CN210315604U - Foundation ditch slope drainage structure - Google Patents
Foundation ditch slope drainage structure Download PDFInfo
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- CN210315604U CN210315604U CN201921102966.0U CN201921102966U CN210315604U CN 210315604 U CN210315604 U CN 210315604U CN 201921102966 U CN201921102966 U CN 201921102966U CN 210315604 U CN210315604 U CN 210315604U
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Abstract
The utility model provides a foundation ditch side slope drainage structure, including the side slope soil body and sump pit, still include the water seepage layer, anti-skidding back up coat, anchor assembly, the surface cushion layer, the sump pit, permeate water pipe and suction pump, the water seepage layer lays on the surface of the side slope soil body, anti-skidding back up coat is pressed at the upside surface of water seepage layer and the dorsal part equipartition of anti-skidding back up coat has anchor assembly, the one end of anchor assembly and anti-skidding back up coat's downside fixed connection, anchor assembly's the other end passes the water seepage layer and buries into the side slope soil body, the surface cushion layer is laid on the surface of anti-skidding back up coat and is wrapped up anti-skidding back up coat, the water seepage layer extends to the sump pit downwards in the position of sump pit, permeate water layer outer covering permeate water. The utility model discloses a brand-new side slope drainage structure selects directly to adsorb unnecessary moisture at slope protection soil body surface tiling permeable layer, and the unnecessary moisture of downward drainage makes the direct drainage of moisture content target in place to take out through the suction pump, guarantees the construction safety of foundation ditch.
Description
Technical Field
The utility model belongs to foundation ditch drainage field, especially a drainage structures at foundation ditch side slope.
Background
At present, when the slope retaining wall is reinforced by the slope protection pile anchor cables, the situation that underground water in a foundation pit is too much, the slope and the slope protection pile wall continuously seep water, and the coiled material can not be paved and pasted after the waterproof guide wall is built and constructed is completed. The reason for this water seepage is mainly due to two combined situations: when the anchor rod penetrates through the triaxial cement-soil mixing pile, the waterproof curtain fails, and the slope protection pile wall seeps water and flows out of the anchor rod guide pipe and flows downwards along the pile wall. Secondly, the precipitation well local work that sets up outside the foundation ditch is unusual, does not in time carry out the drainage in the hole, dredges well work in the hole and is unusual, leads to the sump pit to put the slope after the waterline appears in the pit wall, and water is down-flow along the soil wall, and the foundation ditch degree of depth does not reach the confined water layer and buries deeply this moment, and catchments in the pit are interlayer water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foundation ditch side slope drainage structure, it is too much to solve the groundwater in current side slope dado existence foundation ditch, and side slope and slope protection stake wall constantly seep water, and waterproof wall builds by laying bricks or stones and accomplishes the technical problem that the wall constantly seeps water and can't carry out the coiled material and spread and paste.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a foundation pit slope drainage structure comprises a slope soil body, a water accumulation pit on one side of the slope, a drainage composite layer extending from the ground of the foundation pit downwards to the edge of the water accumulation pit through the surface of the slope soil body, wherein the drainage composite layer comprises a water seepage layer on the bottom layer, an anti-skidding reinforcing layer on the middle layer, anchoring pieces, a surface cushion layer on the upper layer, a water collecting well, a water permeable pipe and a water suction pump which are arranged in the water accumulation pit on one side of the slope,
the water seepage layer is laid on the surface of the side slope soil body,
the anti-skid reinforcing layer is pressed on the upper side surface of the water seepage layer, anchoring pieces are uniformly distributed on the back side of the anti-skid reinforcing layer,
one end of the anchoring piece is fixedly connected with the lower side of the antiskid reinforcing layer, the other end of the anchoring piece penetrates through the water seepage layer and is embedded into the slope soil body,
the surface cushion layer is laid on the surface of the anti-skid reinforcing layer and wraps the anti-skid reinforcing layer,
a group of water collecting wells are arranged in the water collecting pit at intervals along the width direction of the side slope, a water permeable pipe is arranged in each water collecting well, a water suction pump is arranged in each water permeable pipe,
the permeable layer extends downwards to the water collecting well at the position of the water collecting well, and the permeable pipe is coated outside the permeable layer at the top of the inner wall and is fixedly connected with the permeable pipe through a connecting piece.
The water seepage layer is a geotextile layer.
The anti-skidding reinforcing layer is a steel wire mesh layer.
The anchoring part is a steel bar T-shaped part and comprises a cross rod and a vertical rod, the cross rod is clamped on the upper side of the steel wire mesh layer, the cross rod is connected with the steel wire mesh layer in a welding mode, and the vertical rod is embedded into a side slope soil body.
And the welding positions of the cross rods and the steel wire mesh layer are positioned on the lower sides of the cross points of the transverse and longitudinal grids of the steel wire mesh layer.
The horizontal and vertical arrangement intervals of the anchoring parts are not more than 2 times of the length of the horizontal and vertical grids.
The connecting piece is a steel wire.
The surface cushion layer is made of beat-plastered fine stone concrete.
The distance between the drainage composite layer and the bottom edge of the side slope, namely the distance between the water accumulation pit and the bottom edge of the side slope, is 200mm-400mm, and the coverage width of the drainage composite layer on the ground of the foundation pit is not less than 300 mm.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses a brand-new side slope drainage structure, when slope protection pile wall infiltration flows out from the stock honeycomb duct and in the same direction as the pile wall is downflow, select directly to adsorb unnecessary moisture at slope protection soil body surface tiling infiltration layer, the unnecessary moisture of downward drainage, the bottom on infiltration layer needs to be fixed with the top of the pipe of permeating water, makes the direct drainage of moisture content target in place take out through the suction pump. And then fixing an anti-skid reinforcing layer on the surface of the water seepage layer to ensure that the position of the water seepage layer does not deviate. The antiskid reinforcing layer is laminated on the surface of the water seepage layer and is anchored into the slope protection soil body through the anchoring piece. The surface adopts the pea gravel concrete to consolidate the wire net, strengthens the function of bank protection on the one hand, and on the other hand guarantees that the drainage structure does not receive external influence.
The utility model discloses can in time drainage to ponding in the hole, guarantee the construction safety of foundation ditch.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a side view schematic of the structure of fig. 1.
Reference numerals: 1-water accumulation pit, 2-side slope soil body, 3-water seepage layer, 4-anti-skid reinforcing layer, 5-anchoring piece, 51-cross bar, 52-vertical bar, 6-surface cushion layer, 7-water collecting well, 8-water seepage pipe, 9-water pump, 10-connecting piece and 11-foundation pit ground.
Detailed Description
Referring to fig. 1-3, the foundation pit side slope drainage structure comprises a side slope soil body 2 and a water accumulation pit 1 on one side of the side slope, and further comprises a drainage composite layer extending from the ground 11 of the foundation pit downwards through the surface of the side slope soil body 2 to the edge of the water accumulation pit 1, wherein the drainage composite layer comprises a bottom water seepage layer 3, a middle anti-skid reinforcing layer 4, anchoring pieces 5 and an upper surface cushion layer 6, and further comprises a water collecting well 7, a water permeable pipe 8 and a water suction pump 9 which are arranged in the water accumulation pit 1.
The water seepage layer 3 is laid on the surface of the side slope soil body 2.
The anti-skid reinforcing layer 4 is pressed on the upper side surface of the water seepage layer 3, anchoring pieces 5 are uniformly distributed on the back side of the anti-skid reinforcing layer 4,
one end of the anchoring piece 5 is fixedly connected with the lower side of the anti-skid reinforcing layer 4, and the other end of the anchoring piece 5 penetrates through the water seepage layer 3 and is buried in the side slope soil body 2.
The surface cushion layer 6 is laid on the surface of the anti-skid reinforcing layer 4 and wraps the anti-skid reinforcing layer 4.
A set of water collecting wells 7 are arranged in the water collecting pit 1 at intervals along the width direction of the side slope, water permeable pipes 8 are placed in each water collecting well 7, and water suction pumps 9 are placed in each water permeable pipe 8.
The permeable layer 3 extends downwards to the water collecting well 7 at the position of the water collecting well 7, and the permeable pipe 8 is wrapped on the permeable layer 3, and is fixedly connected with the permeable pipe 8 through a connecting piece 10.
And the water seepage layer 3 is a geotextile layer.
The anti-skid reinforcing layer 4 is a steel wire mesh layer.
The anchoring part 5 is a steel bar T-shaped part and comprises a cross rod 51 and a vertical rod 52, the cross rod 51 is clamped on the upper side of the steel wire mesh layer, the cross rod 51 is connected with the steel wire mesh layer in a welding mode, and the vertical rod 52 is buried in the side slope soil body 2.
The welding positions of the cross rods 51 and the steel wire mesh layer are positioned on the lower side of the cross points of the transverse and longitudinal grids of the steel wire mesh layer.
The horizontal and vertical arrangement intervals of the anchoring parts 5 are not more than 2 times of the length of the horizontal and vertical grids.
The connecting member 10 is a steel wire.
The surface cushion layer 6 is formed by beating and plastering fine stone concrete.
The distance between the drainage composite layer and the bottom edge of the side slope, namely the distance a between the ponding pit and the bottom edge of the side slope, is 200-400 mm, and the covering width b of the drainage composite layer on the ground of the foundation pit is not less than 300 mm.
In the embodiment, the anchoring piece is made of A6 steel bars, and the size of the water collecting well is that the length is multiplied by the width and multiplied by the depth = c multiplied by d multiplied by e =500 mm multiplied by 800 mm.
During specific construction, firstly, a water accumulation pit is dug, then a water collecting well is dug in the water accumulation pit, and a permeable pipe is placed in the water collecting well. And then, the geotextile is tiled on a side slope soil body, the upper end and the lower end of the geotextile are noticed to extend, the upper end of the geotextile extends to the bottom surface of the foundation pit, the lower end of the geotextile extends to the edge of the ponding pit to cover the top of the pervious pipe in the catchment well, and then the pervious pipe and the geotextile are fixedly connected by adopting steel wire binding.
And then welding the anchoring part on a steel wire mesh sheet, flatly paving the steel wire mesh sheet on the surface of the geotextile, and anchoring the anchoring part into the slope soil body. And finally, patting and smearing fine stone concrete on the surface of the steel wire mesh sheet to finish construction.
Claims (9)
1. The utility model provides a foundation ditch side slope drainage structure, includes side slope soil body (2) and ponding hole (1) in side slope one side, its characterized in that: also comprises a drainage composite layer which extends from the ground (11) of the foundation pit downwards to the edge of the water accumulation pit (1) through the surface of the side slope soil body (2), the drainage composite layer comprises a water seepage layer (3) at the bottom layer, an anti-skidding reinforcing layer (4) at the middle layer, an anchoring piece (5) and a surface cushion layer (6) at the upper layer, and also comprises a water collecting well (7), a water permeable pipe (8) and a water suction pump (9) which are arranged in the water accumulation pit (1),
the water seepage layer (3) is laid on the surface of the side slope soil body (2),
the anti-skid reinforcing layer (4) is pressed on the upper side surface of the water seepage layer (3), anchoring pieces (5) are uniformly distributed on the back side of the anti-skid reinforcing layer (4),
one end of the anchoring piece (5) is fixedly connected with the lower side of the antiskid reinforcing layer (4), the other end of the anchoring piece (5) penetrates through the water seepage layer (3) and is buried in the side slope soil body (2),
the surface cushion layer (6) is laid on the surface of the anti-skid reinforcing layer (4) and wraps the anti-skid reinforcing layer (4),
a group of water collecting wells (7) are arranged in the water collecting pit (1) at intervals along the width direction of the side slope, a water permeable pipe (8) is arranged in each water collecting well (7), a water suction pump (9) is arranged in each water permeable pipe (8),
the position of infiltration layer (3) at sump pit (7) downwardly extending to sump pit (7), the inner wall top of infiltration layer (3) outsourcing pipe (8) of permeating water and with pipe (8) of permeating water pass through connecting piece (10) fixed connection.
2. The foundation pit slope drainage structure according to claim 1, characterized in that: the water seepage layer (3) is a geotextile layer.
3. The foundation pit slope drainage structure according to claim 1, characterized in that: the anti-skid reinforcing layer (4) is a steel wire mesh layer.
4. The foundation pit slope drainage structure according to claim 3, characterized in that: anchoring member (5) are reinforcing bar T type spare, including horizontal pole (51) and montant (52), horizontal pole (51) card is in the upside of wire mesh layer, horizontal pole (51) and wire mesh layer welded connection, montant (52) bury in the side slope soil body (2).
5. The foundation pit slope drainage structure according to claim 4, characterized in that: the welding positions of the cross rods (51) and the steel wire mesh layer are positioned on the lower side of the cross points of the transverse and longitudinal grids of the steel wire mesh layer.
6. The foundation pit slope drainage structure according to claim 5, characterized in that: the transverse and longitudinal arrangement intervals of the anchoring parts (5) are not more than 2 times of the length of the transverse and longitudinal grids.
7. The foundation pit slope drainage structure according to claim 1, characterized in that: the connecting piece (10) is a steel wire.
8. The foundation pit slope drainage structure according to claim 1, characterized in that: the surface cushion layer (6) is formed by patting and plastering fine stone concrete.
9. The foundation pit slope drainage structure according to claim 1, characterized in that: the distance between the drainage composite layer and the bottom edge of the side slope, namely the distance between the water accumulation pit and the bottom edge of the side slope, is 200mm-400mm, and the coverage width of the drainage composite layer on the ground of the foundation pit is not less than 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102966.0U CN210315604U (en) | 2019-07-15 | 2019-07-15 | Foundation ditch slope drainage structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102966.0U CN210315604U (en) | 2019-07-15 | 2019-07-15 | Foundation ditch slope drainage structure |
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| CN210315604U true CN210315604U (en) | 2020-04-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777788A (en) * | 2020-12-22 | 2021-05-11 | 成都华阳建筑股份有限公司 | Circulating water system for building construction |
| CN113216222A (en) * | 2021-05-24 | 2021-08-06 | 长江大学 | Green plant ecological side slope protection system with communication structure and construction method thereof |
| CN114197501A (en) * | 2021-12-29 | 2022-03-18 | 中国长江三峡集团有限公司 | Reinforcement system for large-scale landslide control and construction method thereof |
-
2019
- 2019-07-15 CN CN201921102966.0U patent/CN210315604U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777788A (en) * | 2020-12-22 | 2021-05-11 | 成都华阳建筑股份有限公司 | Circulating water system for building construction |
| CN113216222A (en) * | 2021-05-24 | 2021-08-06 | 长江大学 | Green plant ecological side slope protection system with communication structure and construction method thereof |
| CN114197501A (en) * | 2021-12-29 | 2022-03-18 | 中国长江三峡集团有限公司 | Reinforcement system for large-scale landslide control and construction method thereof |
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