CN208748662U - Foundation pit front-supporting type slip casting steel pipe support structure - Google Patents
Foundation pit front-supporting type slip casting steel pipe support structure Download PDFInfo
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- CN208748662U CN208748662U CN201821252338.6U CN201821252338U CN208748662U CN 208748662 U CN208748662 U CN 208748662U CN 201821252338 U CN201821252338 U CN 201821252338U CN 208748662 U CN208748662 U CN 208748662U
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- supporting type
- casting steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000007569 slipcasting Methods 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 206010058109 Hangnail Diseases 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to multiple material handling method of deep foundation pit fields, and disclose a kind of foundation pit front-supporting type slip casting steel pipe support structure, including foundation pit enclosure, the top at the foundation pit enclosure back side is fixedly connected with the front of capping beam, the side of the foundation pit enclosure is fixedly connected with the side of concrete load transfering strip, and the side of foundation pit enclosure is fixedly connected with the side of reinforced bed, the bottom of the concrete load transfering strip is fixedly connected with the side at the top of reinforced bed, and the other side of the concrete load transfering strip is fixedly installed with backing plate.The foundation pit front-supporting type slip casting steel pipe support structure, pass through the cooperation of reinforced bed, front-supporting type slip casting steel pipe and sealing piece, convenient for preferably making the big reduction of content of constructing, speed of application is very fast, to solve the problems, such as that original support system is complex and can cause dust pollution to environment when tearing support open, shoveling efficiency and bed course construction of bottom plates speed are greatly improved.
Description
Technical field
The utility model relates to multiple material handling method of deep foundation pit field, specially a kind of foundation pit front-supporting type slip casting steel pipe support knot
Structure.
Background technique
With being continuously increased for the modern architecture number of plies, corresponding parking facility and underground use space demand also increase
Add, thus to underground development seek space into natural trend, use system of deep foundation pit support is greatly developed, emerge in large numbers
A variety of multiple material handling method of deep foundation pit out, nowadays most foundation pit supporting system be fender post add in foundation pit to support, angle brace form,
The supporting form of this form is also possible that small-scale pit but Large Foundation Pit is wasted larger, and the construction period is longer and apply
Work speed is slow, so that the efficiency of construction is slower, while foundation pit supporting system is in the form of anchor cable by fender post to outside foundation pit, but base
It is often very complicated to cheat external environment, such as pipeline is more, accidentally drilling machine may encounter pipeline, and safety can be led to when serious
The problem of accident.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of foundation pit front-supporting type slip casting steel pipe support structure, tool
The advantages that standby construction is simple, progress be fast, save the cost, and the outer red line of foundation pit and pipeline can effectively be avoided to constrain, solves nowadays
Most foundation pit supporting system be fender post add in foundation pit to support, angle brace form, the supporting form of this form is for small-sized
Foundation pit is also possible that but Large Foundation Pit is wasted larger, and the construction period is longer and speed of application is slow so that the efficiency of construction compared with
Slowly, while foundation pit supporting system is in the form of anchor cable by fender post to outside foundation pit, but foundation pit external environment is often very complicated, such as
The problem of pipeline is more, and accidentally drilling machine may encounter pipeline, and safety accident can be led to when serious.
(2) technical solution
To realize that above-mentioned construction is simple, progress be fast, save the cost, the mesh of foundation pit outer red line and pipeline constraint can be effectively avoided
, the utility model provides the following technical solutions: a kind of foundation pit front-supporting type slip casting steel pipe support structure, including foundation pit enclosure, institute
The top for stating the foundation pit enclosure back side is fixedly connected with the front of capping beam, side and the concrete load transfering strip of the foundation pit enclosure
Side is fixedly connected, and the side of foundation pit enclosure is fixedly connected with the side of reinforced bed, the bottom of the concrete load transfering strip
It being fixedly connected with the side at the top of reinforced bed, the other side of the concrete load transfering strip is fixedly installed with backing plate, and backing plate
It is fixedly connected at the top of bottom and reinforced bed, the side at the top of the backing plate is fixedly installed with basement structure, described to bear down on one
The inner cavity of beam is fixedly connected with one end of front-supporting type slip casting steel pipe, and the other end of front-supporting type slip casting steel pipe passes through sealing piece and pad
Plate is fixedly connected with the front of basement structure, and guard aperture hangnail is fixedly installed at the top of the front-supporting type slip casting steel pipe, described
The positive side of front-supporting type slip casting steel pipe offers injected hole.
Preferably, the bottom end of the front-supporting type slip casting steel pipe offers injected hole, and injected hole is with quincuncial arrangement, described
The diameter value of injected hole is 6~8mm.
Preferably, the quantity of the guard aperture hangnail is four, and the shape of four guard aperture hangnails is arc, and the guard aperture falls
The material of thorn is angle steel.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of foundation pit front-supporting type slip casting steel pipe support structure, have with
It is lower the utility model has the advantages that
1, the foundation pit front-supporting type slip casting steel pipe support structure, passes through reinforced bed, front-supporting type slip casting steel pipe and sealing piece
Cooperation, convenient for preferably making the big reduction of content of constructing, speed of application is very fast, so that it is complex to solve original support system
And the problem of dust pollution can be caused to environment when tearing support open, greatly improve shoveling efficiency and bed course construction of bottom plates speed.
2, foundation pit front-supporting type slip casting steel pipe support structure, by the cooperation of foundation pit enclosure and backing plate, convenient for preferably making
Underground Construction can link up progress, save great amount of cost, periodically conserved and torn open to solve Construction of Supporting needs
The problem of except work, improves the efficiency of work and then reduces the more duration.
Detailed description of the invention
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the utility model structure guard aperture hangnail schematic diagram；
Fig. 3 is the utility model structure foundation pit enclosure schematic diagram；
Fig. 4 is the utility model structure front-supporting type slip casting steel pipe support schematic diagram；
Fig. 5 is the utility model structural reinforcement bed course schematic diagram；
Fig. 6 is the utility model structure basement structure schematic diagram；
Fig. 7 is the utility model structural concrete load transfering strip schematic diagram；
Fig. 8 is that the utility model structure cuts off front-supporting type slip casting steel pipe schematic diagram.
In figure: 1, foundation pit enclosure；2, capping beam；3, concrete load transfering strip；4, reinforced bed；5, backing plate；6, basement knot
Structure；7, front-supporting type slip casting steel pipe；8, sealing piece；9, guard aperture hangnail；10, injected hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-8, a kind of foundation pit front-supporting type slip casting steel pipe support structure, including foundation pit enclosure 1 are please referred to, foundation pit enclosure 1 is carried on the back
The top in face is fixedly connected with the front of capping beam 2, and the side of foundation pit enclosure 1 is fixedly connected with the side of concrete load transfering strip 3,
And the side of foundation pit enclosure 1 is fixedly connected with the side of reinforced bed 4,4 top of bottom and reinforced bed of concrete load transfering strip 3
Side be fixedly connected, the other side of concrete load transfering strip 3 is fixedly installed with backing plate 5, and the bottom of backing plate 5 and reinforced bed 4
Top be fixedly connected, the side at the top of backing plate 5 is fixedly installed with basement structure 6, the inner cavity of capping beam 2 and front-supporting type slip casting
One end of steel pipe 7 is fixedly connected, and the bottom end of front-supporting type slip casting steel pipe 7 offers injected hole 10, and injected hole 10 is with quincunx cloth
It sets, the diameter value of injected hole 10 is 6~8mm, and the other end of front-supporting type slip casting steel pipe 7 passes through sealing piece 8 and backing plate 5 and ground
The front of lower cell structure 6 is fixedly connected, and the top of front-supporting type slip casting steel pipe 7 is fixedly installed with guard aperture hangnail 9, it is preferred that guard aperture
The quantity of hangnail 9 is four, and the shape of four guard aperture hangnails 9 is arc, and the material of guard aperture hangnail 9 is angle steel, front-supporting type note
The slurry positive side of steel pipe 7 offers injected hole 10.
A kind of operating method of foundation pit front-supporting type slip casting steel pipe support structure comprising the steps of:
S1, construction foundation pit retaining design is established, if foundation pit system is SMW engineering method stake in step S1, it is necessary to first right
SMW engineering method stake is constructed；
S2, groove, smooth location are excavated；
S3, hole location is determined using steel ruler according to drawing requirement, with timber or drill rod as label or number, if hole location with
Engineering pile has conflict that should adjust hole location in time；
S4, the angle for adjusting pore-forming equipment at any time according to geological condition, drill aperture after in the problem make in time
Processing, the position of strict control pore-forming and angular deviation must check pore-forming after drilling in step S4, go out in device to hole
Existing part infiltration, collapse hole or making the problem of loosening the soil of falling timely handle and perform in pore forming process pore-forming record,
So as to the design parameter of time update anchor pole；
S5, front-supporting type slip casting steel pipe 7 is installed, transfers steel front-supporting type slip casting steel pipe 7 to pore-forming after installation
It is interior, it needs to remove the rare earth in pore-forming before decentralization；
S6, check whether front-supporting type slip casting steel pipe 7 has crack-free and blocking, whether interface is secured, and confirmation nothing is mistaken again
By the inside of cement slurry injection front-supporting type slip casting steel pipe 7；
After the completion of S7, slip casting, then fill up in front-supporting type slip casting steel pipe 7 20~40 grades with rubble, while using striaght cement
Slurry is filled, and interval filling is carried out；
S8, the top of front-supporting type slip casting steel pipe 7 is welded to upper steel plate, and is welded with 25 reinforcing bar of φ and and capping beam in interlude
Reinforcing bar inside 2 is combined into an effective entirety；
S9, last one of concrete load transfering strip 3 maintenance to design intensity when, after front-supporting type slip casting steel pipe 7 is cut off,
It first cuts packing material in 7 front-supporting type slip casting steel pipe 7 of front-supporting type slip casting steel pipe and cleans up, measures of preventing water is then set, seal
Hole uses slightly expanded concrete, and for strength grade of concrete with basement structure strength grade of concrete, water expandable waterstop is tight
Inner wall setting is pasted, and is fully welded steel plate for sealing water.
In conclusion the foundation pit front-supporting type slip casting steel pipe support structure, passes through reinforced bed 4,7 and of front-supporting type slip casting steel pipe
The cooperation of sealing piece 8, convenient for preferably making the big reduction of content of constructing, speed of application is very fast, to solve original supporter
The problem of being complex and causing dust pollution to environment when tearing support open, greatly improves shoveling efficiency and bed course bottom plate is applied
Work speed；By the cooperation of foundation pit enclosure 1 and backing plate 5, convenient for preferably making Underground Construction that can link up progress, save big
Measure cost, to solve the problems, such as that Construction of Supporting needs are periodically conserved and removed work, improve the efficiency of work into
And reduce the more duration, solve nowadays most foundation pit supporting system be fender post add in foundation pit to support, angle brace
The supporting form of form, this form small-scale pit is also possible that but for Large Foundation Pit waste it is larger, the construction period is longer
Slow with speed of application, so that the efficiency of construction is slower, while foundation pit supporting system is in the form of anchor cable by fender post to outside foundation pit,
But foundation pit external environment is often very complicated, such as pipeline is more, and accidentally drilling machine may encounter pipeline, can lead to when serious
The problem of safety accident.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of foundation pit front-supporting type slip casting steel pipe support structure, including foundation pit enclosure (1), it is characterised in that: the foundation pit enclosure
(1) top at the back side is fixedly connected with the front of capping beam (2), the side and concrete load transfering strip (3) of the foundation pit enclosure (1)
Side be fixedly connected, and the side of foundation pit enclosure (1) is fixedly connected with the side of reinforced bed (4), the concrete power transmission
The bottom of band (3) is fixedly connected with the side at the top of reinforced bed (4), the fixed peace in the other side of the concrete load transfering strip (3)
It is fixedly connected equipped with backing plate (5), and at the top of the bottom of backing plate (5) and reinforced bed (4), the side at the top of the backing plate (5)
It being fixedly installed with basement structure (6), the inner cavity of the capping beam (2) is fixedly connected with one end of front-supporting type slip casting steel pipe (7),
And the fixed company in front that the other end of front-supporting type slip casting steel pipe (7) passes through sealing piece (8) and backing plate (5) and basement structure (6)
It connects, is fixedly installed with guard aperture hangnail (9) at the top of the front-supporting type slip casting steel pipe (7), front-supporting type slip casting steel pipe (7) front
Side offer injected hole (10).
2. a kind of foundation pit front-supporting type slip casting steel pipe support structure according to claim 1, it is characterised in that: the front-supporting type
The bottom end of slip casting steel pipe (7) offers injected hole (10), and injected hole (10) is with quincuncial arrangement, the injected hole (10) it is straight
Diameter value is 6~8mm.
3. a kind of foundation pit front-supporting type slip casting steel pipe support structure according to claim 1, it is characterised in that: the guard aperture falls
The quantity for piercing (9) is four, and the shape of four guard aperture hangnails (9) is arc, and the material of the guard aperture hangnail (9) is angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252338.6U CN208748662U (en) | 2018-08-06 | 2018-08-06 | Foundation pit front-supporting type slip casting steel pipe support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252338.6U CN208748662U (en) | 2018-08-06 | 2018-08-06 | Foundation pit front-supporting type slip casting steel pipe support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208748662U true CN208748662U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821252338.6U Active CN208748662U (en) | 2018-08-06 | 2018-08-06 | Foundation pit front-supporting type slip casting steel pipe support structure |
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| CN (1) | CN208748662U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761166A (en) * | 2021-02-23 | 2021-05-07 | 广东科能工程管理有限公司 | Construction method for shallow foundation pit of combined support of piles and pre-grouting steel pipes based on SMW (soil mixing wall) construction method |
| CN113550323A (en) * | 2021-07-16 | 2021-10-26 | 五冶集团上海有限公司 | Fixing sleeve capable of recycling front support grouting steel pipe |
| CN113914323A (en) * | 2021-09-28 | 2022-01-11 | 中亿丰建设集团股份有限公司 | Steel pipe grouting type tree root pile construction method for advanced support |
| CN114737618A (en) * | 2022-03-18 | 2022-07-12 | 五冶集团上海有限公司 | Water-stopping construction method for front-support grouting steel pipe |
-
2018
- 2018-08-06 CN CN201821252338.6U patent/CN208748662U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761166A (en) * | 2021-02-23 | 2021-05-07 | 广东科能工程管理有限公司 | Construction method for shallow foundation pit of combined support of piles and pre-grouting steel pipes based on SMW (soil mixing wall) construction method |
| CN113550323A (en) * | 2021-07-16 | 2021-10-26 | 五冶集团上海有限公司 | Fixing sleeve capable of recycling front support grouting steel pipe |
| CN113914323A (en) * | 2021-09-28 | 2022-01-11 | 中亿丰建设集团股份有限公司 | Steel pipe grouting type tree root pile construction method for advanced support |
| CN114737618A (en) * | 2022-03-18 | 2022-07-12 | 五冶集团上海有限公司 | Water-stopping construction method for front-support grouting steel pipe |
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