CN215165661U - Modular piping lane underground structure - Google Patents
Modular piping lane underground structure Download PDFInfo
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- CN215165661U CN215165661U CN202120975891.8U CN202120975891U CN215165661U CN 215165661 U CN215165661 U CN 215165661U CN 202120975891 U CN202120975891 U CN 202120975891U CN 215165661 U CN215165661 U CN 215165661U
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- Prior art keywords
- steel
- pipe pile
- pile
- plate
- foundation pit
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 101
- 239000010959 steel Substances 0.000 claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a geotechnical engineering technical field especially relates to a modular piping lane underground structure, including the steel sheet pile that is used for the foundation ditch stagnant water and the H shaped steel that is used for foundation ditch retaining soil, still include an at least steel-pipe pile, be formed with a block space between arbitrary two adjacent H shaped steel, steel-pipe pile or steel sheet pile are located in the block space and are connected with two H shaped steel blocks that correspond respectively along the length direction of H shaped steel, are formed with cavity and one end opening in the steel-pipe pile, set up the limbers that is linked together with the cavity on the outer wall of open end is kept away from to the steel-pipe pile. The problem of traditional supporting construction have the rigidity relatively poor, the deformation is great when using, easily causes the incident, and does not possess functions such as direct reduction foundation ditch water level, deviational survey is solved. This combination formula piping lane underground structure is succinct, and the practicality is strong, and construction combination flexibility is high, and the function is various, can guarantee the firm of foundation ditch, can integrate multiple supplementary and monitoring function again.
Description
Technical Field
The utility model relates to a excavation supporting technical field especially relates to a modular piping lane underground structure.
Background
Along with the rapid development of urban construction in China, more and more foundation pit projects are provided, and particularly, the municipal pipe gallery foundation pit projects which are popular in recent years are limited in excavation depth, large in length and narrow in construction site, so that the method is suitable for rapid construction by adopting steel sheet pile support.
However, the existing steel sheet pile supporting system has poor rigidity, is large in deformation when in use, is easy to cause safety accidents, needs to additionally increase the work of precipitation, water level observation, inclination measurement and the like, and has certain defects in safety and economy.
SUMMERY OF THE UTILITY MODEL
In view of this, a need exists for a combined pipe gallery foundation pit supporting structure, which is used for solving the problems that the traditional supporting structure has poor rigidity, large deformation during use, easy occurrence of safety accidents and no function of reducing the water level of the foundation pit.
The utility model provides a modular piping lane underground structure, including the steel sheet pile that is used for the foundation ditch stagnant water and the H shaped steel that is used for the foundation ditch to keep off soil, still include an at least steel-pipe pile, arbitrary adjacent two be formed with a block space between the H shaped steel, steel-pipe pile or steel sheet pile are followed the length direction of H shaped steel is located just be connected with two H shaped steel blocks that correspond respectively in the block space, be formed with cavity and one end opening in the steel-pipe pile, set up the limbers that is linked together with the cavity on the outer wall of open end is kept away from to the steel-pipe pile.
Further, the H-shaped steel comprises an inner end plate and an outer end plate which are distributed in parallel, and a connecting plate connected between the inner end plate and the outer end plate, hook plates are arranged on two opposite sides of the outer end plate along the length direction, and the steel sheet pile or the steel pipe pile is clamped between two adjacent H-shaped steel through the two hook plates.
Further, the hook plate is wholly L-shaped, the hook plate comprises a vertical plate and a transverse plate fixedly connected with the vertical plate, and a boss is integrally formed on the inner side of the transverse plate.
Further, the whole U-shaped that is of steel sheet pile, the steel sheet pile includes the bottom plate and sets firmly the baffle in the relative both sides of bottom plate, an extension section has on the baffle, the shaping has the first limiting plate that blocks with the boss correspondence on the extension section.
Furthermore, two supporting plates are symmetrically arranged on the outer wall of the steel pipe pile along the length direction, and second limiting plates which correspond to the bosses and are blocked are formed on the supporting plates.
Preferably, one end of the steel pipe pile, which is far away from the opening, has a taper.
Preferably, two sliding chutes which are symmetrically distributed are arranged in the cavity of the steel pipe pile along the length direction.
Preferably, a protective filter screen is arranged on the inner wall of the steel pipe pile at a position corresponding to the water through hole.
The utility model has the advantages that: the steel pipe pile is arranged in the clamping space along the length direction of the H-shaped steel and is respectively connected with the two corresponding H-shaped steels in a clamping way, a cavity is formed in the steel pipe pile, one end of the steel pipe pile is opened, and a water through hole communicated with the cavity is formed in the outer wall of the steel pipe pile, which is far away from the opened end; underground water enters the steel pipe pile through a water through hole of the steel pipe pile, and a water level measuring instrument can be placed into the steel pipe pile to measure the water level of the foundation pit; when foundation pit dewatering is needed, the water is extended into the steel pipe pile through a water pumping device to pump water; when foundation pit reinjection water is needed, reinjection water can be carried out by extending corresponding equipment into the steel pipe pile; meanwhile, when the local deformation of the foundation pit is large, concrete, reinforced concrete or steel reinforced concrete can be poured into the steel pipe pile in an emergency manner so as to temporarily increase the rigidity of the steel pipe pile, prevent the deformation of the foundation pit from being further expanded and play a role in emergency rescue; the steel pipe piles can be flexibly arranged according to the actual conditions of the foundation pit construction site, so that the flexibility of foundation pit engineering construction is greatly improved, and the safety and the economical efficiency of foundation pit engineering are improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a partial structural schematic view of a combined pipe gallery foundation pit supporting structure of the utility model;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is an enlarged schematic view of B in FIG. 1;
FIG. 4 is a sectional view of the steel pipe pile of the present invention;
figure 5 is the utility model relates to a modular piping lane underground structure in service behavior reference map.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
In fig. 5, the area indicated by the arrow C is the soil on the inner side of the foundation pit, and the area indicated by the arrow D is the soil on the outer side of the foundation pit.
As shown in fig. 1-5, a modular piping lane foundation pit supporting structure, including steel sheet pile 1 that is used for the foundation ditch stagnant water and the H shaped steel 2 that is used for the foundation ditch soil-retaining, still include at least one steel-pipe pile 3, be formed with a block space 4 between two arbitrary adjacent H shaped steel 2, steel-pipe pile 1 or steel sheet pile 3 locate in block space 4 along the length direction of H shaped steel 2 and respectively with two H shaped steel 2 block connections that correspond, be formed with cavity 31 and one end opening in the steel-pipe pile 3, set up the limbers 32 that are linked together with cavity 31 on the outer wall of steel-pipe pile 3 keeping away from the open end.
In the present embodiment, the H-shaped steel 2 includes an inner end plate 21 and an outer end plate 22 that are distributed in parallel, and a connecting plate 23 connected between the inner end plate 21 and the outer end plate 22, hook plates 24 are provided on two opposite sides of the outer end plate 22 along the length direction, and the steel sheet pile 1 or the steel pipe pile 3 is clamped between two adjacent H-shaped steel 2 via the two hook plates 24; the hook plate 24 is L-shaped as a whole, the hook plate 24 comprises a vertical plate 241 and a transverse plate 242 fixedly connected with the vertical plate 241, and a boss 243 is integrally formed on the inner side of the transverse plate 242; the steel sheet pile 1 is integrally U-shaped, the steel sheet pile 1 comprises a bottom plate 11 and baffle plates 12 fixedly arranged on two opposite sides of the bottom plate 11, an extension section 121 is arranged on each baffle plate 12, and a first limiting plate 122 blocked correspondingly to the boss 243 is formed on each extension section 121; the steel sheet pile 1 is integrally U-shaped, the steel sheet pile 1 comprises a bottom plate 11 and baffle plates 12 fixedly arranged on two opposite sides of the bottom plate 11, an extension section 121 is arranged on each baffle plate 12, and a first limiting plate 122 blocked correspondingly to the boss 243 is formed on each extension section 121; two support plates 33 are symmetrically arranged on the outer wall of the steel pipe pile 3 along the length direction, and second limit plates 331 blocked correspondingly to the bosses 243 are formed on the support plates 33. The steel pipe pile 3 can play a comprehensive role in soil squeezing, water level observation, precipitation, recharge water, deep horizontal displacement deformation observation, temporary emergency treatment and reinforcement and the like.
Specifically, the steel sheet pile 1 is connected with two adjacent H-shaped steel 2 in a clamping manner, so that the overall strength of the steel sheet pile 1 is improved, and the defects that a plurality of steel sheet piles 1 are connected end to end in the traditional method, and the spliced supporting structure is low in strength and large in flexible deformation are overcome.
In order to facilitate the rapid penetration of one end of the steel pipe pile 3, specifically, one end of the steel pipe pile 3 away from the opening has a taper 34. The resistance of the steel pipe pile 3 during the soil penetration can be reduced by setting the taper 34. Meanwhile, the abrasion degree of the steel pipe pile 3 is reduced, and the service life of the steel pipe pile 3 is prolonged.
In order to facilitate observation of horizontal displacement deformation of the deep layer of the foundation pit, two sliding chutes 35 are arranged in the cavity 31 of the steel pipe pile 3 and symmetrically distributed along the length direction. The steel pipe pile 3 can be used as an inclination measuring hole, the two sliding grooves 35 can pass through pulleys of an inclinometer, and horizontal displacement deformation in the deep part of the foundation pit is monitored by the vertical sliding of the inclinometer, wherein the connecting line of the two sliding grooves 35 is vertical to the long axis direction of the foundation pit and points into the pit.
In a specific embodiment, a protective filter screen 36 is arranged on the inner wall of the steel pipe pile 3 at a position corresponding to the water through hole 32. The outer wall of the steel pipe pile 3, which is far away from the opening end, is provided with a water through hole 32 communicated with the cavity 31, so that the steel pipe pile can be used as a groundwater seepage channel, a pumping well can conveniently carry out foundation pit dewatering operation, and meanwhile, the steel pipe pile can be used as an underground water level observation well and can be used as a groundwater recharging pipeline at necessary time.
The working principle is as follows:
the method comprises the following steps: and (3) all the unit components reach a construction site, namely a steel plate pile 1, an H-shaped steel 2 and a steel pipe pile 3.
Step two: and (3) driving the H-shaped steel 2 into a soil layer, namely driving the H-shaped steel 2 into the periphery of the foundation pit through a piling machine.
Step three: and (3) constructing the steel sheet pile 1, namely driving the steel sheet pile 1 into a foundation pit soil layer through a piling machine and reliably clamping and connecting the steel sheet pile 1 with the hook plates 24 on the outer end plates of the two H-shaped steels.
Step four: and (3) constructing the steel pipe pile (3), namely driving the steel pipe pile (3) into a foundation pit soil layer through a piling machine, and reliably clamping and connecting the two support plates (33) on the steel pipe pile (3) with the hook plates (24) on the outer end plates of the two H-shaped steel (2).
Step five: and (4) sequentially driving all the unit assemblies into a soil layer according to design requirements through construction machinery, and reliably connecting all the units to complete the support before excavation of the foundation pit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art can be included in the technical scope of the present invention.
Claims (8)
1. The utility model provides a modular piping lane underground structure, is including the steel sheet pile that is used for foundation ditch stagnant water and the H shaped steel that is used for foundation ditch retaining soil, its characterized in that still includes an at least steel-pipe pile, arbitrary adjacent two be formed with a block space between the H shaped steel, steel-pipe pile or steel sheet pile are followed the length direction of H shaped steel is located in the block space and be connected with two H shaped steel blocks that correspond respectively, be formed with cavity and one end opening in the steel-pipe pile, set up the limbers that are linked together with the cavity on the outer wall that the open end was kept away from to the steel-pipe pile.
2. The combined type pipe gallery foundation pit supporting structure as claimed in claim 1, wherein the H-shaped steel comprises an inner end plate and an outer end plate which are distributed in parallel, and a connecting plate connected between the inner end plate and the outer end plate, hook plates are arranged on two opposite sides of the outer end plate along the length direction, and the steel sheet piles or the steel pipe piles are arranged between two adjacent H-shaped steel in a clamping mode through the two hook plates.
3. The combined pipe gallery foundation pit supporting structure of claim 2, wherein the hook plate is L-shaped, the hook plate comprises a vertical plate and a transverse plate fixedly connected with the vertical plate, and a boss is integrally formed on the inner side of the transverse plate.
4. The combined pipe gallery foundation pit supporting structure of claim 3, wherein the steel sheet pile is integrally U-shaped, the steel sheet pile comprises a bottom plate and baffle plates fixedly arranged on two opposite sides of the bottom plate, the baffle plates are provided with extension sections, and first limiting plates which are blocked correspondingly to the bosses are formed on the extension sections.
5. The combined pipe gallery foundation pit supporting structure of claim 4, wherein two supporting plates are symmetrically arranged on the outer wall of the steel pipe pile along the length direction, and second limiting plates which correspond to the bosses and block the outer wall of the steel pipe pile are formed on the supporting plates.
6. The modular piping lane foundation pit supporting structure of claim 1, wherein the end of the steel pipe pile away from the opening has a taper.
7. The combined pipe gallery foundation pit supporting structure of claim 1, wherein two sliding chutes which are symmetrically distributed are arranged in the cavity of the steel pipe pile along the length direction.
8. The combined pipe gallery foundation pit supporting structure of claim 1, wherein a protective filter screen is arranged on the inner wall of the steel pipe pile at a position corresponding to the water through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975891.8U CN215165661U (en) | 2021-05-07 | 2021-05-07 | Modular piping lane underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975891.8U CN215165661U (en) | 2021-05-07 | 2021-05-07 | Modular piping lane underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215165661U true CN215165661U (en) | 2021-12-14 |
Family
ID=79367474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120975891.8U Expired - Fee Related CN215165661U (en) | 2021-05-07 | 2021-05-07 | Modular piping lane underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215165661U (en) |
-
2021
- 2021-05-07 CN CN202120975891.8U patent/CN215165661U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |