CN212612502U - Waterproof retaining structure for foundation pit - Google Patents
Waterproof retaining structure for foundation pit Download PDFInfo
- Publication number
- CN212612502U CN212612502U CN202020586020.2U CN202020586020U CN212612502U CN 212612502 U CN212612502 U CN 212612502U CN 202020586020 U CN202020586020 U CN 202020586020U CN 212612502 U CN212612502 U CN 212612502U
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- Prior art keywords
- foundation pit
- strainer
- foundation ditch
- drain pipe
- foundation
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model belongs to the technical field of the technique of excavation supporting structure and specifically relates to a waterproof retaining structure of foundation ditch is related to, including foundation ditch and a plurality of drain pipes, a plurality of drain pipes set up on the foundation ditch, the foundation ditch surface is provided with encloses the backplate, it forms by polylith cell board concatenation in proper order to enclose the backplate, be provided with the fixed subassembly that is used for fixed institute cell board between two adjacent cell boards, a plurality of drain pipes set up on the foundation ditch, the one end that each drain pipe inserted in the foundation ditch can be dismantled and be connected with the strainer, the lateral wall circumference of strainer is provided with a plurality of drainage pores, be provided with the filter material in the strainer, be provided with the through-hole that supplies each drain pipe and strainer to pass on each cell board. It can effectively discharge the water that permeates in the foundation ditch, and then water-proof effects is better.
Description
Technical Field
The utility model belongs to the technical field of the technique of excavation supporting construction and specifically relates to a waterproof retaining structure of excavation.
Background
The foundation pit support is a supporting, blocking, reinforcing and protecting measure which is adopted for ensuring the safety of the construction of an underground structure and the surrounding environment of the foundation pit and for the side wall and the surrounding environment of the foundation pit. The foundation pit belongs to temporary engineering, and refers to a soil pit excavated at the designed position of a foundation according to the elevation of the foundation bottom and the plane size of the foundation, and the foundation pit has the function of providing a space so that the building operation of the foundation can be carried out according to the designed specified position.
In the foundation pit supporting structure in the prior art, a plurality of anchor rod holes are mostly formed in a foundation pit, a plurality of anchor rods are inserted into the corresponding anchor rod holes, the anchor rods are welded and fixed by anchor bar bundles, cement mortar is filled among the anchor rods, the anchor bar bundles and the anchor rod holes, so that the anchor rods, the anchor bar bundles and peripheral discrete rock masses or earth and stone can be firmly fixed together, and reinforcing mesh concrete is sprayed on the surface of the foundation pit to achieve the purpose of stabilizing the foundation pit.
The technical scheme has the following defects: in the weather of meeting strong wind and heavy rain, the inside water that oozes into of foundation ditch easily, this kind of structure is difficult to the effectual discharge of water in the foundation ditch of oozing into, meets water back foundation ditch and easily takes place the landslide phenomenon, and water-proof effects is relatively poor, can cause the foundation ditch to warp the possibility of collapsing even for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waterproof retaining structure of foundation ditch, it can effectively discharge the water in the infiltration foundation ditch, and then water-proof effects is better.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a waterproof retaining structure of foundation ditch, includes foundation ditch and a plurality of drain pipes, a plurality of the drain pipe set up in on the foundation ditch, the foundation ditch surface is provided with the apron board, the apron board is formed by polylith cell board concatenation in proper order, adjacent two be provided with the fixed subassembly that is used for fixed cell board between the cell board, a plurality of the drain pipe set up in on the foundation ditch, each the drain pipe inserts one end in the foundation ditch can be dismantled and be connected with the strainer, the strainer is kept away from one side closure of drain pipe the lateral wall circumference of strainer is provided with a plurality of strainer holes, be provided with the filter material in the strainer, each be provided with on the cell board and supply each the through-hole that drain pipe and strainer passed, the strainer runs through the through-hole in proper order with the.
By adopting the technical scheme, the enclosure plate is arranged on the surface of the foundation pit and is formed by splicing a plurality of unit plates and is fixed by the fixing component, so that the construction of workers is facilitated, the foundation pit can be supported, and the occurrence of landslide is reduced; add the drain pipe on the foundation ditch, strengthened the drainage ability in the foundation ditch, the hydroenergy that makes in the infiltration foundation ditch is in time discharged enough, and the strainer lateral wall is provided with a plurality of drainage pores, can filter the separation with earth in the foundation ditch in the strainer, and the water in the infiltration foundation ditch is through setting up behind the drainage pore, filters silt in the pipe, then arranges into the escape canal through the drain pipe in, makes the effective drainage of water in the infiltration foundation ditch earth, and then water-proof effects is better.
The utility model discloses further set up to: the filter material is the rubble, be provided with the nylon wire in the strainer the nylon wire wraps up the rubble.
Through adopting above-mentioned technical scheme, the setting up of rubble can play separation filtering action to silt, reinforcing strainer filter capacity utilizes the nylon wire to wrap up the rubble, makes the rubble be difficult for dropping to the drain pipe and block up the drain pipe from the strainer.
The utility model discloses further set up to: the outer side wall of the water filter pipe is wrapped with geotextile.
Through adopting above-mentioned technical scheme, geotechnological cloth has the impermeable function of soil of permeating water, makes the earth separation in the foundation ditch outside geotechnological cloth, reduces earth and gets into the drainage hole and make the drainage hole block up.
The utility model discloses further set up to: the fixing assembly comprises a plurality of anchor rods and a connecting plate, the anchor rods are arranged on the connecting plate, the anchor rods are arranged along the length direction of the connecting plate, and the anchor rods penetrate through the connecting plate and the unit plates and are anchored in the foundation pit.
Through adopting above-mentioned technical scheme, the stock is fixed the cell board on the foundation ditch surface, makes foundation ditch stability better, reduces the condition emergence of landslide.
The utility model discloses further set up to: the drain pipe is arranged from one end inserted into the foundation pit to one end close to the unit plate in a downward inclined mode.
Through adopting above-mentioned technical scheme, the drain pipe is the slope setting and has played the guide effect to water, is favorable to the drainage.
The utility model discloses further set up to: the one end that the stock inserted the foundation ditch is connected with point portion.
Through adopting above-mentioned technical scheme, the setting of point portion is convenient for the stock insert in the foundation ditch.
The utility model discloses further set up to: and an inserting strip and an inserting groove corresponding to the inserting strip are arranged between every two adjacent unit boards, and the inserting strip is in inserting fit with the inserting groove.
By adopting the technical scheme, the splicing of the two adjacent unit plates is facilitated by the splicing and matching of the inserting strips and the inserting grooves, so that the two adjacent unit plates are not easy to loosen and move in subsequent fixing operation, and the waterproof effect is enhanced.
The utility model discloses further set up to: and a water-stopping rubber gasket is arranged in each through hole, and the water-stopping rubber gasket is sleeved on the corresponding drain pipe.
Through adopting above-mentioned technical scheme, the leakproofness between through-hole and the drain pipe has been strengthened to setting up of stagnant water rubber pad, reduces to make from the gap outflow between through-hole and the drain pipe.
To sum up, the utility model discloses a beneficial technological effect does:
1. after water seeping into the foundation pit is arranged in the water filtering holes, silt is filtered in the water filtering pipe, and then the water is discharged into the drainage ditch through the drainage pipe, so that the water seeping into soil of the foundation pit is discharged, the waterproof effect is better, and the water and soil loss is reduced;
2. the anchor rods fix the unit plates on the surface of the foundation pit, so that the stability of the foundation pit is better, and landslide is reduced;
3. the splicing matching of the inserting strips and the inserting grooves is convenient for splicing two adjacent unit plates, so that the two adjacent unit plates are not easy to loosen and move in the subsequent fixing operation, and the waterproof effect is enhanced;
4. the sealing performance between through-hole and the drain pipe has been strengthened to the setting of stagnant water rubber pad, reduces to make and flows out from the gap between through-hole and the drain pipe.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure in an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the embodiment of the present invention after the water filter pipe is cut open.
In the figure, 1, a foundation pit; 2. a drainage ditch; 3. a unit plate; 4. a drain pipe; 5. cutting; 6. a slot; 7. a water-stopping rubber pad; 8. an anchor rod; 9. a nut; 10. a fixing plate; 11. riveting; 12. a connecting plate; 13. an elastic pad; 14. a tip portion; 15. a barb; 16. geotextile; 17. water filtering holes; 18. a water filter pipe; 19. a nylon mesh; 20. and (4) crushing the stones.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a waterproof retaining structure of foundation ditch, including foundation ditch 1 and a plurality of drain pipe 4, 1 surface mounting of foundation ditch has the apron board, and the apron board is formed by polylith cell board 3 concatenation in proper order, and each cell board 3 is waterproof concrete slab. A plurality of drain pipes 4 set up on foundation ditch 1, and a plurality of drain pipes 4 set up along the length direction of foundation ditch 1. In the present embodiment, each cell plate 3 corresponds to four drain pipes 4, and the four drain pipes 4 are uniformly distributed at four side corners of the cell plate 3. Be provided with between two adjacent cell boards 3 and insert 5 and the slot 6 that corresponds with insert 5, and insert 5 and slot 6 all set up along the length direction of cell board 3, and insert 5 and slot 6 are pegged graft and are cooperated, and then are convenient for two adjacent cell boards 3's location installation.
Referring to fig. 2 and 3, specifically, each cell plate 3 is provided with a fixing assembly for fixing the cell plate 3, and the fixing assembly includes a plurality of anchor rods 8 and a connecting plate 12. The connecting plates 12 are arranged along the length direction of the unit plates 3 and are located on one side surface of the unit plates 3 away from the foundation pit 1, and in the embodiment, the number of the anchor rods 8 in each group of fixing assemblies is three. Three stock 8 are along the length direction equidistance setting of connecting plate 12, and each stock 8 runs through connecting plate 12 and cell board 3 in proper order and anchors in foundation ditch 1. Each anchor 8 may be provided with an irregular elastic pad and a nut 9 so that the anchor 8 is fixed to the unit plate 3, and in addition, in order to facilitate the insertion of the anchor 8 into the foundation pit 1, one end of the anchor 8 inserted into the foundation pit 1 is provided with a tip portion 14 having a conical shape. Be provided with many barbs 15 that are the J-shaped on stock 8, many barbs 15 weld respectively in stock 8's both sides and along stock 8's length direction setting, and then strengthen stock 8's resistance to plucking ability.
Referring to fig. 2 and 3, simultaneously, one end of each drain pipe 4 inserted into the foundation pit 1 is detachably connected with a strainer 18, one side of the strainer 18 far away from the drain pipe 4 is closed, preferably, an inner thread is arranged on the circumference of the pipe orifice of the strainer 18, an outer thread is arranged on the circumference of the side wall of the drain pipe 4, and the strainer 18 is in threaded connection with the drain pipe 4. Through holes corresponding to the drain pipes 4 one to one are formed in each unit plate 3 and used for allowing the filter pipes 18 and the drain pipes 4 to penetrate through, and the filter pipes 18 and the drain pipes 4 sequentially penetrate through the through holes and are inserted into the foundation pit 1. In addition, strainer 18 and drain pipe 4 are all from the one end of inserting foundation ditch 1 towards the one end downward sloping setting that is close to the apron board for the drainage speed in strainer 18 and the drain pipe 4, and then the drainage of being convenient for.
Referring to fig. 4, further, a plurality of strainer holes 17 that are through setting up are seted up to the equal circumference of a lateral wall of each strainer 18 and an end face of keeping away from drain pipe 4, and then can carry out prefiltering with the muddy water in foundation ditch 1, make the silt separation outside strainer 18. In order to prevent silt from blocking the water filtering holes 17, the outer side wall of the water filtering pipe 18 is wrapped with geotextile 16. In order to prevent the geotextile 16 from falling off in the foundation pit 1, the geotextile 16 can be fixed on the outer side wall of the filter pipe 18 by iron wires which circumferentially surround the side wall of the filter pipe 18. Meanwhile, a filter material is further arranged in the strainer 18, preferably, the filter material is gravel 20, in order to prevent the gravel 20 from falling into the drain pipe 4 from the strainer 18 and blocking the drain pipe 4, a nylon net 19 is further arranged in the strainer 18, and the gravel 20 is wrapped by the nylon net 19. In addition, each through hole is internally provided with a sealing rubber gasket 7, and each sealing rubber gasket 7 is fixedly sleeved on the drain pipe 4, so that the sealing performance between the drain pipe 4 and the through hole is enhanced, and the condition that water seeping into the foundation pit 1 leaks from a gap between the through hole and the drain pipe 4 is reduced.
Referring to fig. 1, in addition, a plurality of fixing plates 10 are further paved at the top of the foundation pit 1, and the fixing plates 10 are fixed at the top of the foundation pit 1 through rivets 11, so that the landslide of the foundation pit 1 is reduced. Install escape canal 2 subaerially, escape canal 2 sets up along the length direction of foundation ditch 1, and then the hydroenergy in the foundation ditch 1 of being convenient for can in time be discharged away, reduces the condition emergence of ponding. Finally, after the anchor rod 8, the drain pipe 4 and the strainer 18 are inserted into the foundation pit 1 and fixed, a reinforcing mesh and concrete can be sequentially laid on the surface of one side of the enclosure plate, which is far away from the foundation pit 1, so that the stability of the foundation pit 1 is enhanced.
The implementation principle of the embodiment is as follows: the surface of the foundation pit 1 is provided with a surrounding protection plate, the surrounding protection plate is formed by splicing a plurality of unit plates 3, two adjacent unit plates 3 are preliminarily positioned in a mode of splicing and matching the inserting strips 5 and the inserting grooves 6, and the anchor rods 8 are inserted into the foundation pit 1 for fixing, so that a supporting effect can be achieved on the foundation pit 1, and the stability of the foundation pit 1 is enhanced; meanwhile, one end of the drain pipe 4 inserted into the foundation pit 1 is provided with the strainer 18, the strainer 18 and the drain pipe 4 are inserted into the foundation pit 1, water seeping into the foundation pit 1 is filtered through the strainer 18 and discharged from the drain pipe 4, and therefore the foundation pit 1 has a good waterproof effect, and landslide of the foundation pit 1 is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a waterproof envelope of foundation ditch, includes foundation ditch (1) and a plurality of drain pipe (4), its characterized in that: a plurality of drain pipes (4) are arranged on the foundation pit (1), the surface of the foundation pit (1) is provided with a surrounding protection plate, the enclosure plate is formed by sequentially splicing a plurality of unit plates (3), a fixing component for fixing the unit plates (3) is arranged between two adjacent unit plates (3), one end of each drain pipe (4) inserted into the foundation pit (1) is detachably connected with a strainer (18), one side of the strainer (18) far away from the drain pipe (4) is closed, a plurality of strainer holes (17) are arranged on the circumferential direction of the side wall of the strainer (18), filter materials are arranged in the filter pipes (18), through holes for the drain pipes (4) and the filter pipes (18) to pass through are arranged on the unit plates (3), the strainer (18) and the drain pipe (4) sequentially penetrate through the through hole and are inserted into the foundation pit (1).
2. The foundation pit waterproof building envelope of claim 1, characterized in that: the filter material is gravel (20), and a nylon net (19) is arranged in the strainer (18), and the gravel (20) is wrapped by the nylon net (19).
3. The foundation pit waterproof building envelope of claim 1, characterized in that: the outer side wall of the water filtering pipe (18) is wrapped with geotextile (16).
4. The foundation pit waterproof building envelope of claim 1, characterized in that: fixed subassembly includes many stock (8) and connecting plate (12), many stock (8) set up in on connecting plate (12), many stock (8) are followed the length direction of connecting plate (12) sets up, many stock (8) run through connecting plate (12) and cell board (3) and anchor in foundation ditch (1).
5. The foundation pit waterproof building envelope of claim 4, characterized in that: one end of the anchor rod (8) inserted into the foundation pit (1) is connected with a tip part (14).
6. The foundation pit waterproof building envelope of claim 1, characterized in that: the drain pipe (4) and the strainer (18) are arranged in a downward inclined mode from one end, inserted into the foundation pit (1), to one end, close to the unit plate (3).
7. The foundation pit waterproof building envelope of claim 1, characterized in that: and an inserting strip (5) and a slot (6) corresponding to the inserting strip (5) are arranged between every two adjacent unit boards (3), and the inserting strip (5) is in inserting fit with the slot (6).
8. The foundation pit waterproof building envelope of claim 1, characterized in that: a water-stopping rubber pad (7) is arranged in each through hole, and the water-stopping rubber pads (7) are sleeved on the corresponding drain pipes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586020.2U CN212612502U (en) | 2020-04-18 | 2020-04-18 | Waterproof retaining structure for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586020.2U CN212612502U (en) | 2020-04-18 | 2020-04-18 | Waterproof retaining structure for foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212612502U true CN212612502U (en) | 2021-02-26 |
Family
ID=74702303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020586020.2U Expired - Fee Related CN212612502U (en) | 2020-04-18 | 2020-04-18 | Waterproof retaining structure for foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212612502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960714A (en) * | 2022-06-28 | 2022-08-30 | 江西省城建集团有限公司 | Near-water-source foundation pit drainage seepage-proofing structure and construction method |
-
2020
- 2020-04-18 CN CN202020586020.2U patent/CN212612502U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960714A (en) * | 2022-06-28 | 2022-08-30 | 江西省城建集团有限公司 | Near-water-source foundation pit drainage seepage-proofing structure and construction method |
| CN114960714B (en) * | 2022-06-28 | 2024-01-05 | 江西省城建集团有限公司 | Near-water foundation pit drainage seepage-proofing structure and construction method |
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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 |
Granted publication date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |