CN210658404U - High-strength assembly type drainage blind ditch structure - Google Patents
High-strength assembly type drainage blind ditch structure Download PDFInfo
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- CN210658404U CN210658404U CN201921042314.2U CN201921042314U CN210658404U CN 210658404 U CN210658404 U CN 210658404U CN 201921042314 U CN201921042314 U CN 201921042314U CN 210658404 U CN210658404 U CN 210658404U
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Abstract
The utility model discloses a high-strength assembly type drainage blind ditch structure, which relates to the technical field of building construction and comprises a first gravel layer, wherein a first drainage pipe extending along the length direction of a blind ditch is laid in the first gravel layer, a plurality of water permeable holes are formed in the peripheral side of the first drainage pipe, a foundation pit backfill layer is laid above the first gravel layer, and a plurality of groups of reinforcing components are pre-buried in the foundation pit backfill layer; the reinforcing assembly comprises a reinforcing rod and two reinforcing disks, the two reinforcing disks are right opposite and horizontal, the vertical ends of the reinforcing rod are fixed with the two reinforcing disks respectively, a plurality of rope nets are pre-buried in the foundation pit backfill layer, and nodes of the rope nets are fixed with the reinforcing rod. The utility model discloses an utilize the bearing capacity that the reinforcement assembly strengthened foundation ditch backfill layer, and make the foundation ditch backfill layer be difficult for scattering by the fag end to guarantee that the foundation ditch is difficult for collapsing.
Description
Technical Field
The utility model belongs to the technical field of the technique of construction and specifically relates to a high strength assembled drainage french drain structure is related to.
Background
The basement buoyancy is the buoyancy generated by underground water to the building, when the low water level is higher than the bottom of the building, water pressure is generated on the bottom surface and the side surface of the building due to the action of water pressure, and the upward water pressure generated by the underground water to the bottom of the building becomes the basement water buoyancy. The magnitude of the basement water buoyancy is related to the underground water level (anti-floating water level), and when the underground water buoyancy reaches a certain value, the whole building can be caused to float upwards or the local structure of the basement of the building can be damaged. And once the damage occurs, the repair is difficult.
In the existing drainage blind ditch, generally, broken stones are filled in a foundation ditch, and then drainage pipes are laid in the broken stones through the permeation of the broken stones to underground water and the permeation of the drainage pipes to the underground water, so that the content of the underground water in the foundation ditch is reduced. However, when the gravel is loaded, the foundation pit is loaded by using locally-obtained soil, and when the road surface encounters overlarge pressure, common soil is easy to sink, so that when rainwater erodes the soil, the soil on the upper layer of the gravel is easy to seep downwards, the content of water in the foundation pit is improved, and underground water cannot be timely discharged, and the influence on the building is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high strength assembled drainage french drain structure that foundation ditch top is difficult for collapsing.
The utility model discloses a can realize through following technical scheme:
a high-strength assembly type drainage blind ditch structure comprises a first gravel layer, wherein a first drainage pipe extending along the length direction of a blind ditch is laid in the first gravel layer, a plurality of water permeable holes are formed in the peripheral side of the first drainage pipe, a foundation pit backfill layer is laid above the first gravel layer, and a plurality of groups of reinforcing assemblies are pre-buried in the foundation pit backfill layer;
the reinforcing assembly comprises a reinforcing rod and two reinforcing disks, the two reinforcing disks are right opposite and horizontal, the vertical ends and the two ends of the reinforcing rod are respectively fixed with the two reinforcing disks, a plurality of rope nets are pre-buried in the foundation pit backfill layer, and nodes of the rope nets are fixed with the reinforcing rod.
By adopting the technical scheme, after the drainage blind ditch is installed, the underground water is guided away by the first drainage pipe in the first gravel layer by permeating into the first gravel layer, so that the content of underground water in the foundation pit is reduced, and the influence of the buoyancy of the underground water on a building is reduced;
when foundation pit backfill layer surface receives the great power, reinforcing disc and anchor strut have strengthened the wholeness of foundation pit backfill layer, and the foundation pit backfill layer is consequently difficult for the part to collapse, couple together multiunit reinforcement subassembly through the fag end, thereby when foundation pit backfill layer receives the pressure in different regions, the fag end restriction foundation pit backfill layer is to spreading all around, with this foundation pit backfill layer is difficult for producing the crack, the possibility that foundation pit backfill layer surface ponding got into the foundation pit backfill layer has been reduced, the possibility that ponding makes the interior water content of foundation pit increase has been reduced, thereby the building is difficult for receiving excessive ponding and the come-up, foundation pit backfill layer is also difficult for collapsing.
Further setting the following steps: and a plurality of glass beads for improving the hydrophobicity of the backfill layer of the foundation pit are uniformly distributed on the rope net.
Through adopting above-mentioned technical scheme, glass bead has improved the hydrophobicity on foundation ditch backfill layer to the intraformational water content of foundation ditch backfill is less, and groundwater is when permeating through first rubble layer, is difficult for increasing the water content on foundation ditch backfill layer.
Further setting the following steps: and a waterproof pavement layer is paved on the foundation pit backfill layer.
Through adopting above-mentioned technical scheme, when there is ponding ground surface, ponding is difficult for getting into in the foundation ditch backfill layer through the road surface layer to reduce the intraformational water content of foundation ditch backfill, with this foundation ditch backfill layer is difficult for collapsing.
Further setting the following steps: and a plurality of drainage ditches are formed in the surface of the pavement layer.
Through adopting above-mentioned technical scheme, the drainage ditch is with the ponding water conservancy diversion on the surface course to reduce the possibility that ponding seeped down.
Further setting the following steps: the periphery of the first drainage pipe is coated with first isolation cloth for isolating gravels.
Through adopting above-mentioned technical scheme, first spacer cloth gets up first calandria cladding, only supports water and gets into first calandria from the hole of permeating water, and the hole of permeating water is difficult for receiving the intraformational grit of first rubble influence and block up.
Further setting the following steps: and a first separation cloth used for separating the first gravel layer is laid on the periphery of the first gravel layer.
Through adopting above-mentioned technical scheme, first separation cloth separates first rubble layer and foundation ditch backfill layer to first rubble layer is difficult to take place to mix the condition with foundation ditch backfill layer, and first rubble layer is difficult because mixed and reduce its infiltration performance.
Further setting the following steps: and a concrete layer is laid at the bottom of the first gravel layer.
Through adopting above-mentioned technical scheme, concrete layer separates first rubble layer and foundation ditch bottom, and when first rubble layer received inhomogeneous pressure, concrete layer supported first rubble layer to first rubble layer is difficult for scattering and weakens its infiltration nature.
Further setting the following steps: and the surface of the concrete layer is coated with a waterproof coating.
Through adopting above-mentioned technical scheme, contain the reinforcing bar in the concrete layer, waterproof coating alleviates groundwater to the osmotic action of concrete to concrete layer is difficult for the fracture, with this support of guaranteeing concrete layer to first metalling.
To sum up, the utility model discloses a beneficial technological effect does:
(1) when the foundation pit backfill layer bears large force, the reinforcing rods and the reinforcing plates in the foundation pit backfill layer strengthen the integrity and the bearing capacity of the foundation pit backfill layer, so that the foundation pit backfill layer is not easy to dent when bearing, the foundation pit backfill layer is restrained through the rope net, the foundation pit backfill layer is not easy to crack under pressure, accumulated water on the surface of the foundation pit backfill layer is not easy to seep down through the foundation pit backfill layer, the content of water in the foundation pit is reduced, and the foundation pit backfill layer is not easy to collapse;
(2) the waterproof pavement layer reduces the possibility of seeper infiltration of the pavement, and the seeper is drained away in time through the drainage ditch, so that the content of the seeper in the foundation pit is reduced;
(3) the first separation cloth separates the first gravel layer, so that the possibility that the first gravel layer is mixed with the foundation pit backfill layer is reduced, and the water permeability of the first gravel layer is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of a first drain pipe of the present invention;
fig. 3 is a schematic structural view of the rope net of the present invention;
FIG. 4 is a schematic structural view of a second drain pipe of the present invention;
fig. 5 is a top view of the middle pavement layer of the present invention.
Reference numerals: 1. a first crushed stone layer; 2. a first drain pipe; 3. water permeable holes; 4. a foundation pit backfill layer; 5. a reinforcing rod; 6. reinforcing the disc; 7. a rope net; 8. glass beads; 9. a pavement layer; 10. a drainage ditch; 11. a first spacer fabric; 12. a first separation cloth; 13. a concrete layer; 14. a wall body; 15. a bottom layer; 16. a second crushed stone layer; 17. a clay layer; 18. a second drain pipe; 19. an overflow hole; 20. a second separation cloth; 21. and (5) foundation pit slope layers.
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 high strength assembled drainage french drain structure, including vertical basement wall 14, bottom 15, second rubble layer 16, clay layer 17, concrete layer 13, first rubble layer 1, foundation ditch backfill layer 4 and pavement layer 9 have been laid from bottom to top in proper order in the outside of wall 14. The bottom layer 15 is formed by pouring reinforced concrete and is directly embedded at the bottom of the foundation pit after pouring and forming; the main component in the clay layer 17 is clay, and the clay is directly assembled after pouring and forming; the concrete layer 13 is also embedded directly after the concrete layer is poured, a waterproof coating (not shown in the figure) is coated on the surface of the concrete layer 13, the waterproof coating is mainly made of synthetic rubber, and the installation efficiency of the drainage blind ditch is improved by directly assembling the poured clay layer 17, the concrete layer 13 and the bottom layer 15.
Referring to fig. 1 and 2, the first crushed stone layer 1 is composed of graded crushed stones by being loaded on the concrete layer 13. Lay the first calandria 2 that extends along french drain length direction in the first rubble layer 1, a plurality of holes 3 of permeating water have been seted up to 2 week sides of first calandria, and the outer cladding of 2 outer cladding of first calandria has first barrier cloth 11, and first barrier cloth 11 is geotechnological cloth. The first drainage pipe 2 guides the groundwater after it is collected to a sewer (not shown in the figure). Except for one side of the first gravel layer 1 close to the wall 14, the rest surfaces of the first gravel layer 1 are coated with first partition cloth 12, the first partition cloth 12 is geotextile, and one end of the first partition cloth 12, which is located on the upper surface of the first gravel layer 1 and close to the wall 14, extends upwards along the wall 14. The first separation cloth 12 reduces the possibility that the first crushed stone layer 1 is mixed with the foundation pit backfill layer 4, thereby ensuring the water permeability of the first crushed stone layer 1.
Referring to fig. 1 and 3, a plurality of groups of reinforcing components are embedded in the foundation pit backfill layer 4, each reinforcing component comprises a reinforcing rod 5 and two reinforcing discs 6, the two reinforcing discs 6 are opposite and horizontal, and the two ends of the reinforcing rod 5 are vertical and fixed with the two reinforcing discs 6 respectively. A plurality of horizontal rope nets 7 are pre-buried in the foundation pit backfill layer 4, the rope nets 7 are formed by weaving a plurality of hemp ropes, and nodes of the rope nets 7 are fixed on the peripheral sides of different reinforcing rods 5. The reinforcement assembly strengthens the integrity and the bearing performance of the foundation pit backfill layer 4, and the rope net 7 enables the foundation pit backfill layer 4 not to be easily dispersed, so that the collapse condition of the foundation pit backfill layer 4 is reduced. The plurality of glass beads 8 are adhered to the rope net 7, so that the hydrophobicity of the foundation pit backfill layer 4 is enhanced, the foundation pit backfill layer 4 is not easy to damp and collapse due to gaps, and the foundation pit backfill layer 4 is not easy to sag when being extruded by underground water.
Referring to fig. 1 and 5, the pavement layer 9 is mainly made of asphalt, and a plurality of drainage ditches 10 are opened on the surface of the pavement layer 9, and the drainage ditches 10 are finally communicated to a sewer (not shown).
Referring to fig. 1 and 4, the second crushed stone layer 16 is composed of graded crushed stones as a main component by landfill at the time of construction. A plurality of second drainage pipes 18 with lengths extending along the width direction of the blind ditch are pre-embedded in the second gravel layer 16, the plurality of second drainage pipes 18 are uniformly distributed along the length direction of the blind ditch, the second drainage pipes are communicated with Contraband-shaped connecting pipes, the connecting pipes are pre-embedded in the wall, and one ends of the connecting pipes penetrate through the wall and are communicated with indoor drainage channels (not shown in the figure). The periphery of the second drain pipe 18 is provided with a spillway hole 19, and the periphery of the second drain pipe 18 is wrapped with a second isolation cloth for blocking the spillway hole 19 by sand and stone, and the second isolation cloth is geotextile. So that the groundwater permeates into the second crushed stone layer 16 and is guided away to an indoor drainage channel (not shown) through the second drainage pipe 18, thereby reducing the content of groundwater in the blind drain.
The periphery of the second gravel layer 16 is coated with a second separation cloth 20, the second separation cloth 20 is geotextile, and the second separation cloth 20 separates the second gravel layer 16 from the clay layer 17, so that the clay layer 17 and the second gravel layer 16 are not easy to mix with each other, and the integrity of the clay layer 17 and the water permeability of the second gravel layer 16 are ensured.
The bottom layer 15, the second rubble layer 16, the clay layer 17, the concrete layer 13, the first rubble layer 1, the foundation pit backfill layer 4 and the pavement layer 9 are all provided with foundation pit slope layers 21 on the sides far away from the wall 14, so that the integrity among the layers is improved.
The implementation principle and the beneficial effects of the embodiment are as follows:
when the drainage blind ditch is installed, the preparation numbers of the bottom layer 15, the clay layer 17 and the concrete layer 13 which are poured in advance are inserted into the first gravel layer 1 and the second gravel layer 16 according to steps for filling, so that the installation efficiency of the blind ditch is improved; when groundwater extrudes a building, the first gravel layer 1 and the second gravel layer 16 permeate the groundwater, and the groundwater is drained through the first drain pipe 2 and the second drain pipe 18 respectively, so that the groundwater content in a foundation pit is reduced, the building is not easy to float upwards due to buoyancy of the groundwater, and the foundation pit backfill layer 4 is not easy to be wet due to the groundwater, so that the foundation pit backfill layer 4 is not easy to be wet and dispersed; the reinforcing component in the foundation pit backfill layer 4 strengthens the bearing capacity of the foundation pit backfill layer 4, and limits the foundation pit backfill layer 4 to be not easy to scatter through the rope net 7, the hydrophobicity of the foundation pit backfill layer 4 is increased through the glass beads 8, so that when the foundation pit backfill layer 4 receives heavier pressure, the foundation pit backfill layer 4 is not easy to collapse, underground water is not easy to seep into the foundation pit backfill layer 4, the foundation pit backfill layer 4 is not easy to contain water with overlarge water content and concave water content, and the foundation pit is not easy to collapse.
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 high strength assembled drainage french drain structure which characterized in that: the reinforcement structure comprises a first gravel layer (1), wherein a first drainage pipe (2) extending along the length direction of a blind ditch is laid in the first gravel layer (1), a plurality of water permeable holes (3) are formed in the peripheral sides of the first drainage pipe (2), a foundation pit backfill layer (4) is laid above the first gravel layer (1), and a plurality of groups of reinforcement components are pre-buried in the foundation pit backfill layer (4);
the reinforcing component comprises a reinforcing rod (5) and two reinforcing disks (6), the two reinforcing disks (6) are opposite and horizontal, the reinforcing rod (5) is vertical, two ends of the reinforcing rod are fixed with the two reinforcing disks (6) respectively, a plurality of rope nets (7) are embedded in the foundation pit backfill layer (4), and nodes of the rope nets (7) are fixed with the reinforcing rod (5).
2. A high strength fabricated drain blind structure according to claim 1, wherein: and a plurality of glass beads (8) for improving the hydrophobicity of the foundation pit backfill layer (4) are uniformly distributed on the rope net (7).
3. A high strength fabricated drain blind structure according to claim 1, wherein: and a waterproof pavement layer (9) is paved on the foundation pit backfill layer (4).
4. A high strength fabricated drain blind structure according to claim 3, wherein: and a plurality of drainage ditches (10) are formed in the surface of the road surface layer (9).
5. A high strength fabricated drain blind structure according to claim 1, wherein: the periphery of the first drainage pipe (2) is coated with first isolation cloth (11) for isolating gravels.
6. A high strength fabricated drain blind structure according to claim 5, wherein: a first separation cloth (12) used for separating the first gravel layer (1) is laid on the periphery of the first gravel layer (1).
7. A high strength fabricated drain blind structure according to claim 1, wherein: and a concrete layer (13) is laid at the bottom of the first gravel layer (1).
8. A high strength fabricated drain blind structure according to claim 7, wherein: and the surface of the concrete layer (13) is coated with a waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042314.2U CN210658404U (en) | 2019-07-04 | 2019-07-04 | High-strength assembly type drainage blind ditch structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042314.2U CN210658404U (en) | 2019-07-04 | 2019-07-04 | High-strength assembly type drainage blind ditch structure |
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| CN210658404U true CN210658404U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250223A (en) * | 2021-05-31 | 2021-08-13 | 上海宝冶集团有限公司 | Construction method for metallurgical concrete tank body without using anti-floating anchor rod |
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2019
- 2019-07-04 CN CN201921042314.2U patent/CN210658404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250223A (en) * | 2021-05-31 | 2021-08-13 | 上海宝冶集团有限公司 | Construction method for metallurgical concrete tank body without using anti-floating anchor rod |
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