CN211006700U - Foundation ditch flowing water lateral wall drainage protects structure - Google Patents
Foundation ditch flowing water lateral wall drainage protects structure Download PDFInfo
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- CN211006700U CN211006700U CN201921878435.0U CN201921878435U CN211006700U CN 211006700 U CN211006700 U CN 211006700U CN 201921878435 U CN201921878435 U CN 201921878435U CN 211006700 U CN211006700 U CN 211006700U
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- side wall
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- reinforcing mesh
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 68
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims description 24
- 239000010902 straw Substances 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 18
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000003657 drainage water Substances 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000012466 permeate Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a foundation ditch flowing water lateral wall drainage protects structure relates to foundation ditch construction technical field, include: the upper end of each diversion trench extends to the joint position of the side wall of the foundation pit of the impervious bed and the side wall of the foundation pit of the pervious bed, and the lower end of each diversion trench extends to the bottom end of the side wall of the foundation pit of the impervious bed; the hydrophobic structure is laid on one side, away from the side wall of the foundation pit of the impervious bed, of the inner-layer reinforcing mesh and is fixedly connected with the inner-layer reinforcing mesh; and the blind ditch is used for draining and is arranged at the bottom end of the side wall of the foundation pit of the impervious bed and communicated with the bottom end of the hydrophobic structure and the bottom end of the water diversion groove. In the construction process, open water on the surface of the side wall of the foundation pit is drained to the blind ditch along the water guide groove and the hydrophobic structure, the side wall of the foundation pit is kept in an anhydrous state, and the spraying and protecting engineering can be normally constructed.
Description
Technical Field
The utility model relates to a foundation ditch construction technical field especially relates to a foundation ditch flowing water lateral wall drainage protects structure.
Background
In the diversified excavation of underground soil layer structure and strut the work progress, can meet often that the upper strata is permeable bed lower floor and is the geological structure of impervious bed, when excavation of foundation ditch to impervious bed, groundwater is except that a small amount of dewatering well is discharged, and most groundwater will be oozed from between permeable bed and the impervious bed to along impervious bed foundation ditch lateral wall flow direction foundation ditch. Therefore, the spraying and protecting engineering can not be constructed on the side wall of the foundation pit with open water.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a foundation ditch flowing water lateral wall drainage protects structure to the foundation ditch lateral wall that makes to have bright water can spout and protect the construction.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a foundation ditch flowing water lateral wall drainage protects structure, include: the upper end of each water diversion groove extends to the joint position of the side wall of the foundation pit with the impervious layer, and the lower end of each water diversion groove extends to the bottom end of the side wall of the foundation pit with the impervious layer; the inner-layer reinforcing mesh is laid on the side wall of the impervious bed foundation pit and fixedly connected with the side wall of the impervious bed foundation pit, and the upper end of the inner-layer reinforcing mesh extends upwards to the side wall of the pervious bed foundation pit and is fixedly connected with a protective reinforcing mesh laid on the side wall of the pervious bed foundation pit; the hydrophobic structure is laid on one side, away from the side wall of the foundation pit, of the inner-layer reinforcing mesh and is fixedly connected with the inner-layer reinforcing mesh; the outer layer reinforcing mesh is laid on one side of the hydrophobic structure, which is far away from the inner layer reinforcing mesh, and is fixedly connected with the hydrophobic structure and the inner layer reinforcing mesh; the outer-layer protective structure is sprayed on one side of the protective reinforcing steel mesh far away from the side wall of the foundation pit of the permeable layer and one side of the outer-layer reinforcing steel mesh far away from the hydrophobic structure; and the underdrain is used for draining water, is arranged at the bottom end of the side wall of the foundation pit of the impervious bed and is communicated with the bottom end of the hydrophobic structure and the bottom end of the diversion trench.
Preferably, the hydrophobic structure comprises at least one straw mat layer, and the straw mat layer comprises at least one vertically-laid straw mat.
Preferably, the inside edge of secret ditch the length direction of secret ditch is provided with the pipe of permeating water, the pipe of permeating water goes up the edge the length direction of pipe of permeating water evenly be provided with a plurality of with permeate water the inside pore group that permeates water of intercommunication of pipe, each permeate water the pore group all include a plurality of edges permeate water the circumference of pipe evenly set up and all with permeate water the hole of permeating water of pipe intercommunication.
Preferably, the outer side wall of the water permeable pipe is wrapped with a plurality of layers of nylon nets.
Preferably, pebbles and/or gravels are filled between the outer side wall of the water permeable pipe and the inner side wall of the underdrain.
Preferably, the drainage structure further comprises a cover plate, wherein one of two opposite sides of the cover plate abuts against the drainage structure, and the other side of the cover plate inclines towards one side close to the outer layer protection structure and is lapped on the edge of the underdrain.
Preferably, the soil nail comprises a plurality of soil nails, one end of each soil nail sequentially penetrates through the outer protective structure, the outer reinforcing mesh, the hydrophobic structure and the inner reinforcing mesh from outside to inside, and is obliquely and downwards driven into the side wall of the foundation pit of the impervious bed, and the outer reinforcing mesh and the inner reinforcing mesh are fixedly connected with the soil nails.
Preferably, the waterproof structure further comprises a plurality of first waist beams, a plurality of first anchor rods, a plurality of second waist beams and a plurality of second anchor rods, wherein a plurality of first anchor rod holes are formed in each first waist beam along the length direction of the first waist beam, a plurality of second anchor rod holes are formed in each second waist beam along the length direction of the second waist beam, the plurality of first waist beams are uniformly arranged on one side, away from the protective reinforcing mesh, of the outer-layer protective structure along the height direction of the side wall of the waterproof layer foundation pit, the plurality of second waist beams are uniformly arranged on one side, away from the hydrophobic structure, of the outer-layer reinforcing mesh along the height direction of the side wall of the waterproof layer foundation pit, one first anchor rod is arranged in one first anchor rod hole, one end of one first anchor rod sequentially penetrates through the outer-layer protective structure and the protective reinforcing mesh from outside to inside and is obliquely and downwards driven into the side wall of the waterproof layer foundation pit, one the second anchor rod is installed in one the second anchor rod hole, one the one end of second anchor rod runs through in proper order from outer to interior outer protective structure, outer reinforcing bar net piece, hydrophobic structure and inlayer reinforcing bar net piece to the slant is squeezed into down impermeable layer foundation ditch lateral wall.
The utility model discloses for prior art gain following technological effect:
the utility model provides a foundation ditch flowing water lateral wall drainage protects structure, include: the upper end of each diversion trench extends to the joint position of the side wall of the foundation pit of the impervious bed and the side wall of the foundation pit of the pervious bed, and the lower end of each diversion trench extends to the bottom end of the side wall of the foundation pit of the impervious bed; the inner-layer reinforcing mesh is laid on the side wall of the foundation pit of the impervious bed and fixedly connected with the side wall of the foundation pit of the impervious bed, and the upper end of the inner-layer reinforcing mesh extends upwards to the side wall of the foundation pit of the pervious bed and is fixedly connected with the protective reinforcing mesh laid on the side wall of the foundation pit of the pervious bed; the hydrophobic structure is laid on one side, away from the side wall of the foundation pit of the impervious bed, of the inner-layer reinforcing mesh and is fixedly connected with the inner-layer reinforcing mesh; the outer layer reinforcing mesh is laid on one side of the hydrophobic structure, which is far away from the inner layer reinforcing mesh, and is fixedly connected with the hydrophobic structure and the inner layer reinforcing mesh; the outer protection structure is sprayed on one side of the protection reinforcing mesh far away from the side wall of the foundation pit of the permeable layer and one side of the outer reinforcing mesh far away from the hydrophobic structure; and the blind ditch is used for draining and is arranged at the bottom end of the side wall of the foundation pit of the impervious bed and communicated with the bottom end of the hydrophobic structure and the bottom end of the water diversion groove. In the construction process, open water on the surface of the side wall of the foundation pit is drained to the blind ditch along the water guide groove and the hydrophobic structure, the side wall of the foundation pit is kept in an anhydrous state, and the spraying and protecting engineering can be normally constructed. In addition, water drained to the blind ditch is discharged along the blind ditch, so that the quality of foundation pit supporting engineering is effectively guaranteed, and the bearing capacity is prevented from being influenced by water soaking at the bottom of the foundation pit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a layered cross-sectional view of a drainage protection structure for a flowing water side wall of a foundation pit according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a drainage protection structure for a side wall of a foundation pit in an embodiment of the present invention;
fig. 3 is a schematic view of an arrangement manner of a diversion trench of a drainage protection structure of a side wall of a foundation pit in an embodiment of the present invention;
fig. 4 is a schematic structural view of a permeable pipe provided in an embodiment of the present invention.
Description of reference numerals: 1. the side wall of the foundation pit of the impervious bed; 2. the side wall of the foundation pit of the permeable layer; 3. a water diversion groove; 4. inner layer steel bar net; 5. protecting a reinforcing mesh; 6. a hydrophobic structure; 7. an outer layer reinforcing mesh sheet; 8. an outer protective structure; 9. undermining the ditch; 10. a water permeable pipe; 11. water permeable holes; 12. pebbles; 13. a cover plate; 14. soil nailing; 15. a first wale; 16. a first anchor rod; 17. a second wale; 18. a second anchor rod; 19. a nylon mesh; 20. and (4) gravel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a foundation ditch flowing water lateral wall drainage protects structure to there is the foundation ditch lateral wall of open water to spout and protect the construction.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3, the present embodiment provides a drainage protection structure for a side wall of a foundation pit, comprising: the diversion trenches 3 are arranged on the side wall 1 of the impervious bed foundation pit side by side, the upper ends of the diversion trenches 3 extend to the joint position of the side wall 1 of the impervious bed foundation pit and the side wall 2 of the pervious bed foundation pit, and the lower ends of the diversion trenches 3 extend to the bottom end of the side wall 1 of the impervious bed foundation pit; the inner-layer reinforcing mesh 4 is laid on the side wall 1 of the impervious bed foundation pit and fixedly connected with the side wall 1 of the impervious bed foundation pit, and the upper end of the inner-layer reinforcing mesh 4 extends upwards to the side wall 2 of the pervious bed foundation pit and is fixedly connected with a protective reinforcing mesh 5 laid on the side wall 2 of the pervious bed foundation pit; the hydrophobic structure 6 is laid on one side, away from the side wall 1 of the foundation pit of the impervious bed, of the inner-layer steel mesh 4, and is fixedly connected with the inner-layer steel mesh 4; the outer layer reinforcing mesh 7 is laid on one side, away from the inner layer reinforcing mesh 4, of the hydrophobic structure 6, and is fixedly connected with the hydrophobic structure 6 and the inner layer reinforcing mesh 4; the outer-layer protective structure 8 is sprayed on one side, far away from the side wall 2 of the foundation pit with the permeable layer, of the protective steel mesh 5 and one side, far away from the hydrophobic structure 6, of the outer-layer steel mesh 7; and the blind ditch 9 is used for draining, and the blind ditch 9 is arranged at the bottom end of the side wall 1 of the foundation pit of the impervious bed and is communicated with the bottom end of the hydrophobic structure 6 and the bottom end of the water guide groove 3. In the construction process, open water on the surface of the side wall of the foundation pit is drained to the blind ditch 9 along the water guide groove 3 and the hydrophobic structure 6, the side wall of the foundation pit keeps an anhydrous state, and the spraying protection engineering can be normally constructed. In addition, water drained to the blind ditch 9 is discharged along the blind ditch 9, so that the quality of foundation pit supporting engineering is effectively guaranteed, and the bearing capacity is prevented from being influenced by water bubbles at the bottom of the foundation pit.
Specifically, the depth of the diversion grooves 3 is 3 cm-5 cm, one diversion groove is cut at intervals of 1m, the number of the diversion grooves 3 is determined according to specific conditions, most of water flow can be collected into the blind ditch 9 by the diversion grooves 3, the water spraying area of the side wall of the foundation pit is reduced, the inner-layer reinforcing mesh 4 is made of reinforcing mesh with the diameter of phi 6@400 × 400, the inner-layer reinforcing mesh is fully paved on the side wall 1 of the foundation pit of the impervious layer from the position 50cm above the boundary of the pervious and impervious layers, the upper part of the inner-layer reinforcing mesh 4 is connected with the protective reinforcing mesh 5, the inner-layer reinforcing mesh 4 is used for fixing the hydrophobic structure 6, cement mortar is sprayed on one side of the protective reinforcing mesh 5, which is far away from the side wall 2 of the pervious layer foundation pit, and one side of the outer-layer reinforcing mesh 7, which is far away from the hydrophobic structure 6, so that the protective reinforcing mesh 5 and the.
In this embodiment, the hydrophobic structure 6 includes at least one straw curtain layer, and the straw curtain layer includes at least one vertical straw curtain, and in this embodiment, specifically, the hydrophobic structure 6 includes two straw curtain layers, and the straw curtain layer includes a vertical straw curtain, and the straw curtain thickness is 3 cm. The straw curtain is made of wheat straws or rice straws, and the vertical laying means that the length direction of the wheat straws or the rice straws is parallel to the height direction of the side wall 1 of the foundation pit of the impervious bed, so that water on the side wall of the foundation pit flows downwards into the blind ditch 9 along the straw of the straw curtain. The straw curtain plays a role in isolating and draining water, so that no open water flows out of the outer side of the straw curtain. Meanwhile, the straw curtain is close to the side wall of the foundation pit, so that the content of the nylon sand in the drainage water is effectively controlled, and the functions of filtering water and protecting the soil body loss of the permeable layer are achieved.
In this embodiment, as shown in fig. 1-2, in order to effectively increase the flow rate of water, increase the drainage rate, and prevent water from overflowing the blind ditch 9 to soak the pit bottom, the blind ditch 9 is provided with a water permeable pipe 10 along the length direction of the blind ditch 9, the water permeable pipe 10 is guided to the water collecting pit along the blind ditch 9, the water permeable pipe 10 is uniformly provided with a plurality of water permeable hole groups communicated with the inside of the water permeable pipe 10 along the length direction of the water permeable pipe 10, and each water permeable hole group includes a plurality of water permeable holes 11 uniformly arranged along the circumferential direction of the water permeable pipe 10 and communicated with the water permeable pipe 10. Specifically, in this embodiment, the pipe 10 of permeating water chooses for use the internal diameter 100mm, the PE pipe of 8mm of wall thickness, and the hole 11 diameter of permeating water is 1cm, and the quantity of the punch combination of permeating water and the hole 11 of permeating water is confirmed according to actual conditions.
In this embodiment, as shown in fig. 4, in order to protect the water permeable pipe 10 and prevent the water permeable pipe 10 from being blocked, the outer side wall of the water permeable pipe 10 is wrapped with a plurality of layers of nylon nets 19, and the nylon nets 19 are tightly bound by iron wires. The nylon net 19 in this embodiment is specifically two layers.
In this embodiment, as shown in fig. 1-2, in order to filter the water body and further avoid silt from blocking the permeable pipe 10, pebbles 12 and/or gravels 20 are filled between the outer side wall of the permeable pipe 10 and the inner side wall of the underdrain 9. The present embodiment is specifically filled with pebbles 12 and gravels 20 having a particle diameter of 5mm to 40 mm.
In this embodiment, as shown in fig. 2, in order to prevent the blind ditch 9 from being clogged during the construction process of other processes such as cleaning soil and bedding from the bottom of the pit, and thus affecting the drainage of the blind ditch 9, the side wall drainage protection structure for foundation pit drainage further includes a cover plate 13, one of two opposite sides of the cover plate 13 abuts against the drainage structure 6, and the other side of the cover plate inclines toward one side close to the outer protection structure 8 and overlaps the edge of the blind ditch 9, so as to protect the blind ditch 9. The cover plate 13 in this embodiment has a thickness of 14mm and a width of 40 cm.
In this embodiment, as shown in fig. 1-2, the drainage protection structure for the flowing water side wall of the foundation pit further includes a plurality of soil nails 14, one end of each soil nail 14 sequentially penetrates through the outer protection structure 8, the outer reinforcing mesh 7, the hydrophobic structure 6 and the inner reinforcing mesh 4 from outside to inside, and is obliquely driven downwards into the foundation pit side wall 1 of the impervious bed, and the outer reinforcing mesh 7 and the inner reinforcing mesh 4 are fixedly connected to the soil nails 14. The number of the soil nails 14 is determined according to actual conditions. In the embodiment, the soil nail 14 is made of a threaded steel bar with a diameter of phi 25, the soil penetration depth is more than or equal to 60cm, the exposed length is 30cm, the horizontal interval is 2m, and the vertical interval is 3 m. The soil nails 14 are used for supporting and pulling the inner layer reinforcing mesh 4, the hydrophobic structure 6 and the outer layer reinforcing mesh 7.
In this embodiment, as shown in fig. 1-2, in order to fix the drainage protection structure of the drainage sidewall of the foundation pit more stably, the drainage protection structure of the drainage sidewall of the foundation pit further includes a plurality of first waist beams 15, a plurality of first anchor rods 16, a plurality of second waist beams 17 and a plurality of second anchor rods 18, each first waist beam 15 is provided with a plurality of first anchor rod 16 holes along the length direction of the first waist beam 15, each second waist beam 17 is provided with a plurality of second anchor rod 18 holes along the length direction of the second waist beam 17, the plurality of first waist beams 15 are uniformly arranged on one side of the outer protection structure 8 away from the protection mesh 5 along the height direction of the permeable bed foundation pit sidewall 2, the plurality of second waist beams 17 are uniformly arranged on one side of the outer mesh 7 away from the hydrophobic structure 6 along the height direction of the impermeable bed foundation pit sidewall 1, one first anchor rod 16 is installed in one first anchor rod 16 hole, one end of a first anchor rod 16 sequentially penetrates through the outer protective structure 8 and the protective steel bar net piece 5 from outside to inside and is obliquely and downwards driven into the impermeable layer foundation pit side wall 1, a second anchor rod 18 is installed in a second anchor rod 18 hole, one end of the second anchor rod 18 sequentially penetrates through the outer protective structure 8, the outer steel bar net piece 7, the hydrophobic structure 6 and the inner steel bar net piece 4 from outside to inside and is obliquely and downwards driven into the impermeable layer foundation pit side wall 1. The number of the first wale 15, the first wale, the second wale 17, and the second wale is determined according to an actual situation.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A foundation ditch flowing water lateral wall row water protects structure, its characterized in that includes:
the upper end of each water diversion groove extends to the joint position of the side wall of the foundation pit with the impervious layer, and the lower end of each water diversion groove extends to the bottom end of the side wall of the foundation pit with the impervious layer;
the inner-layer reinforcing mesh is laid on the side wall of the impervious bed foundation pit and fixedly connected with the side wall of the impervious bed foundation pit, and the upper end of the inner-layer reinforcing mesh extends upwards to the side wall of the pervious bed foundation pit and is fixedly connected with a protective reinforcing mesh laid on the side wall of the pervious bed foundation pit;
the hydrophobic structure is laid on one side, away from the side wall of the foundation pit, of the inner-layer reinforcing mesh and is fixedly connected with the inner-layer reinforcing mesh;
the outer layer reinforcing mesh is laid on one side of the hydrophobic structure, which is far away from the inner layer reinforcing mesh, and is fixedly connected with the hydrophobic structure and the inner layer reinforcing mesh;
the outer-layer protective structure is sprayed on one side of the protective reinforcing steel mesh far away from the side wall of the foundation pit of the permeable layer and one side of the outer-layer reinforcing steel mesh far away from the hydrophobic structure;
and the underdrain is used for draining water, is arranged at the bottom end of the side wall of the foundation pit of the impervious bed and is communicated with the bottom end of the hydrophobic structure and the bottom end of the diversion trench.
2. The foundation pit flowing water side wall drainage water guard structure of claim 1, wherein the hydrophobic structure comprises at least one layer of straw mat comprising at least one vertically laid straw mat.
3. The foundation pit running water side wall drainage water protection structure of claim 1, wherein a water permeable pipe is arranged inside the underdrain along the length direction of the underdrain, a plurality of water permeable hole groups communicated with the inside of the water permeable pipe are evenly arranged on the water permeable pipe along the length direction of the water permeable pipe, and each water permeable hole group comprises a plurality of water permeable holes evenly arranged along the circumferential direction of the water permeable pipe and communicated with the water permeable pipe.
4. The foundation pit drainage side wall water discharge protection structure according to claim 3, wherein the outer side wall of the water permeable pipe is wrapped with a plurality of layers of nylon nets.
5. The foundation pit running water side wall water discharge protection structure according to claim 3, wherein pebbles and/or gravels are filled between the outer side wall of the water permeable pipe and the inner side wall of the underdrain.
6. The foundation pit drainage sidewall water discharge protection structure of claim 3, further comprising a cover plate, wherein one of two opposite sides of the cover plate abuts against the hydrophobic structure, and the other side of the cover plate is inclined towards one side close to the outer protection structure and overlaps the edge of the underdrain.
7. The foundation pit flowing water lateral wall drainage water protection structure of claim 1, further comprising a plurality of soil nails, wherein one end of each soil nail penetrates through the outer protection structure, the outer layer reinforcing mesh, the hydrophobic structure and the inner layer reinforcing mesh from outside to inside in sequence, and is obliquely driven downwards into the foundation pit lateral wall of the impervious bed, and the outer layer reinforcing mesh and the inner layer reinforcing mesh are fixedly connected with the soil nails.
8. The foundation pit drainage side wall drainage water protection structure according to claim 1, further comprising a plurality of first waist beams, a plurality of first anchor rods, a plurality of second waist beams and a plurality of second anchor rods, wherein each first waist beam is provided with a plurality of first anchor rod holes along the length direction of the first waist beam, each second waist beam is provided with a plurality of second anchor rod holes along the length direction of the second waist beam, the plurality of first waist beams are uniformly arranged on one side of the outer protection structure far away from the protection reinforcing mesh along the height direction of the permeable layer foundation pit side wall, the plurality of second waist beams are uniformly arranged on one side of the outer protection structure far away from the hydrophobic structure along the height direction of the impermeable layer foundation pit side wall, one first anchor rod is arranged in one first anchor rod hole, one end of the first anchor rod sequentially penetrates through the outer protection structure and the protection reinforcing mesh from outside to inside, and the water-impermeable layer foundation pit side wall is obliquely driven downwards, one second anchor rod is arranged in one second anchor rod hole, and one end of the second anchor rod sequentially penetrates through the outer protective structure, the outer reinforcing mesh, the hydrophobic structure and the inner reinforcing mesh from outside to inside and is obliquely driven downwards into the water-impermeable layer foundation pit side wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921878435.0U CN211006700U (en) | 2019-11-04 | 2019-11-04 | Foundation ditch flowing water lateral wall drainage protects structure |
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| CN201921878435.0U CN211006700U (en) | 2019-11-04 | 2019-11-04 | Foundation ditch flowing water lateral wall drainage protects structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118187120A (en) * | 2024-05-17 | 2024-06-14 | 广州建筑股份有限公司 | Pile seam water and sand gushing natural biological material plugging method for support pile |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118187120A (en) * | 2024-05-17 | 2024-06-14 | 广州建筑股份有限公司 | Pile seam water and sand gushing natural biological material plugging method for support pile |
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Effective date of registration: 20240327 Address after: 710000 AR203, Xi'an Olympic Center Gymnasium, 2020 Olympic Avenue, Xi'an International Port Area, Xi'an City, Shaanxi Province Patentee after: China Construction Third Engineering Group Northwest Co.,Ltd. Country or region after: China Address before: 430000 No. 552 Guan Shan Road, Hubei, Wuhan Patentee before: CHINA CONSTRUCTION THIRD CONSTRUCTION ENGINEERING Co.,Ltd. Country or region before: China |