled with M30 high-strength cement mortar in the gap between the plates after sufficient wetting.

In some embodiments of the present application, after the construction of the pipeline protection structure is completed, perfect drainage measures are provided on two sides of the pipeline protection structure, and an exemplary water ditch can be formed, and the water ditch is plastered by mortar, so that rain wash is prevented.

In some embodiments of the present application, a containment wall is disposed outside the pipeline protection structure (exemplary, containment may be composed of upright steel pipes and color steel tiles, with a height greater than 1.8 m), and personnel access by pipeline service personnel is strictly prohibited.

In some real-time examples of the application, detecting the construction environment, and illustratively, in a certain construction area, the construction area covering layer mainly comprises powdery clay, gravel, broken stone, tuberosity, argillite sandstone, sandstone and the like; the formation shape of the construction area is approximately divided into two groups, namely 130 DEG & lt 40 DEG and 330 DEG & lt 40 DEG, and the joint fracture shape is 200 DEG & lt 75 DEG, 85 DEG & lt 80 DEG, 140 DEG & lt 75 DEG; the seasonal change of the water quantity of the foundation rock weathered fissure water in the construction area is large, the foundation rock weathered fissure water is mainly excreted into the gullies, and according to the water quality analysis test result, the surface water and the underground water in the construction area have micro corrosiveness to concrete and steel bars. And before the measurement lofting, retesting the conducting wire points and the level points provided by the construction drawing, encrypting the control network, and attaching and measuring the encrypted points and the conducting wire points. Before construction, the diameter, buried depth and trend of the pipeline 4 in the construction area should be defined, and the gradient of the mountain area should be measured. The road section crossing the pipeline 4 is required, so that the large excavation is avoided as much as possible, and the adverse effect of heavy machinery construction on the pipeline 4 is avoided.

The above-mentioned pipeline protection structure mainly protects the top of pipeline 4, so during the construction, clear the table to former ground at first, then carry out the step excavation in the both sides that are away from pipeline 4 center (for the example, can be 700 mm's both sides from pipeline 4 center), can adopt the mode of manual excavation during the excavation, guarantee that the undisturbed soil around the pipeline 4 does not take place the disturbance, carry out the pouring of supporting step 31 after domatic step 2 is accomplished, prefabrication of protection apron 1 is carried out outside pipeline 4 safety range, hoist the protection apron 1 to the field dress after prefabrication is accomplished, ensure that construction electricity and fire all guarantee outside pipeline 4 safety range, and construction period control is in the prescribed time, so can reduce the influence to pipeline 4 safe operation.

While the foregoing is directed to the preferred embodiments of the present application, it should be noted that modifications and adaptations to those embodiments may occur to one skilled in the art and that such modifications and adaptations are intended to be comprehended within the scope of the present application without departing from the principles set forth herein.

Claims (10)

1. A pipe protection structure applied to a pipe (4) buried under a slope, characterized by comprising:

the supporting table (3) is covered on the slope surface, and a plurality of step surfaces (311) are arranged on one side of the supporting table (3) away from the slope surface; and

the protection cover plates (1) are respectively arranged on the step surfaces (311) in a one-to-one correspondence mode.

2. The pipe protection structure according to claim 1, wherein the support table (3) includes a plurality of support steps (31) disposed on the slope and connected in sequence, and a top of the support steps (31) forms the step surface (311).

3. The pipeline protection structure according to claim 2, characterized in that a plurality of slope steps (2) are excavated on the slope, and the supporting steps (31) are poured on the slope steps (2).

4. A pipe protection structure according to claim 3, characterized in that the side of the top surface of the ramp step (2) that is close to the ramp is lower than the side of the top surface of the ramp step (2) that is remote from the ramp.

5. The pipe protection structure according to claim 1, characterized in that the side of the step surface (311) close to the sloping surface is lower than the side of the step surface (311) remote from the sloping surface.

6. A pipe protection structure according to claim 1, characterized in that the protection cover plate (1) has a reinforcing support structure inside.

7. The pipe protection structure of claim 6, wherein the reinforcing support structure comprises:

the longitudinal ribs are arranged along the length direction of the protective cover plate (1); and

and the stirrups (103) are arranged at intervals along the length direction of the longitudinal ribs.

8. The pipeline protection structure according to claim 7, characterized in that the protection cover plate (1) is provided with a hanging ring (104).

9. The pipe protection structure according to claim 8, characterized in that the lifting ring (104) is connected to the stirrup (103) by means of a lifting bar (105).

10. The pipe protection structure according to any one of claims 1 or 6-9, characterized in that the protection cover plate (1) is a reinforced concrete structure.