CN219952005U - Backfill district foundation ditch drainage device - Google Patents
Backfill district foundation ditch drainage device Download PDFInfo
- Publication number
- CN219952005U CN219952005U CN202320774693.4U CN202320774693U CN219952005U CN 219952005 U CN219952005 U CN 219952005U CN 202320774693 U CN202320774693 U CN 202320774693U CN 219952005 U CN219952005 U CN 219952005U
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- China
- Prior art keywords
- ditch
- foundation pit
- slope
- drainage
- foundation
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000012876 topography Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 9
- 239000003973 paint Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The utility model discloses a foundation pit drainage device in a backfill area, wherein a water interception ditch is arranged at a position 1 m-1.5 m away from a slope top excavation line of a side slope and a foundation pit slope top, the bottom surface of the water interception ditch is about 0.5m lower than the slope top surface, and concrete is sprayed between the water interception ditch and the slope top excavation line to harden the water interception ditch; arranging a drainage ditch at the edge of the slope and the foundation pit toe which is not smaller than 0.3m away from the slope toe, wherein the bottom surface of the drainage ditch is 0.4m lower than the soil digging surface, and concrete is sprayed between the drainage ditch and the slope toe line for hardening; the slope setting of the bottom of the intercepting drainage ditch is not suitable to be less than 0.3%, and the drainage direction is determined according to the site topography fluctuation condition of the construction site; the water collecting well is arranged at intervals of 30m along the drainage ditch, and the bottom surface of the water collecting well is 0.8m lower than the bottom surface of the drainage ditch.
Description
Technical Field
The utility model relates to the field of foundation pit drainage construction, in particular to a backfill area foundation pit drainage device.
Background
At present, a deep foundation pit exists in a building site generally, foundation pit dewatering serves as necessary preparation work for deep foundation pit excavation, water collecting well dewatering serves as the most common dewatering mode, and in the water collecting well dewatering process, due to water seepage, a well wall is extremely easy to collapse and sediment blocks a water pump.
This deep basal pit sump pit oil drum wall of a well precipitation system, former material all use old and useless oil drum, paint kettle, the reinforcing bar of job site, and simple manufacture practices thrift the cost, accords with green sustainable development theory, adaptable certain degree of depth's precipitation well, can prevent effectively that the wall of a well from collapsing and protecting the water pump.
In view of the above, the present utility model provides a backfill area foundation pit drainage device, which has reasonable structural design, can effectively prevent the collapse of the well wall, protects the water pump, saves the cost, is environment-friendly, is suitable for the construction stage of the foundation pit and the basement, and aims to solve the problem and improve the practical value through the technology.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a foundation pit drainage device for a backfill area.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a backfill district foundation ditch drainage device, includes the foundation ditch main part, the surface of foundation ditch main part is provided with foundation ditch top intercepting ditch, the inside of foundation ditch main part is provided with foundation ditch bottom escape canal, the inside of foundation ditch bottom escape canal is provided with the dewatering well, the oil drum well is installed to the bottom of foundation ditch main part, the outside of oil drum well is provided with annular protection frame, the inside of oil drum well is provided with the hole.
As a further description of the above technical solution:
and a water interception ditch is excavated at the position of 1 m-1.5 m of the top of the foundation pit main body, the bottom surface of the water interception ditch is 0.5m lower than the slope top surface of the foundation pit main body, and concrete is sprayed between the water interception ditch and the slope top line.
As a further description of the above technical solution:
the ditch is arranged at the toe edge of the foundation ditch main body and is 0.3m away from the toe of the side slope, and the ditch is arranged at the bottom of the foundation ditch, and the ditch is lower than the soil digging surface by 0.4m.
As a further description of the above technical solution:
the foundation pit top intercepting ditch integration is connected on the surface of foundation pit main part, foundation pit top intercepting ditch and foundation pit bottom escape canal's ditch bottom slope is greater than 0.3%, the quantity of precipitation well is a plurality of.
As a further description of the above technical solution:
the number of the oil drum wells is a plurality, the annular protection frames are fixedly connected to the outer walls of the oil drum wells, the size of the annular protection frames is larger than that of the foundation pit main body, holes are formed in the inner portions and the outer walls of the oil drum wells, and the number of the holes is a plurality.
The utility model has the following beneficial effects:
according to the utility model, the collapse of the well wall can be effectively prevented, the water pump is protected, the cost is saved, the environment is protected, and the method is suitable for foundation pit and basement construction stages.
The side slope and the foundation pit toe edge are not less than 0.3m away from the side slope toe and are provided with drainage ditches, the bottom surface of each drainage ditch is 0.4m lower than the soil digging surface, and concrete is sprayed between each drainage ditch and the corresponding toe line for hardening.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a foundation pit drainage device for a backfill area according to the present utility model;
fig. 2 is a schematic structural diagram of an oil drum well of a backfill area foundation pit drainage device according to the present utility model.
Legend description:
1. a foundation pit main body; 2. a water intercepting ditch at the top of the foundation pit; 3. a drainage ditch at the bottom of the foundation pit; 4. dewatering well; 5. an oil drum well; 6. a hole; 7. an annular protection frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a backfill district foundation ditch drainage device, includes foundation ditch main part 1, the surface of foundation ditch main part 1 is provided with foundation ditch top intercepting ditch 2, the inside of foundation ditch main part 1 is provided with foundation ditch bottom escape canal 3, the inside of foundation ditch bottom escape canal 3 is provided with precipitation well 4, oil drum well 5 is installed to the bottom of foundation ditch main part 1, the outside of oil drum well 5 is provided with annular protection frame 7, the inside of oil drum well 5 is provided with hole 6.
Specifically, a water interception ditch is arranged at the position 1 m-1.5 m away from the digging line of the slope top of the slope and the foundation pit, the bottom surface of the water interception ditch is about 0.5m lower than the slope top surface, and concrete is sprayed between the water interception ditch and the slope top line for hardening; arranging a drainage ditch at the edge of the slope and the foundation pit toe which is not smaller than 0.3m away from the slope toe, wherein the bottom surface of the drainage ditch is 0.4m lower than the soil digging surface, and concrete is sprayed between the drainage ditch and the slope toe line for hardening; the slope setting of the bottom of the intercepting drainage ditch is not suitable to be less than 0.3%, and the drainage direction is determined according to the site relief conditions of the construction site; a water collecting well is arranged along the drainage ditch at intervals of 30m, and the bottom surface of the water collecting well is 0.8m lower than the bottom surface of the drainage ditch.
In the utility model, a water interception ditch is excavated at the position of 1 m-1.5 m of the top of the foundation pit main body 1, the bottom surface of the water interception ditch is 0.5m lower than the slope top surface of the foundation pit main body 1, and concrete is sprayed between the water interception ditch and the slope top line.
Further, the bottom drainage ditch 3 of the foundation pit is at the toe edge of the foundation pit main body 1 and is 0.3m away from the slope toe, and the height of the bottom drainage ditch 3 of the foundation pit is lower than 0.4m of the excavated soil surface.
Further, the foundation pit top intercepting ditch 2 is integrally connected to the surface of the foundation pit main body 1, the ditch bottom gradient of the foundation pit top intercepting ditch 2 and the ditch bottom gradient of the foundation pit bottom drainage ditch 3 are greater than 0.3%, and the number of the dewatering wells 4 is a plurality of.
Concrete, drainage ditch, water collecting well bottom pouring plain concrete cushion layer, use above-mentioned instrument as dewatering well lateral wall and protect a section of thick bamboo.
Further, the number of the oil drum wells 5 is a plurality of, the annular protection frame 7 is fixedly connected to the outer wall of the oil drum wells 5, the size of the annular protection frame 7 is larger than that of the foundation pit main body 1, the holes 6 are formed in the inner portion and the outer wall of the oil drum wells 5, and the number of the holes 6 is a plurality of.
Specifically, a construction site waste oil drum and a paint drum are used, holes are formed in the side wall of the waste oil drum and the paint drum, a filter screen is fixed on the inner wall of the waste oil drum and the paint drum, and a plurality of welding combinations (the bottom of the waste oil drum and the paint drum are welded around by using construction site waste ribbed steel bars) are used together so as to adapt to dewatering wells with different depths.
Work and use flow: (1) And a water interception ditch is arranged at the position of the slope and the foundation pit slope top which is 1 m-1.5 m away from the slope top excavation line, the bottom surface of the water interception ditch is about 0.5m lower than the slope top surface, the water interception ditch and the slope top line are hardened by spraying concrete, the width of the water interception ditch is 200mm, the height is 300mm, porous bricks are used for masonry, and cement mortar is smeared on the inner side.
(2) Arranging drainage ditches at the edges of the slope and the foundation pit toe which are not smaller than 0.3m away from the slope toe, wherein the bottom surface of each drainage ditch is 0.4m lower than the earth digging surface, and concrete is sprayed between each drainage ditch and the corresponding toe line for hardening, and the drainage ditches are identical with the slope top intercepting ditches;
(3) The slope setting of the ditch bottom of the drainage ditch is not suitable to be less than 0.3%, the drainage direction is determined according to the site relief conditions of the construction site, and the drainage slope faces the water collecting well.
(4) And a water collecting well is arranged along the drainage ditch and the intercepting ditch at intervals of 30m, the bottom surface of the water collecting well is 0.8m lower than the bottom surface of the drainage ditch, and plain concrete cushion layers are poured at the bottoms of the drainage ditch and the water collecting well.
(5) The method comprises the steps of (1) using a waste oil drum and a paint drum on a construction site to open holes on the side wall of the waste oil drum and the paint drum, fixing a filter screen on the inner wall of the waste oil drum and the paint drum, and combining a plurality of welding (the bottom is welded around by using waste ribbed steel bars on the construction site) so as to adapt to dewatering wells with different depths;
(6) Using an oil drum tool as a dewatering well side wall casing;
(7) The oil drum and the hole wall are backfilled with broken stone for filtering water;
(8) Installing a deep well water pump;
(9) Starting the water pump to pump water to the top water intercepting ditch.
(10) Gradually accessing a drainage oil drum according to the backfill height of the earthwork after backfilling the foundation pit until the backfill elevation is reached;
(11) And the construction stage of the main body mechanism is continued to drain.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a backfill district foundation ditch drainage device, includes foundation ditch main part (1), its characterized in that: the novel foundation pit is characterized in that the surface of the foundation pit main body (1) is provided with a foundation pit top intercepting drain (2), the foundation pit bottom drain (3) is arranged in the foundation pit main body (1), a dewatering well (4) is arranged in the foundation pit bottom drain (3), an oil drum well (5) is arranged at the bottom of the foundation pit main body (1), an annular protection frame (7) is arranged on the outer side of the oil drum well (5), and holes (6) are formed in the oil drum well (5).
2. The backfill area pit drainage apparatus of claim 1, wherein: and a water interception ditch is excavated at the position of 1 m-1.5 m of the top of the foundation pit main body (1), the bottom surface of the water interception ditch is 0.5m lower than the slope top surface of the foundation pit main body (1), and concrete is sprayed between the water interception ditch and the slope top line.
3. The backfill area pit drainage apparatus of claim 1, wherein: the foundation pit bottom drainage ditch (3) is at the toe edge of foundation pit main part (1) and is 0.3m from the distance of side slope toe, the height of foundation pit bottom drainage ditch (3) is less than the face of digging soil 0.4m.
4. The backfill area pit drainage apparatus of claim 1, wherein: the foundation pit top intercepting ditch (2) is connected to the surface of foundation pit main part (1) in an integrated way, the ditch bottom slope of foundation pit top intercepting ditch (2) and foundation pit bottom escape canal (3) is greater than 0.3%, the quantity of precipitation well (4) is a plurality of.
5. The backfill area pit drainage apparatus of claim 1, wherein: the number of the oil drum wells (5) is a plurality of, the annular protection frames (7) are fixedly connected to the outer wall of the oil drum wells (5), the size of each annular protection frame (7) is larger than that of the foundation pit main body (1), the holes (6) are formed in the oil drum wells (5) and the outer wall, and the number of the holes (6) is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320774693.4U CN219952005U (en) | 2023-04-10 | 2023-04-10 | Backfill district foundation ditch drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320774693.4U CN219952005U (en) | 2023-04-10 | 2023-04-10 | Backfill district foundation ditch drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952005U true CN219952005U (en) | 2023-11-03 |
Family
ID=88536512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320774693.4U Active CN219952005U (en) | 2023-04-10 | 2023-04-10 | Backfill district foundation ditch drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952005U (en) |
-
2023
- 2023-04-10 CN CN202320774693.4U patent/CN219952005U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |