CN208023593U - A kind of foundation pit fertilizer slot backfill structure in sponge city - Google Patents
A kind of foundation pit fertilizer slot backfill structure in sponge city Download PDFInfo
- Publication number
- CN208023593U CN208023593U CN201820437702.XU CN201820437702U CN208023593U CN 208023593 U CN208023593 U CN 208023593U CN 201820437702 U CN201820437702 U CN 201820437702U CN 208023593 U CN208023593 U CN 208023593U
- Authority
- CN
- China
- Prior art keywords
- clay layer
- layer
- foundation pit
- clay
- retaining wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of foundation pit fertilizer slots in sponge city to backfill structure, belongs to foundation pit fertilizer slot backfill technical field, carrys out security risk to ground generation buoyant belt for solving the problems, such as that sponge urban rainwater is deposited to.The utility model includes, non- permeable stratum, main body bottom plate and retaining wall, the retaining wall is connected with each other with main body bottom plate, it is provided with braced wall on the outside of the retaining wall, space between the braced wall and retaining wall is disposed with the first clay layer and the second clay layer from bottom to up, second clay layer is provided with multiple rain water storages and oozes device, it is provided with above second clay layer and oozes the interconnected dmp filter collecting layer of device with rain water storage, permeable ground is provided with above the dmp filter collector.The utility model utilizes existing foundation pit, is backfilled to fertile slot, saves device, broad covered area without individually carrying out excavation pit setting rainwater, each corner of design city is suitable for promoting.
Description
Technical field
The utility model is related to foundation pit fertilizer slots to backfill technical field, more particularly to a kind of foundation pit fertilizer in sponge city
Slot backfills structure.
Background technology
Sponge city is new generation of city storm water man- agement concept, refers to that city is adapting to environmental change and reply rainwater band
Natural calamity come etc. has good " elasticity ", also referred to as " water elasticity city ".Rain when water suction, water storage, ooze
Water, water purification by the water stored " release " and are used when needing, and solve seriously affect civil plantation and city life very well
The waterlogging of production.
But the general construction procedure in sponge city in the prior art typically individually establishes water-absorbing-retaining layer, it is existing
Independent excavation pit setting savings facility, the lower layer in sponge city is needed to be set as non-pervious bed in technology, rain penetration is arrived
Bottom, a large amount of rainwater are accumulated in the intersection of main body bottom plate and non-pervious bed, and water can will produce buoyancy to ground, make sponge city
City builds ground shakiness, brings security risk, therefore also needs to setting anti-floating facility, but by adding anti-floating facility just significantly
Increase construction cost.
Utility model content
The purpose of this utility model is that：It is deposited to the next safety of ground generation buoyant belt to solve sponge urban rainwater
The problem of hidden danger, the utility model provide a kind of foundation pit fertilizer slot backfill structure in sponge city.
The utility model specifically uses following technical scheme to achieve the goals above：
A kind of foundation pit fertilizer slot backfill structure in sponge city, including non-permeable stratum, main body bottom plate and retaining wall, the gear
Cob wall is connected with each other with main body bottom plate, which is characterized in that braced wall, the braced wall and gear are provided on the outside of the retaining wall
Space between cob wall is disposed with the first clay layer and the second clay layer from bottom to up, and second clay layer is provided with more
A rain water storage oozes device, is provided with above second clay layer and oozes the interconnected dmp filter collection of device with rain water storage
Layer, the dmp filter collector top are provided with permeable ground.
Preferably, non-pervious bed is provided with weeper drain below first clay layer, it, will to exclude underground water
The ponding of non-permeable layer surface excludes, and avoids underground water accumulation from generating buoyancy to ground, causes security risk.
Preferably, first clay layer uses 1.0-1.5m thick soil layers or plain concrete water barrier, and clay compactness
>=94%, it ensure that rigidity, intensity, stability and the smoothness on road surface, ensure the backfill quality of foundation pit, extend ground road surface
Service life.
Preferably, second clay layer is carried out using the method for clay compaction in layers backfill or soil cement, plain concrete backfill
Backfill, and clay compactness >=94%, back-filling in layers are easily installed rain water storage and ooze device, at the same ensure that road surface rigidity,
Intensity, stability and smoothness ensure the backfill quality of foundation pit, extend the service life on ground road surface.
Preferably, vertical direction is provided with multiple rain water storages and oozes device in the second clay layer, and two neighboring rain water storage oozes
Device is interconnected so that and it can also meet the needs of savings in heavy rainfall, while be stored convenient for the centralized collection of rainwater, with
And the concentration when needing to use is allocated.
Preferably, dmp filter collecting layer lower end is additionally provided with PE water-separating films, avoids rainwater straight by permeable stratum
It connects and enters in the second clay layer or permeate retaining wall.
The operation principle and the course of work of the utility model be:
Foundation pit refers to the foundation excavation of large area, generally isolated footing or raft foundation, and fertile slot refers to foundation construction
The general space all between side slope is called fertile slot after excavation of foundation pit, the backfill of fertile slot be after main body foundation pit construction,
Space between agent structure column and the side slope of expense permeability formation backfills.In sponge urban construction, the main body of foundation pit
It is non-pervious bed below bottom plate, between main body bottom plate and non-pervious bed, the rainwater of accumulation generates ground for part rain penetration
Buoyancy brings security risk.The utility model by the way that in the outside of foundation pit, the side wall against non-pervious bed is provided with braced wall,
The depth of braced wall is more than the depth of main body foundation pit, and the space between agent structure and braced wall is disposed with from top to bottom
First clay layer and the second clay layer are additionally provided with dmp filter collecting layer above the second clay layer and main body foundation pit,
Permeable ground is additionally provided with above dmp filter collecting layer, be then above permeable ground afforestation vegetation layer, pervious floor tile and
Concrete etc..
Rainwater from sky landing after a moving line figure be：Rainwater drops to the afforestation vegetation layer of earth's surface, dankly
On brick or concrete, then passes through the infiltration of permeable ground, enter in dmp filter collecting layer, subsequently enter rain water storage
Device centralized collection is oozed, rain water storage oozes device and is connected with greening with water or city planting ductwork, is convenient for city unified allocation of resources, by collection
Water rationally utilizes the place needed with water.Vertical direction in the second clay layer is provided with multiple rain water storages and oozes device, is dropping
It can also meet receiving demand, the second clay layer and the first clay layer dg/*refg*/s long grounds road when the larger heavy showers of water
The service life in face；Non- pervious bed is provided with weeper drain below the first clay layer, it, will be non-to exclude underground water
The ponding on water layer surface excludes, and avoids underground water accumulation from generating buoyancy to ground, causes security risk.It is collected by dmp filter
Layer, the second clay layer, the first clay layer, rain water storage ooze device, weeper drain and braced wall, and precipitation is guided collection,
The contact surface that precipitation enters foundation pit and non-pervious bed is effectively prevented, foundation pit backfills quality assurance, can be arranged to avoid surface water
Enter, while also avoiding side wall leak and anti-floating problem, measure of anti float expense can be saved.
The beneficial effects of the utility model are as follows：
1, the utility model utilizes existing foundation pit, is backfilled to fertile slot, and rainwater is arranged without individually carrying out excavation pit
Device, broad covered area are saved, each corner of design city is suitable for promoting；By rainwater-collecting to the green planted city cities Shui Huo
The connected rain water storage of political affairs webmaster oozes in device, is convenient for rainwater centralized collection and use；Avoiding surface water is drained into base simultaneously
In hole, the leak of agent structure column and water is avoided to accumulate the anti-floating problem brought at main body bottom plate, saves measure of anti float expense.
2, the compactness of the first clay layer and the second clay layer ensure that the rigidity on road surface, intensity, stability and steady
Degree ensures the backfill quality of foundation pit, extends the service life on ground road surface.
3, the second clay layer is by the way of compaction in layers backfill, and during backfill, phase is arranged in different height layer
Intercommunicated rain water storage oozes device, and the installation of device is oozed convenient for rain water storage.
4, by the way that weeper drain is arranged, to exclude underground water, the ponding of non-permeable layer surface is excluded, underground water is avoided
Accumulation generates buoyancy to ground, causes security risk.
6, by the way that PE water-separating films are arranged, rainwater is collected into rain water storage by dmp filter layer and oozes utilization rate in device more
Height avoids rainwater from being entered directly into after pervious bed in the second clay layer.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Reference numeral：The non-permeable stratums of 1-, 2- weeper drains, the first clay layers of 3-, 4- braced walls, the second clay layers of 5-,
6- pervious floor tiles, 7- afforestation vegetation layers, 8- permeable grounds, 9- dmp filters collecting layer, 10-PE water-separating films, 11- rain water storages ooze dress
It sets, 12- retaining walls, 13- main body bottom plates.
Specific implementation mode
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
The foundation pit fertilizer slot in the sponge city of the utility model backfills structure, including non-permeable stratum 1, main body bottom plate 13 and gear
Cob wall 12, the retaining wall 12 are connected with each other with main body bottom plate 13, and the outside of the retaining wall 12 is provided with braced wall 4, described
Space between braced wall 4 and retaining wall 12 is disposed with the first clay layer 3 and the second clay layer 5 from bottom to up, and described
Two clay layers 5 are provided with multiple rain water storages and ooze device 11, and second clay layer, 5 top is provided with oozes 11 phase of device with rain water storage
Intercommunicated dmp filter collecting layer 9,9 top of the dmp filter collecting layer are provided with permeable ground 8.
Preferably, first clay layer, 3 lower section is provided with weeper drain 2 positioned at non-permeable stratum 1.
Preferably, clay layer or plain concrete water barrier of first clay layer 3 using 1.0-1.5m thickness, and clay
Compactness >=94% of layer.
Preferably, second clay layer 5 is using clay compaction in layers backfill or the method for soil cement, plain concrete backfill
It is backfilled, and compactness >=94% of clay layer.
Preferably, vertical direction is provided with multiple rain water storages and oozes device 11, two neighboring rain in the second clay layer 5
Water storage oozes device 11 and is interconnected.
Preferably, 9 lower end of dmp filter collecting layer is additionally provided with PE water-separating films 10.
Embodiment 1
The foundation pit fertilizer slot in the sponge city of the utility model backfills structure, including non-permeable stratum 1, main body bottom plate 13 and gear
Cob wall 12, the retaining wall 12 are connected with each other with main body bottom plate 13, and the outside of the retaining wall 12 is provided with braced wall 4, described
Space between braced wall 4 and retaining wall 12 is disposed with the first clay layer 3 and the second clay layer 5 from bottom to up, and described
Two clay layers 5 are provided with multiple rain water storages and ooze device 11, and second clay layer, 5 top is provided with oozes 11 phase of device with rain water storage
Intercommunicated dmp filter collecting layer 9,9 top of the dmp filter collecting layer are provided with permeable ground 8.
Preferably, first clay layer, 3 lower section is provided with weeper drain 2 positioned at non-permeable stratum 1.
Preferably, clay layers or plain concrete water barrier of first clay layer 3 using 1.0 thickness, and clay layer
Compactness is 94%.
Preferably, second clay layer 5 is using clay compaction in layers backfill or the method for soil cement, plain concrete backfill
It is backfilled, and the compactness of clay layer is 94%.
Preferably, vertical direction is provided with multiple rain water storages and oozes device 11, two neighboring rain in the second clay layer 5
Water storage oozes device 11 and is interconnected.
Preferably, 9 lower end of dmp filter collecting layer is additionally provided with PE water-separating films 10.
Embodiment 2
The foundation pit fertilizer slot in the sponge city of the utility model backfills structure, including non-permeable stratum 1, main body bottom plate 13 and gear
Cob wall 12, the retaining wall 12 are connected with each other with main body bottom plate 13, and the outside of the retaining wall 12 is provided with braced wall 4, described
Space between braced wall 4 and retaining wall 12 is disposed with the first clay layer 3 and the second clay layer 5 from bottom to up, and described
Two clay layers 5 are provided with multiple rain water storages and ooze device 11, and second clay layer, 5 top is provided with oozes 11 phase of device with rain water storage
Intercommunicated dmp filter collecting layer 9,9 top of the dmp filter collecting layer are provided with permeable ground 8.
Preferably, first clay layer, 3 lower section is provided with weeper drain 2 positioned at non-permeable stratum 1.
Preferably, clay layer or plain concrete water barrier of first clay layer 3 using 1.3m thickness, and clay layer
Compactness is 96%.
Preferably, second clay layer 5 is using clay compaction in layers backfill or the method for soil cement, plain concrete backfill
It is backfilled, and the compactness of clay layer is 96%.
Preferably, vertical direction is provided with multiple rain water storages and oozes device 11, two neighboring rain in the second clay layer 5
Water storage oozes device 11 and is interconnected.
Preferably, 9 lower end of dmp filter collecting layer is additionally provided with PE water-separating films 10.
Embodiment 3
The foundation pit fertilizer slot in the sponge city of the utility model backfills structure, including non-permeable stratum 1, main body bottom plate 13 and gear
Cob wall 12, the retaining wall 12 are connected with each other with main body bottom plate 13, and the outside of the retaining wall 12 is provided with braced wall 4, described
Space between braced wall 4 and retaining wall 12 is disposed with the first clay layer 3 and the second clay layer 5 from bottom to up, and described
Two clay layers 5 are provided with multiple rain water storages and ooze device 11, and second clay layer, 5 top is provided with oozes 11 phase of device with rain water storage
Intercommunicated dmp filter collecting layer 9,9 top of the dmp filter collecting layer are provided with permeable ground 8.
Preferably, first clay layer, 3 lower section is provided with weeper drain 2 positioned at non-permeable stratum 1.
Preferably, clay layer or plain concrete water barrier of first clay layer 3 using 1.5m thickness, and clay layer
Compactness is 100%.
Preferably, second clay layer 5 is using clay compaction in layers backfill or the method for soil cement, plain concrete backfill
It is backfilled, and the compactness of clay layer is 100%.
Preferably, vertical direction is provided with multiple rain water storages and oozes device 11, two neighboring rain in the second clay layer 5
Water storage oozes device 11 and is interconnected.
Preferably, 9 lower end of dmp filter collecting layer is additionally provided with PE water-separating films 10.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by every specification and accompanying drawing content with the utility model
Structure change similarly should be included in the scope of protection of the utility model.
Claims (6)
1. a kind of foundation pit fertilizer slot in sponge city backfills structure, including non-permeable stratum (1), main body bottom plate (13) and retaining wall
(12), the retaining wall (12) is connected with each other with main body bottom plate (13), which is characterized in that the outside of the retaining wall (12) is arranged
There are braced wall (4), the space between the braced wall (4) and retaining wall (12) to be disposed with the first clay layer from bottom to up
(3) multiple rain water storages are provided with and ooze device (11), second clay layer with the second clay layer (5), second clay layer (5)
(5) top is provided with oozes the interconnected dmp filter collecting layer (9) of device (11), the dmp filter collecting layer with rain water storage
(9) top is provided with permeable ground (8).
2. the foundation pit fertilizer slot in sponge city according to claim 1 backfills structure, which is characterized in that first clay layer
(3) lower section is provided with weeper drain (2) positioned at non-permeable stratum (1).
3. the foundation pit fertilizer slot in sponge city according to claim 1 or 2 backfills structure, which is characterized in that described first is glutinous
Clay layer or plain concrete water barrier of the soil layer (3) using 1.0-1.5m thickness, and compactness >=94% of clay layer.
4. the foundation pit fertilizer slot in sponge city according to claim 1 backfills structure, which is characterized in that second clay layer
(5) clay compaction in layers backfill or the method for soil cement, plain concrete backfill is used to be backfilled, and the compactness of clay layer >=
94%.
5. the foundation pit fertilizer slot in sponge city according to claim 1 backfills structure, which is characterized in that in the second clay layer
(5) interior vertical direction is provided with multiple rain water storages and oozes device (11), and two neighboring rain water storage oozes device (11) and is interconnected.
6. the foundation pit fertilizer slot in sponge city according to claim 1 backfills structure, which is characterized in that the dmp filter is received
Collection layer (9) lower end is additionally provided with PE water-separating films (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437702.XU CN208023593U (en) | 2018-03-29 | 2018-03-29 | A kind of foundation pit fertilizer slot backfill structure in sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437702.XU CN208023593U (en) | 2018-03-29 | 2018-03-29 | A kind of foundation pit fertilizer slot backfill structure in sponge city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208023593U true CN208023593U (en) | 2018-10-30 |
Family
ID=63908719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820437702.XU Active CN208023593U (en) | 2018-03-29 | 2018-03-29 | A kind of foundation pit fertilizer slot backfill structure in sponge city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208023593U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537664A (en) * | 2018-12-06 | 2019-03-29 | 安徽省人防建筑设计研究院 | A kind of civil air defense constructions and installations building backfilling apparatus |
| CN109826153A (en) * | 2018-12-24 | 2019-05-31 | 中水淮河规划设计研究有限公司 | A kind of high retaining wall effectively reducing cross dimensions and construction method |
| CN113175005A (en) * | 2021-04-29 | 2021-07-27 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN114482081A (en) * | 2022-01-28 | 2022-05-13 | 中国建筑第八工程局有限公司 | Deep foundation pit fertilizer groove backfilling system |
-
2018
- 2018-03-29 CN CN201820437702.XU patent/CN208023593U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537664A (en) * | 2018-12-06 | 2019-03-29 | 安徽省人防建筑设计研究院 | A kind of civil air defense constructions and installations building backfilling apparatus |
| CN109826153A (en) * | 2018-12-24 | 2019-05-31 | 中水淮河规划设计研究有限公司 | A kind of high retaining wall effectively reducing cross dimensions and construction method |
| CN113175005A (en) * | 2021-04-29 | 2021-07-27 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN113175005B (en) * | 2021-04-29 | 2022-05-20 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN114482081A (en) * | 2022-01-28 | 2022-05-13 | 中国建筑第八工程局有限公司 | Deep foundation pit fertilizer groove backfilling system |
| CN114482081B (en) * | 2022-01-28 | 2024-01-23 | 中国建筑第八工程局有限公司 | Deep foundation pit fertilizer groove backfill system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106638918B (en) | Construction method of sponge urban rainwater collection system | |
| CN208023593U (en) | A kind of foundation pit fertilizer slot backfill structure in sponge city | |
| CN206752614U (en) | A kind of sponge-type road sinks formula afforests dividing strip Rainwater collection system | |
| CN206667420U (en) | Sponge city high-effective penetrating type greenery patches constructs | |
| CN110226379A (en) | The saline and alkaline region water resource of the automatic dripping irrigation of the structure containing terraced fields, which is regulated and stored, utilizes system | |
| CN104652595B (en) | Half support water storage type greenery patches structure of a kind of urban flood defence and utilization of flood resources | |
| CN208009393U (en) | A kind of non-dankly base manure slot backfill structure based on sponge city | |
| CN207892652U (en) | A kind of dewatering device of tunnel rich water section | |
| CN214301528U (en) | Sponge transformation system for urban river retaining wall | |
| CN204491797U (en) | A kind of sports ground dmp filter stacking device | |
| CN212153625U (en) | Urban construction rainwater garden | |
| CN211037246U (en) | Build sponge city regulation pond that has infiltration and recycle function between pile foundation | |
| CN208152219U (en) | A kind of dry depression for sponge city | |
| CN209443563U (en) | A kind of large-scale water storage system of molten mound depression people and animals' drinking water | |
| CN209144964U (en) | A kind of efficient rainwater isolation collection device | |
| CN206477347U (en) | The water storage structure of basement | |
| CN210797787U (en) | Saline-alkali region building and green land water resource regulation and storage utilization system | |
| CN111133859A (en) | Saline and alkaline land water resource collection and saline and alkaline soil improvement system | |
| CN216739926U (en) | Basement roof backfill layer drainage structures | |
| CN218713681U (en) | Integrated system adopting circulating osmosis water storage sponge | |
| CN211816304U (en) | Rainwater leaching caching and utilizing structure based on fertilizer tank | |
| CN211621499U (en) | Saline-alkali region water resource regulation and storage utilization system with storage seepage pipe | |
| CN220748293U (en) | Double-layer waterproof system for underground excavation tunnel of poor water-rich stratum | |
| CN211240736U (en) | Contain automatic saline and alkaline region water resource regulation and storage utilization system of driping irrigation of terraced fields structure | |
| CN212053088U (en) | Coastal saline-alkali area water resource regulation and storage utilization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |