CN220318712U - Soil rainwater drainage structure - Google Patents
Soil rainwater drainage structure Download PDFInfo
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- CN220318712U CN220318712U CN202322029288.2U CN202322029288U CN220318712U CN 220318712 U CN220318712 U CN 220318712U CN 202322029288 U CN202322029288 U CN 202322029288U CN 220318712 U CN220318712 U CN 220318712U
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- water
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- rainwater
- drainage
- dispersing
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- 239000002689 soil Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000007689 inspection Methods 0.000 claims abstract description 36
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004746 geotextile Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Sewage (AREA)
Abstract
A soil rainwater drainage structure belongs to the technical field of rainwater seepage. The outdoor floor drainage system comprises a water dispersing structure, a rainwater inspection well structure, an inner drainage structure and an outer drainage structure which are arranged under the outdoor floor, wherein the inner drainage structure is arranged between the water dispersing structure and the rainwater inspection well structure under the outdoor floor, and the outer drainage structure is arranged outside the rainwater inspection well structure; the water scattering structure is provided with a water scattering overflow collecting layer and a water scattering and hydrophobic layer, the inner water draining structure is provided with an inner overflow collecting layer and an inner hydrophobic layer, and the outer water draining structure is provided with an outer hydrophobic layer; the inside overflow collecting layer is arranged above the soil body. According to the utility model, through the water dispersing structure, the inner side water draining structure and the outer side water draining structure, the buffer time can be reserved for the impact of initial rainwater load on a pipe network, meanwhile, the rainwater drainage quality can be improved, and the rainwater suspension is reduced; the original structure in the urban district can be utilized to the greatest extent, and the building requirements of landscape design are met to the greatest extent.
Description
Technical Field
The utility model belongs to the technical field of rainwater seepage, and particularly relates to a soil rainwater drainage structure.
Background
In urban communities, ground rainfall and community roof water fall into the water mainly through municipal rainwater pipe networks for drainage; in the rainfall process, rainwater can directly enter a municipal rainwater pipe network in a community through a conventional rain inlet and the like and is transmitted to a large municipal rainwater pipe network outside a land block; rainwater can carry out continuous impact to municipal rainwater pipe network in the district, and the suspended solid that exists in the rainwater also can get into the pipe network, piles up in the pipe network, influences the follow-up drainage of pipe network.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present utility model is to provide a soil rainwater drainage structure capable of reducing impact on a municipal pipe network at an initial stage of rainwater drainage, purifying rainwater, improving drainage water quality, and reducing suspended matters in the rainwater.
The utility model provides the following technical scheme: the soil rainwater drainage structure comprises a water dispersing structure, a rainwater inspection well structure, an inner drainage structure and an outer drainage structure which are arranged below an outdoor terrace, wherein the inner drainage structure is arranged between the water dispersing structure and the rainwater inspection well structure below the outdoor terrace, and the outer drainage structure is arranged outside the rainwater inspection well structure; the water scattering structure is provided with a water scattering overflow collecting layer and a water scattering and hydrophobic layer, the inner water draining structure is provided with an inner overflow collecting layer and an inner hydrophobic layer, and the outer water draining structure is provided with an outer hydrophobic layer;
the inner overflow collecting layer is arranged above the soil body, and the scattered water overflow collecting layer, the inner overflow collecting layer and the inside of the rainwater inspection well structure are sequentially communicated; the water-dispersing and hydrophobic layer, the inner water-dispersing layer and the inner part of the rainwater inspection well structure are sequentially communicated, and the inner part of the rainwater inspection well structure is communicated with the outer water-dispersing layer.
Further, the water dispersing structure sequentially comprises a water dispersing base, a water dispersing overflow collecting layer, a water dispersing and draining layer, a water dispersing filter material layer, a water dispersing covering layer and a water dispersing water storage layer from bottom to top; a drain pipe is arranged in the scattered water overflow collecting layer, and a blind pipe is arranged in the scattered water hydrophobic layer.
Further, the inner side drainage structure sequentially comprises an inner side overflow collecting layer, an inner side hydrophobic layer, an inner side filter material layer, an inner side covering layer and an inner side water storage layer from bottom to top; a drain pipe is arranged in the inner overflow collecting layer, and a blind pipe is arranged in the inner hydrophobic layer.
Furthermore, one side of the water scattering base extends to the lower part of the inner overflow collecting layer, and a soil space is reserved between the outer side of the water scattering base and the wall body of the rainwater inspection well structure, so that the inner overflow collecting layer is directly contacted with the soil below.
Further, the outer drainage structure comprises an outer overflow collecting layer, an outer hydrophobic layer, an outer filter material layer, an outer covering layer and an outer water storage layer from bottom to top in sequence; blind pipes are arranged in the outer hydrophobic layer.
Furthermore, the inside of the rainwater inspection well structure is communicated with the main pipe inspection well through a pipeline.
Further, the roof downpipe is positioned above the water scattering structure.
By adopting the technology, compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the water scattering structure, the inner drainage structure and the outer drainage structure, drained rainwater can be drained into soil at the early stage of rainfall, buffer time can be reserved for impact of initial rainwater load on a pipe network, the initial rainwater is treated by surface runoff and infiltration, and the surface runoff flows through greening lawns and the rainwater soil infiltration are beneficial to improvement of rainwater drainage quality, so that rainwater suspended matters are reduced; after the water content of the soil is saturated, the filtered rainwater can be guided into a municipal pipe network through a blind pipe, so that rainwater drainage is realized; the structural design can utilize the original structure in the urban district to the greatest extent, facilities such as sponge are not required to be additionally added, and the construction requirements of landscape design are met to the greatest extent while the technical requirements of' seepage, stagnation, storage, purification, discharge and the like of sponge cities are met.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic diagram of a rain flow line at the early stage of rainfall;
FIG. 3 is a schematic representation of the rain water flow line after saturation of the soil with water.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
On the contrary, the utility model is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the utility model as defined by the appended claims. Further, in the following detailed description of the present utility model, certain specific details are set forth in order to provide a better understanding of the present utility model. The present utility model will be fully understood by those skilled in the art without the details described herein.
Referring to fig. 1-3, a soil rainwater drainage structure comprises a water dispersing structure 1, a rainwater inspection well structure 2, an inner side drainage structure 3 and an outer side drainage structure 4 which are arranged under an outdoor terrace; the water scattering structure 1 is arranged at the footing of the periphery of the building outer wall, the roof downpipe 5 is arranged above the water scattering structure 1, the rainwater inspection well structure 2 is arranged at the outer side of the water scattering structure 1, the inner side drainage structure 3 is arranged between the water scattering structure 1 and the rainwater inspection well structure 2 under the outdoor terrace, and the outer side drainage structure 4 is arranged at the outer side of the rainwater inspection well structure 2.
Specifically, the water dispersing structure 1 sequentially comprises a water dispersing base 106, a water dispersing overflow collecting layer 101, a water dispersing and draining layer 102, a water dispersing filter layer 103, a water dispersing cover layer 104 and a water dispersing and storing layer 105 from bottom to top; a drain pipe is arranged in the scattered water overflow collecting layer 101, and a blind pipe is arranged in the scattered water hydrophobic layer 102;
wherein: the water scattering base 106 is 15cm C25 plain concrete, and the water scattering overflow collecting layer 101 is used as a water scattering side ditch of a building; the water-dispersing and hydrophobic layer 102 adopts a 10cm ∅ and 10-15 gravel layer, is covered with geotextile, and is internally provided with ∅ blind pipes, and the interval between the blind pipes is 1.5m; the sand content in the water scattering filter layer 103 is 50%; the water scattering cover layer 104 is 30cm planting soil; the water aquifer 105 was a 15cm, ∅ -40 black polished surface cobble interspersed.
Specifically, the wall body of rainwater inspection shaft structure 2 adopts brick/steel concrete 240, and its inside is through ∅ 300 rainwater drain pipe intercommunication rainwater owner pipe inspection shaft, and inside top sets up prevents weighing down the net, and the top sets up 10mm thick stainless steel rainwater well lid, well lid trompil.
Specifically, the inner drainage structure 3 includes, in order from bottom to top, an inner overflow collecting layer 301, an inner hydrophobic layer 302, an inner filter layer 303, an inner cover layer 304, and an inner aquifer 305; a drain pipe is arranged in the inner overflow collecting layer 301, and a blind pipe is arranged in the inner hydrophobic layer 302. Wherein:
the inner overflow collecting layer 301 is connected to the rainwater inspection well nearby by adopting a ∅ PVC drain pipe; the inner hydrophobic layer 302 adopts a 20cm ∅ 10-15 gravel layer, is covered with geotextile, and is internally provided with ∅ blind pipes with a 1.5m interval.
One side of the water scattering base 106 extends below the inner overflow collecting layer 301, and a soil space is left between the outer side of the water scattering base and the wall of the rainwater inspection well structure 2, so that the inner overflow collecting layer 301 is directly contacted with the lower Fang Tuti, and rainwater penetrating into the soil below through the inner drainage structure 3 is facilitated.
Specifically, the outer drainage structure 4 includes, in order from bottom to top, an outer overflow collecting layer 401, an outer hydrophobic layer 402, an outer filter layer 403, an outer cover layer 404, and an outer aquifer 405; blind pipes are arranged in the outer hydrophobic layer 402. Wherein:
the outer hydrophobic layer 402 adopts a 20cm ∅ 10-15 gravel layer, is covered with geotextile, and is internally provided with ∅ blind pipes, and the interval between the blind pipes is 1.5m.
Specifically, the scattered water overflow collecting layer 101, the inner overflow collecting layer 301 and the inside of the rainwater inspection well structure 2 are communicated in sequence; the water-dispersing and hydrophobic layer 102, the inner water-dispersing layer 302 and the inner part of the rainwater inspection well structure 2 are communicated in sequence, and the inner part of the rainwater inspection well structure 2 is communicated with the outer water-dispersing layer 402.
During rainfall, the process of the rainwater constructed by the embodiment is as follows:
in the early stage of rainfall, the rainwater flow is small, the rainwater is firstly settled in soil body, then enters the inside of the rainwater inspection well structure 2 in an overflow mode, and is discharged into a rainwater main pipe inspection well through a rainwater drain pipe; in addition, the initial stage of the rainwater is treated by surface runoff and infiltration, and the surface runoff flows through the greening lawn and the infiltration of the rainwater soil is beneficial to the improvement of the rainwater drainage quality and the reduction of the rainwater suspended matters;
when the soil is saturated with water, a part of rainwater stays in the aquifer and the soil, the filtered and purified rainwater in the soil enters the rainwater inspection well structure 2 through the blind pipe, and is discharged into the rainwater main pipe inspection well through the rainwater drain pipe;
the technical scheme can maximally utilize the original structure of the cell, does not additionally add sponge facilities, and can maximally meet the construction requirements of landscape design while meeting the technical requirements of 'seepage, stagnation, storage, purification, discharge' and the like of sponge cities.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. A soil rainwater drainage structure which is characterized in that: the outdoor floor drainage system comprises a water dispersing structure, a rainwater inspection well structure, an inner drainage structure and an outer drainage structure which are arranged below the outdoor floor, wherein the inner drainage structure is arranged between the water dispersing structure and the rainwater inspection well structure below the outdoor floor, and the outer drainage structure is arranged outside the rainwater inspection well structure; the water scattering structure is provided with a water scattering overflow collecting layer and a water scattering and hydrophobic layer, the inner water draining structure is provided with an inner overflow collecting layer and an inner hydrophobic layer, and the outer water draining structure is provided with an outer hydrophobic layer;
the inner overflow collecting layer is arranged above the soil body, and the scattered water overflow collecting layer, the inner overflow collecting layer and the inside of the rainwater inspection well structure are sequentially communicated; the water-dispersing and hydrophobic layer, the inner water-dispersing layer and the inner part of the rainwater inspection well structure are sequentially communicated, and the inner part of the rainwater inspection well structure is communicated with the outer water-dispersing layer.
2. The soil rainwater drainage structure of claim 1, wherein the water dispersing structure comprises a water dispersing base, a water dispersing overflow collecting layer, a water dispersing and draining layer, a water dispersing filter material layer, a water dispersing covering layer and a water dispersing aquifer from bottom to top in sequence; a drain pipe is arranged in the scattered water overflow collecting layer, and a blind pipe is arranged in the scattered water hydrophobic layer.
3. The soil rain water drainage structure of claim 2, wherein the inner drainage structure comprises, in order from bottom to top, an inner overflow collection layer, an inner hydrophobic layer, an inner filter layer, an inner cover layer, and an inner aquifer; a drain pipe is arranged in the inner overflow collecting layer, and a blind pipe is arranged in the inner hydrophobic layer.
4. A soil rain drain structure according to claim 3, wherein one side of the water spreading base extends below the inner overflow collection layer, and a soil space is left between the outside thereof and the wall of the rain water inspection well structure, so that the inner overflow collection layer is in direct contact with the underlying soil.
5. A soil rain water drain structure according to claim 3, wherein the outer drain structure comprises, in order from bottom to top, an outer overflow collection layer, an outer hydrophobic layer, an outer filter layer, an outer cover layer, and an outer aquifer; blind pipes are arranged in the outer hydrophobic layer.
6. A soil stormwater drainage construction as claimed in claim 5, wherein the interior of the stormwater inspection well construction communicates with the main pipe inspection well via a pipe.
7. A soil stormwater drainage structure as claimed in claim 6, wherein the roof downpipe is located above the water spreading structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322029288.2U CN220318712U (en) | 2023-07-31 | 2023-07-31 | Soil rainwater drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322029288.2U CN220318712U (en) | 2023-07-31 | 2023-07-31 | Soil rainwater drainage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318712U true CN220318712U (en) | 2024-01-09 |
Family
ID=89423409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322029288.2U Active CN220318712U (en) | 2023-07-31 | 2023-07-31 | Soil rainwater drainage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318712U (en) |
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2023
- 2023-07-31 CN CN202322029288.2U patent/CN220318712U/en active Active
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