CN217231958U - Basement outer wall drainage device - Google Patents

Basement outer wall drainage device Download PDF

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Publication number
CN217231958U
CN217231958U CN202220154112.2U CN202220154112U CN217231958U CN 217231958 U CN217231958 U CN 217231958U CN 202220154112 U CN202220154112 U CN 202220154112U CN 217231958 U CN217231958 U CN 217231958U
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China
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basement
drainage
wall
layer
exterior wall
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CN202220154112.2U
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Chinese (zh)
Inventor
扈月信
张所宝
刘梦伟
饶丰
王振辉
胡跃
潘晓明
唐伟
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Cscec International Construction Co ltd
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Cscec International Construction Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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    • Y02A30/60—Planning or developing urban green infrastructure

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Abstract

The utility model discloses a basement outer wall drainage device, which comprises an outer wall drainage system and an outer wall drainage system; the outer wall drainage system comprises a waterproof layer laid on the outer wall of the basement and a drainage plate attached to the outer side of the waterproof layer and is used for enabling downward-seeping rainwater to slide down along the outer wall of the basement; the outer wall drainage system comprises a circle of drainage pipes laid around the outer side of the basement foundation, a first geotechnical cloth layer wrapped on the outer peripheral side of the drainage pipes, a gravel water filtering layer filled on the outer peripheral side of the first geotechnical cloth layer, a second geotechnical cloth layer laid on the top of the gravel water filtering layer, a backfill soil layer compacted on the top of the second geotechnical cloth layer and a water collecting well distributed on the outer side of the basement foundation; the peripheral surface of the drain pipe is uniformly provided with water inlet holes and is communicated with the water collecting well for collecting the downward-seeping rainwater in the water collecting well through the drain pipe. The drainage device is simple and convenient to construct, can reduce the permeation of rainwater to the basement outer wall, and improves the waterproof effect of the basement outer wall.

Description

Basement outer wall drainage device
Technical Field
The utility model relates to a housing construction technical field, concretely relates to basement outer wall dredges drainage device.
Background
With the further development of house building design and construction technology, single-layer and multi-layer basements are more and more common in the development of urbanization. In some areas, especially coastal areas and areas with large annual rainfall, the outer wall of the basement can be soaked by underground water and rainwater for a long time after the waterproof construction of the basement is completed.
In actual basement construction, two layers of waterproof coiled materials are mostly paved on an outer wall and a basement bottom plate, and a lap-joint paving mode is adopted to resist permeation of underground water and infiltration rainwater and meet waterproof requirements. Two layers of waterproof coiled materials are paved, so that the construction process is complicated, the paving quality control difficulty is high, and the waterproof coiled materials are easily influenced by the level of constructors, the quality of waterproof materials and the like. And, after basement waterproofing construction is accomplished and backfills, if the wall body has the infiltration point, the infiltration point will expand by a large scale because groundwater or rainwater have already penetrated the reason on waterproof coil layer, if dig the backfill fill again and mend the infiltration point, will lead to repairing cost very high, and cause the influence to the time limit for a project.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a drainage device is dredged to basement outer wall, this drainage device construction of dredging is simple and convenient, can reduce the rainwater to the soaking of basement outer wall, improves the water-proof effects of basement outer wall.
The utility model adopts the following specific technical proposal:
a basement outer wall drainage device comprises an outer wall drainage system and an outer wall drainage system;
the outer wall drainage system comprises a waterproof layer laid on the outer wall of the basement and a drainage plate attached to the outer side of the waterproof layer, and is used for enabling downward-seeped rainwater to slide down along the outer wall of the basement;
the outer wall drainage system comprises a circle of drainage pipes laid around the outer side of the basement foundation, a first geotextile layer wrapped on the outer peripheral side of the drainage pipes, a gravel water filtering layer filled on the outer peripheral side of the first geotextile layer, a second geotextile layer laid on the top of the gravel water filtering layer, a backfill soil layer compacted on the top of the second geotextile layer and a water collecting well distributed on the outer side of the basement foundation;
the peripheral surface of the drain pipe is uniformly provided with water inlet holes, is communicated with the water collecting well and is used for collecting the downward-seeping rainwater into the water collecting well through the drain pipe.
Further, the drain pipe has a slope of 1% in the extending direction of the drain pipe, and the drain pipe is lowest at the sump well.
Further, the slope of the hydrophobic plate between the basement outer wall and the drain pipe is 0.3%, and the height of the hydrophobic plate on the basement outer wall side is higher than that on the drain pipe side.
Further, the bottom of the water collecting well is at least 1m lower than the bottom surface of the basement foundation.
Furthermore, at least two water collecting wells are distributed along the peripheral side of the basement foundation.
Furthermore, a waterproof layer is additionally arranged at the corner of the basement outer wall.
Further, the waterproof layer comprises two layers of polyurethane modified asphalt waterproof coiled materials.
Further, the hydrophobic plate is a high density polyethylene hydrophobic plate.
Still further, the drain pipe is a HDPE drain pipe.
Furthermore, the inner wall of the water collecting well is provided with a steel ladder stand.
Has the advantages that:
the utility model discloses a basement outer wall drainage system and outer wall drainage system are adopted to basement outer wall drainage system, and outer wall drainage system includes waterproof layer and the hydrophobic board of laying in the basement outer wall, through covering the hydrophobic board outside the waterproof layer, can effectively dredge infiltration rainwater and groundwater to the drain pipe, improve the water-proof effects of basement outer wall; the outer wall drainage system comprises a drainage pipe and a water collection well which are laid outside a basement foundation, the drainage pipe adopts a mode of opening holes on the outer surface, peripheral downward-seeping rainwater and underground water are gathered in a large area to a pipeline, the permeation of the basement outer wall is reduced, meanwhile, the drainage pipe is wrapped by an inner layer of geotextile and an outer layer of geotextile and filtered by a gravel water filtering layer, and fine particles in a soil body can be effectively prevented from entering the drainage pipe along with water flow; through above-mentioned dredge drainage device can guarantee that the infiltration rainwater slides down along basement outer wall to in gathering the drain pipe buried underground, the rethread drain pipe collects the sump pit, finally draws water through the water pump and discharges into municipal pipe network. Therefore, the drainage device is simple and convenient to construct, can reduce the permeation of rainwater to the outer wall of the basement, improves the waterproof effect of the outer wall of the basement, and achieves a good waterproof effect in practice.
Drawings
FIG. 1 is a schematic structural view of the drainage device for basement exterior wall of the present invention;
FIG. 2 is a schematic cross-sectional view taken along section A-A of FIG. 1;
fig. 3 is a schematic cross-sectional view of a section B-B of the sump well of fig. 1.
Wherein, 0-building, 1-basement foundation, 2-basement exterior wall, 3-drain pipe, 4-water collecting well, 5-waterproof layer, 6-hydrophobic plate, 7-first geotechnical cloth layer, 8-gravel water filtering layer, 9-second geotechnical cloth layer, 10-backfill soil layer, 11-steel ladder stand, 12-well cover
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
As shown in the structures of fig. 1, 2 and 3, the utility model provides a basement outer wall drainage device, which comprises an outer wall drainage system and an outer wall drainage system;
as shown in the structures of fig. 1 and 2, an outer wall drainage system and an outer wall drainage system are arranged on the outer periphery side of the building 0; the building 0 comprises a basement and an overground part, wherein the basement comprises a basement foundation 1 and a basement outer wall 2; the outer wall drainage system comprises a waterproof layer 5 laid on the outer wall 2 of the basement and a drainage plate 6 attached to the outer side of the waterproof layer 5, and is used for enabling downward-seeping rainwater to slide down along the wall of the outer wall 2 of the basement; a waterproof layer 5 can be additionally arranged at the corner of the basement outer wall 2; asphalt primer can be arranged between the basement outer wall 2 and the waterproof layer 5; waterproof layer 5 is including the two-layer polyurethane modified asphalt waterproofing membrane of range upon range of setting, if: APP (atactic polypropylene) polyurethane modified asphalt waterproof coiled material; the thickness of each layer of polyurethane modified asphalt waterproof coiled material can be 3mm or 4 mm; the hydrophobic plate 6 is a high density polyethylene hydrophobic plate 6, such as: a high-density polyethylene hydrophobic plate 6 with small nodes;
as shown in the structure of fig. 1 and 2, the outer wall drainage system comprises a circle of drain pipes 3 laid around the outer side of the basement foundation 1, a first geotextile layer 7 wrapped on the outer peripheral side of the drain pipes 3, a gravel water-filtering layer 8 filled on the outer peripheral side of the first geotextile layer 7, a second geotextile layer 9 laid on the top of the gravel water-filtering layer 8, a backfill soil layer 10 compacted on the top of the second geotextile layer 9, and water collecting wells 4 distributed on the outer side of the basement foundation 1; the two geotechnical cloth layers can effectively prevent fine particles in the soil from entering the drain pipe 3 and the water collecting well 4 along with water flow; the drain pipe 3 can be a High Density Polyethylene (HDPE) drain pipe 3 or a plastic pipe made of other materials; as shown in the structure of fig. 3, the well mouth of the water collecting well is covered with a well cover 12;
the peripheral surface of the drain pipe 3 is uniformly provided with water inlet holes and is communicated with the water collecting well 4, so that the downward-seeping rainwater is gathered in the water collecting well 4 through the drain pipe 3; through distributing in the inlet opening of drain pipe 3, can make the rainwater that gets into in rubble drainage layer 8 get into drain pipe 3, and then in leading-in sump pit 4 through drain pipe 3.
The basement outer wall drainage device comprises an outer wall drainage system and an outer wall drainage system, wherein the outer wall drainage system comprises a waterproof layer 5 and a drainage plate 6 which are laid on the basement outer wall 2, and the drainage plate 6 covers the waterproof layer 5, so that the downward-permeating rainwater and the underground water can be effectively drained into the drainage pipe 3, the downward-permeating rainwater and the underground water are prevented from permeating the basement outer wall 2, and the waterproof effect of the basement outer wall 2 is improved; the outer wall drainage system comprises a drainage pipe 3 and a water collecting well 4 which are laid on the outer side of a basement foundation 1, the drainage pipe 3 adopts a mode of opening holes on the outer surface, peripheral infiltration rainwater and underground water are gathered in a large area to a pipeline, the infiltration rainwater and the underground water are guided into the water collecting well 4 through the drainage pipe 3, the infiltration of the basement outer wall 2 is reduced, meanwhile, the drainage pipe 3 is wrapped by an inner layer of geotextile and an outer layer of geotextile and filtered by a gravel water filtering layer 8, and fine particles in a soil body can be effectively prevented from flowing into the drainage pipe 3 along with water; the drainage device can ensure that the downward-seeping rainwater slides down along the wall 2 of the basement outer wall and is gathered in the buried drain pipe 3, and then the rainwater is collected in the water collecting well 4 through the drain pipe 3 and finally pumped into the municipal pipe network through the water pump. Therefore, the drainage device is simple and convenient to construct, can reduce the permeation of rainwater to the basement outer wall 2, improves the waterproof effect of the basement outer wall 2, and achieves a good waterproof effect in practice.
In order to ensure that the infiltration rainwater can smoothly flow to the water collecting well 4 in the drain pipe 3, the slope adjustment can be performed according to the length of the pipeline, the slope of the drain pipe 3 can be 1% along the extending direction of the drain pipe 3, and the position of the drain pipe 3 at the water collecting well 4 is lowest, so that the water entering the drain pipe 3 can smoothly flow into the water collecting well 4 under the action of the self weight.
Similarly, in order to enable the downward-seeping rainwater to smoothly enter the drain pipe 3, the gradient of the drainage plate 6 between the basement outer wall 2 and the drain pipe 3 is 0.3%, and the height of the drainage plate 6 on one side of the basement outer wall 2 is higher than that on one side of the drain pipe 3; because the height of the hydrophobic plate 6 on one side of the basement outer wall 2 is higher than that on one side of the drain pipe 3, and the hydrophobic plate has a slope, the downward-seeping rainwater can smoothly enter the drain pipe 3 under the action of self weight.
In order to make the external wall drainage system achieve the purpose of collecting the infiltration rainwater or the underground water, the bottom of the water collecting well 4 is at least 1m lower than the bottom surface of the basement foundation 1, that is, the water collecting well 4 needs to have a certain water capacity while ensuring that the infiltration rainwater can smoothly enter the water collecting well 4 through the drain pipe 3. During actual use, the boundary and the elevation of the basement foundation 1 can be determined according to design drawings, and the position of the water collecting well 4 and the elevation of the bottom of the water collecting well 4 are determined by combining outdoor engineering design.
As shown in the structure of fig. 1, at least two water collecting wells 4 are distributed along the peripheral side of the basement foundation 1, and the two water collecting wells 4 are arranged diagonally, so that the water entering the drainage pipe 3 can flow into the water collecting wells 4 as soon as possible. The number of the water collecting wells 4 may be determined according to the floor area of the building 0, and when the floor area of the building 0 is large, a plurality of water collecting wells 4 may be provided.
Meanwhile, as shown in the structure of fig. 3, the inner wall of the water collecting well 4 is provided with a steel ladder 11, and a person can conveniently enter the water collecting well 4 to clean or maintain through the steel ladder 11 arranged on the well wall.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A basement exterior wall drainage device is characterized by comprising an exterior wall drainage system and an exterior wall drainage system;
the outer wall drainage system comprises a waterproof layer laid on the outer wall of the basement and a drainage plate attached to the outer side of the waterproof layer, and is used for enabling downward-seeping rainwater to slide down along the outer wall of the basement;
the outer wall drainage system comprises a circle of drainage pipes laid around the outer side of the basement foundation, a first geotechnical cloth layer wrapped on the outer peripheral side of the drainage pipes, a gravel water filtering layer filled on the outer peripheral side of the first geotechnical cloth layer, a second geotechnical cloth layer laid on the top of the gravel water filtering layer, a backfill soil layer compacted on the top of the second geotechnical cloth layer and a water collecting well distributed on the outer side of the basement foundation;
and water inlet holes are uniformly formed in the peripheral surface of the drain pipe, are communicated with the water collecting well and are used for collecting the infiltration rainwater into the water collecting well through the drain pipe.
2. The exterior wall drainage apparatus of basement as claimed in claim 1, wherein the slope of said drainage pipe is 1% along the extension direction of said drainage pipe, and the position of said drainage pipe at said water collecting well is lowest.
3. The exterior wall drainage apparatus of claim 1, wherein a gradient of a hydrophobic plate between the exterior wall of the basement and the drainage pipe is 0.3%, and a height of the hydrophobic plate on the exterior wall side of the basement is higher than a height of the hydrophobic plate on the drainage pipe side.
4. The exterior wall drainage device of basement as claimed in claim 1, wherein the bottom of said water collecting well is at least 1m lower than the bottom of basement foundation.
5. The exterior wall drainage device of basement as claimed in claim 1, wherein at least two of said water collecting wells are distributed along the peripheral side of basement foundation.
6. The exterior wall drainage device of claim 1, wherein a waterproof layer is added at the corner of the exterior wall of the basement.
7. The hydrophobic drainage device for the basement exterior wall according to any one of claims 1 to 6, wherein the waterproof layer comprises two layers of polyurethane modified asphalt waterproof coiled materials.
8. The hydrophobic and draining device for basement exterior wall according to any one of claims 1 to 6, wherein said hydrophobic board is a high density polyethylene hydrophobic board.
9. The hydrophobic drainage apparatus of any one of claims 1-6, wherein the drainage pipe is a HDPE drainage pipe.
10. The hydrophobic drainage device for the outer wall of the basement as claimed in any one of claims 1 to 6, wherein the inner wall of the water collecting well is provided with a steel ladder.
CN202220154112.2U 2022-01-20 2022-01-20 Basement outer wall drainage device Active CN217231958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220154112.2U CN217231958U (en) 2022-01-20 2022-01-20 Basement outer wall drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220154112.2U CN217231958U (en) 2022-01-20 2022-01-20 Basement outer wall drainage device

Publications (1)

Publication Number Publication Date
CN217231958U true CN217231958U (en) 2022-08-19

Family

ID=82832650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220154112.2U Active CN217231958U (en) 2022-01-20 2022-01-20 Basement outer wall drainage device

Country Status (1)

Country Link
CN (1) CN217231958U (en)

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