CN211498870U - Deep foundation pit supporting structure - Google Patents

Deep foundation pit supporting structure Download PDF

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Publication number
CN211498870U
CN211498870U CN201922261655.5U CN201922261655U CN211498870U CN 211498870 U CN211498870 U CN 211498870U CN 201922261655 U CN201922261655 U CN 201922261655U CN 211498870 U CN211498870 U CN 211498870U
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CN
China
Prior art keywords
basal pit
deep basal
foundation pit
deep foundation
deep
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201922261655.5U
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Chinese (zh)
Inventor
蒲健
余利海
高登国
肖红志
高洁
吴宙楠
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Chongqing Tuo Da Construction Group Co ltd
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Chongqing Tuo Da Construction Group Co ltd
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Priority to CN201922261655.5U priority Critical patent/CN211498870U/en
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Abstract

The utility model discloses a deep basal pit supporting construction relates to the technical field of deep basal pit construction, aims at solving original deep basal pit supporting construction and has the drainage that lacks the deep basal pit lateral wall, leads to the problem that the deep basal pit lateral wall collapses easily, and its technical scheme's main points are: including supporting tightly in two of deep basal pit bottom and deep basal pit lateral wall setting respectively and supporting the tight board, every supports the surface that the tight board kept away from deep basal pit one side direction and all is provided with the supporting seat, be provided with the bracing piece between two supporting seats, it is provided with near the even interval in deep basal pit one side to support the tight board and inserts a plurality of anchor pipes of locating in soil, the pipe wall of every anchor pipe all is provided with a plurality of water inlet hole grooves, every anchor intraduct is provided with the water drainage tank of every water inlet hole groove of intercommunication, the one end that is close to the tight board in the water drainage tank is inserted and is equipped with the drain pipe, the drain. The utility model discloses possess and carry out the advantage of drainage to the deep basal pit lateral wall to realize the difficult effect of collapsing of deep basal pit lateral wall.

Description

Deep foundation pit supporting structure
Technical Field
The utility model relates to a technical field of deep basal pit construction, in particular to deep basal pit supporting construction.
Background
The deep foundation pit supporting structure is a supporting structure adopted for the side wall of the deep foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the deep foundation pit.
Chinese patent document with publication number CN206328765U discloses a deep basal pit drainage structure, including the deep basal pit outer wall, the inside of deep basal pit outer wall is provided with inner wall concrete waterproof layer, and the outside that the inside of deep basal pit outer wall is close to inner wall concrete waterproof layer is provided with the inside support steel pipe of deep basal pit, the inside support steel pipe of deep basal pit is provided with inside guiding gutter with the hookup location department of inner wall concrete waterproof layer, the inside below of deep basal pit outer wall is provided with deep basal pit bottom concrete waterproof foundation, and the inside that the below of deep basal pit outer wall is close to deep basal pit bottom concrete waterproof foundation is provided with beneath water storage chute, take out the ponding in the aqua storage tank through the drain pump and accomplish deep basal pit drainage, thereby reduce ponding and soak bottom the foundation ditch and influence supporting construction's support intensity.
Although the technical scheme of the deep foundation pit drainage structure solves the problem that water is easy to accumulate at the bottom of the deep foundation pit, the problem that water is drained only at the bottom of the deep foundation pit and the side wall of the deep foundation pit is not drained in the actual use process is solved, and the side wall of the deep foundation pit can bear the large lateral pressure from a high liquid level when the underground water level is higher than the bottom surface of the deep foundation pit, so that the side wall of the deep foundation pit is easy to collapse, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deep basal pit supporting construction possesses the advantage of carrying out the drainage to the deep basal pit lateral wall to realize the difficult effect of collapsing of deep basal pit lateral wall.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the deep foundation pit supporting structure comprises two abutting plates which abut against the bottom of a deep foundation pit and the side wall of the deep foundation pit respectively, a supporting seat is arranged on the surface of each abutting plate in the direction away from one side of the deep foundation pit, a supporting rod is arranged between the two supporting seats, a plurality of anchoring pipes inserted in soil are uniformly arranged on one side, close to the deep foundation pit, of each abutting plate at intervals, external threads are arranged on the outer side wall of the end part, close to the direction of the abutting plates, of each anchoring pipe, and the abutting plates are provided with threaded holes matched with the external threads; every the anchor pipe wall is provided with a plurality of inlet hole grooves, every the anchor inside is provided with the water drainage tank of every inlet hole groove of intercommunication, the one end that is close to the screw hole in the water drainage tank is inserted and is equipped with the drain pipe, the drain pipe is kept away from anchor pipe one end and is provided with the water pump.
By adopting the technical scheme, the plurality of anchoring pipes are in threaded connection with the two abutting plates, and the two abutting plates are supported by the supporting rods arranged on the supporting seat, so that a stable triangular support is formed between the two abutting plates and the supporting rods; the ponding of deep basal pit lateral wall gets into the drain pipe groove through the inlet hole groove of seting in every anchor pipe to and insert and locate drain pipe in the drain pipe groove, thereby start the ponding discharge of water pump with the deep basal pit lateral wall, possess the advantage of carrying out the drainage to the deep basal pit lateral wall, reduce the possibility that the deep basal pit lateral wall takes place to collapse.
Furthermore, every inlet hole groove all is provided with the filter screen that is used for hindering silt to pass through.
Through adopting above-mentioned technical scheme, set up the filter screen, when ponding flowed into inlet port groove, can effectively reduce the sediment volume of wrapping up in under the hand in the ponding, and then reduce the emergence of the condition that inlet port groove and water drainage tank were blocked up by silt.
Further, the filter screen is kept away from inlet hole groove notch one side fixed surface connection and is provided with the ejector pin, inlet hole groove notch one end and water drainage tank inside wall fixed connection are kept away from to the ejector pin.
Through adopting above-mentioned technical scheme, set up fixed connection in the ejector pin of filter screen and water drainage tank inside wall, because inside the anchor pipe gos deep into soil, when ponding flows through the filter screen, produce very strong pressure to the filter screen easily to lead to the emergence of filter screen breaking away from the condition, the ejector pin can effectively improve the support intensity of filter screen.
Furthermore, a limiting ring is arranged on the circumferential side wall of the drain pipe, and a limiting groove for the limiting ring to be installed is formed in the surface of one end, far away from the inner wall of the deep foundation pit, of the anchoring pipe.
Through adopting above-mentioned technical scheme, set up spacing ring and spacing groove, can control the length that the drain pipe stretched into in the water drainage tank effectively to can play the effect of fixed drain pipe.
Furthermore, the outer side wall of the limiting ring is sleeved with an annular sealing ring.
Through adopting above-mentioned technical scheme, set up ring type seal, because there is the clearance between drain pipe and the water drainage tank, have a small amount of ponding to flow out from the gap easily, ring type seal can effectually obstruct the outflow of ponding in the gap to reach sealed effect.
Furthermore, a magnetic part is arranged on the surface of one side, close to the limiting groove, of the limiting ring, and an adsorption part magnetically attracted with the magnetic part is arranged at the bottom of the limiting groove.
Through adopting above-mentioned technical scheme, set up magnetic part and absorption piece, utilize the principle that magnetic part and absorption piece opposite poles attract, closely be in the same place spacing ring and spacing groove laminating to reach the effect of further fixed drain pipe.
Furthermore, four vertex angles of the abutting plate are respectively provided with a fixing anchor rod, and the surface of the abutting plate is provided with an anchor hole for installing the fixing anchor rod.
Through adopting above-mentioned technical scheme, set up fixed stock and anchor eye, the fixed stock that is located four apex angles of the tight board that supports passes the anchor eye on the tight board that supports, will support the tight board and fix on the surface of deep basal pit, reach spacing purpose to and reach the effect that further firmly struts deep basal pit.
Further, the supporting seat includes bed plate and connecting block, the connecting block is the setting of U type, and two the bed plate symmetrical arrangement is in the both sides of connecting block, the tip fixed connection of bracing piece is in the inside wall of connecting block.
Through adopting above-mentioned technical scheme, the bracing piece will support to transmit connecting block and bed plate on the power of tight board for the structure of supporting seat is more stable, thereby effectively improves supporting construction's firm degree.
To sum up, the utility model discloses following beneficial effect has:
1. by arranging the anchoring pipes, the water inlet hole grooves and the drain pipe grooves, accumulated water on the side wall of the deep foundation pit enters the drain pipe grooves and the drain pipe through the water inlet hole grooves formed in each anchoring pipe, and the water pump is started to drain the accumulated water on the side wall of the deep foundation pit, so that the advantage of draining the side wall of the deep foundation pit is achieved, and the possibility of collapse of the side wall of the deep foundation pit is reduced;
2. the two abutting plates, the supporting seat and the supporting rod are arranged, and the two abutting plates are supported by the supporting rod arranged on the supporting seat, so that a stable triangular support is formed between the two abutting plates and the supporting rod;
3. through setting up filter screen and ejector pin, when ponding flowed into the inlet port groove, the sediment volume of wrapping up in the area of can effectively reducing ponding to the ejector pin reduces the emergence that the filter screen breaks away from the condition, effectively improves the support intensity of filter screen.
Drawings
Fig. 1 is an overall schematic view of a deep foundation pit supporting structure in this embodiment;
FIG. 2 is a schematic structural view of the anchoring pipe according to the present embodiment;
FIG. 3 is an exploded view of the present embodiment showing the connection between the drainage channel and the drainage pipe;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic structural diagram of the support base in this embodiment.
In the figure: 1. a propping plate; 2. a supporting seat; 3. a support bar; 4. anchoring the pipe; 5. a threaded hole; 6. a water inlet hole groove; 7. a water discharge tank; 8. a drain pipe; 9. a water pump; 10. a filter screen; 11. a top rod; 12. a limiting ring; 13. a limiting groove; 14. an annular seal ring; 15. a magnetic member; 16. an adsorbing member; 17. fixing an anchor rod; 18. an anchor eye; 19. a base plate; 20. and (4) connecting the blocks.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
The deep foundation pit supporting structure provided by the specific embodiment of the utility model, referring to fig. 1 and 5, comprises two abutting plates 1 fixedly connected to the bottom of the deep foundation pit and the side wall of the deep foundation pit respectively, and a supporting seat 2 is welded and fixed on the surface of each abutting plate 1 far away from one side direction of the deep foundation pit; the supporting seats 2 comprise base plates 19 and connecting blocks 20 integrally formed with the base plates 19, the connecting blocks 20 are arranged in a U shape, the two base plates 19 are symmetrically and integrally connected to two sides of the connecting blocks 20, supporting rods 3 are arranged between the two supporting seats 2, and two end parts of each supporting rod 3 are hinged to the inner side walls of the two connecting blocks 20 respectively; the bracing piece 3 will support and support on tight board 1's power transmits connecting block 20 and bed plate 19 for the structural stability of supporting seat 2 is higher, thereby effectively improves deep basal pit supporting construction's firm degree.
Referring to fig. 1 and 2, two anchoring pipes 4 inserted into the inner wall of the deep foundation pit are uniformly arranged on one side of the tightening plate 1 close to the direction of the deep foundation pit at intervals, the outer side wall of the end part of each anchoring pipe 4 close to the direction of the tightening plate 1 is provided with an external thread, the tightening plate 1 is provided with a threaded hole 5 matched with the external thread, and the anchoring pipes 4 can be stably connected with the tightening plate 1 through the external thread and the threaded hole 5; the pipe wall of each anchoring pipe 4 is provided with three water inlet hole grooves 6 along the length direction, each water inlet hole groove 6 is fixedly adhered with a metal filter screen 10 for blocking silt to pass through, the center of the surface of one side of the notch of the water inlet hole groove 6, far away from the metal filter screen 10, is welded with a top rod 11, and one end of the top rod 11, far away from the notch of the water inlet hole groove 6, is in threaded connection with the inner side wall of the drainage groove 7; a drainage groove 7 communicated with the three water inlet hole grooves 6 is formed in the anchoring pipe 4, a drainage pipe 8 is inserted into the end part of the drainage groove 7 close to the direction of the threaded hole 5, one end of the drainage pipe 8 is tightly matched with the drainage groove 7, and the other end of the drainage pipe 8 is connected with a water pump 9 through a pipeline; the ponding of deep basal pit lateral wall enters into inside inlet hole groove 6 through filter screen 10, then flows into water drainage tank 7, and the ponding pump drainage in 8 drain pipes to the deep basal pit outside through the water pump again to reach timely effectual ponding exhaust effect with in the deep basal pit lateral wall.
Referring to fig. 3, the four vertex angles of the tightening plate 1 are respectively inserted with the fixing anchor rods 17, one side surface of the tightening plate 1 away from the deep foundation pit is provided with the anchor holes 18 for installing the fixing anchor rods 17, the fixing anchor rods 17 are inserted in the anchor holes 18, and the end portions of the fixing anchor rods 17 away from the anchor holes 18 are inserted and fixed in the inner wall of the deep foundation pit, so that the effect of preliminarily fixing the tightening plate 1 on the inner wall of the deep foundation pit is achieved.
Referring to fig. 3 and 4, the outer side wall of the drain pipe 8 is fixedly connected with a limiting ring 12 in an adhesive manner, the outer side wall of the limiting ring 12 is fixedly connected with an annular sealing ring 14 in an adhesive manner, a limiting groove 13 for embedding the limiting ring 12 is formed in the surface of one end, away from the inner wall direction of the deep foundation pit, of the anchoring pipe 4, a magnetic part 15 is fixedly connected to the surface of one side, close to the direction of the limiting groove 13, of the limiting ring 12 in an adhesive manner, an adsorption part 16 which is magnetically attracted to the magnetic part 15 is fixedly connected to the bottom of the limiting groove 13 in an adhesive manner, the magnetic part 15 and the adsorption part 16 are specifically; on the other hand, the outflow of ponding in the screw hole 5 gap can be hindered effectively to ring packing 14 to reach the effect that improves water drainage tank 7 and support tight board 1 junction leakproofness, and then help the ponding pump in the water pump will water drainage tank 7 to pump out.
The working principle is as follows:
firstly, connecting and fixing one end, provided with an external thread, of an anchoring pipe 4 with a tightening plate 1 in a threaded connection mode, inserting the end part, far away from the tightening plate 1, of the anchoring pipe 4 into the inner wall of the deep foundation pit, and enabling the tightening plate 1 to be tightened on the inner wall of the deep foundation pit; then, inserting the fixed anchor rods 17 into the anchor holes 18 at the four top corners of the abutting plate 1, and inserting and fixing the end parts of the fixed anchor rods 17 far away from the abutting plate 1 on the inner wall of the deep foundation pit, thereby achieving the effect of further fixing the abutting plate 1; according to the same installation method, fixing the other abutting plate 1 on the bottom surface of the deep foundation pit, so that a stable triangular support is formed between the two abutting plates 1 and the support rod 3; then, the drain pipe 8 is inserted into the drain groove 7, and the limiting ring 12 and the annular sealing ring 14 on the outer side wall of the drain pipe 8 can be embedded in the limiting groove 13 on the anchoring pipe 4 through the mutual adsorption action between the magnetic part 15 on the drain pipe 8 and the adsorption part 16 in the limiting groove 13, so that the effect of improving the connection stability and the sealing performance of the drain pipe 8 is achieved.
Under the suction effect of water pump 9, the ponding of deep basal pit lateral wall enters into inside inlet hole groove 6 through filter screen 10, then flows into water drainage tank 7, and the deep basal pit is outside to 8 rows of rethread drain pipes to can discharge the ponding in the deep basal pit lateral wall, reduced the deep basal pit lateral wall because of the ponding pressure too big possibility that takes place to collapse.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. Deep basal pit supporting construction including supporting tightly in deep basal pit bottom and deep basal pit lateral wall two respectively and supporting tight board (1), every support tight board (1) and keep away from the surface of deep basal pit one side direction and all be provided with supporting seat (2), two be provided with bracing piece (3), its characterized in that between supporting seat (2): a plurality of anchoring pipes (4) inserted into the inner wall of the deep foundation pit are uniformly arranged on one side, close to the deep foundation pit, of the abutting plate (1) at intervals, external threads are arranged on the outer side wall of the end part, close to the abutting plate (1), of each anchoring pipe (4), and threaded holes (5) matched with the external threads are formed in the abutting plate (1); every anchor pipe (4) pipe wall is provided with a plurality of inlet hole grooves (6), every anchor pipe (4) inside is provided with water drainage tank (7) of intercommunication every inlet hole groove (6), the one end that is close to the screw hole in water drainage tank (7) is inserted and is equipped with drain pipe (8), anchor pipe (4) one end is kept away from in drain pipe (8) is provided with water pump (9).
2. The deep foundation pit supporting structure according to claim 1, wherein: every inlet hole groove (6) all are provided with filter screen (10) that are used for hindering silt to pass through.
3. The deep foundation pit supporting structure according to claim 2, wherein: filter screen (10) are kept away from inlet tank (6) notch one side fixed surface and are connected and are provided with ejector pin (11), inlet tank (6) notch one end and water drainage tank (7) inside wall fixed connection are kept away from in ejector pin (11).
4. The deep foundation pit supporting structure according to claim 1, wherein: and a limiting ring (12) is arranged on the circumferential side wall of the drain pipe (8), and a limiting groove (13) for the limiting ring (12) to be installed is formed in the surface of one end, far away from the inner wall direction of the deep foundation pit, of the anchoring pipe (4).
5. The deep foundation pit supporting structure according to claim 4, wherein: the outer side wall of the limiting ring (12) is sleeved with an annular sealing ring (14).
6. The deep foundation pit supporting structure according to claim 4, wherein: the limiting ring (12) is provided with a magnetic part (15) on the surface of one side close to the limiting groove (13), and an adsorption part (16) magnetically attracted with the magnetic part (15) is arranged at the bottom of the limiting groove (13).
7. The deep foundation pit supporting structure according to claim 1, wherein: four vertex angles of the abutting plate (1) are respectively provided with a fixing anchor rod (17), and the surface of the abutting plate (1) is provided with an anchor hole (18) for installing the fixing anchor rod (17).
8. The deep foundation pit supporting structure according to claim 1, wherein: the supporting seat (2) comprises a base plate (19) and a connecting block (20), the connecting block (20) is U-shaped, and two the base plate (19) is symmetrically arranged on two sides of the connecting block (20), and the end part of the supporting rod (3) is fixedly connected to the inner side wall of the connecting block (20).
CN201922261655.5U 2019-12-16 2019-12-16 Deep foundation pit supporting structure Expired - Fee Related CN211498870U (en)

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Application Number Priority Date Filing Date Title
CN201922261655.5U CN211498870U (en) 2019-12-16 2019-12-16 Deep foundation pit supporting structure

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Application Number Priority Date Filing Date Title
CN201922261655.5U CN211498870U (en) 2019-12-16 2019-12-16 Deep foundation pit supporting structure

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112267474A (en) * 2020-11-06 2021-01-26 东莞市建安桩基础工程有限公司 Foundation pit supporting structure and construction method thereof
CN113047303A (en) * 2021-03-26 2021-06-29 浩祥(福建)建设有限公司 Foundation pit supporting structure and construction method thereof
CN113279413A (en) * 2021-06-25 2021-08-20 杭州君辉建设有限公司 Deep foundation pit supporting system
CN113882389A (en) * 2021-09-03 2022-01-04 武汉中科岩土工程有限责任公司 Deep foundation pit supporting structure and construction method thereof
CN114016522A (en) * 2021-09-30 2022-02-08 中化明达(福建)地质勘测有限公司 Geotechnical engineering side slope reinforced structure
CN114086580A (en) * 2021-12-24 2022-02-25 中交一航局第三工程有限公司 Deep foundation pit drainage structure and use method
CN114232661A (en) * 2021-10-23 2022-03-25 韶关市第一建筑工程有限公司 Deep foundation pit concentrated water drainage system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112267474A (en) * 2020-11-06 2021-01-26 东莞市建安桩基础工程有限公司 Foundation pit supporting structure and construction method thereof
CN113047303A (en) * 2021-03-26 2021-06-29 浩祥(福建)建设有限公司 Foundation pit supporting structure and construction method thereof
CN113279413A (en) * 2021-06-25 2021-08-20 杭州君辉建设有限公司 Deep foundation pit supporting system
CN113882389A (en) * 2021-09-03 2022-01-04 武汉中科岩土工程有限责任公司 Deep foundation pit supporting structure and construction method thereof
CN114016522A (en) * 2021-09-30 2022-02-08 中化明达(福建)地质勘测有限公司 Geotechnical engineering side slope reinforced structure
CN114016522B (en) * 2021-09-30 2022-12-20 中化明达(福建)地质勘测有限公司 Geotechnical engineering side slope reinforced structure
CN114232661A (en) * 2021-10-23 2022-03-25 韶关市第一建筑工程有限公司 Deep foundation pit concentrated water drainage system
CN114232661B (en) * 2021-10-23 2022-08-30 韶关市第一建筑工程有限公司 Deep foundation pit concentrated water drainage system
CN114086580A (en) * 2021-12-24 2022-02-25 中交一航局第三工程有限公司 Deep foundation pit drainage structure and use method

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Granted publication date: 20200915