CN203729314U - Anti-floating relief well - Google Patents
Anti-floating relief well Download PDFInfo
- Publication number
- CN203729314U CN203729314U CN201420090808.9U CN201420090808U CN203729314U CN 203729314 U CN203729314 U CN 203729314U CN 201420090808 U CN201420090808 U CN 201420090808U CN 203729314 U CN203729314 U CN 203729314U
- Authority
- CN
- China
- Prior art keywords
- well
- floating
- well casing
- fine concrete
- casing
- 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.)
- Expired - Lifetime
Links
- 238000007667 floating Methods 0.000 title claims abstract description 31
- 239000011435 rock Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006837 decompression Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract 7
- 239000002689 soil Substances 0.000 abstract 2
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides an anti-floating relief well comprising a non-sand concrete well casing. The anti-floating relief well is characterized in that an inverted filter layer is arranged around the non-sand concrete well casing, the non-sand concrete well casing and the inverted filter layer are arranged in a borehole, the bottom of the non-sand concrete well casing, the bottom of the inverted filter layer and the bottom of the borehole are all arranged in hard soil or rock, the middle of the non-sand concrete well casing is arranged in a permeable soil layer, the top of the non-sand concrete well casing is higher than the borehole and the inverted filter layer and is arranged in a water collection well, crest elevation of the non-sand concrete well casing in the water collection well is wellhead elevation, communicating pipes are arranged around the water collection well, and the water collection well is arranged below a floor of a basement. The anti-floating relief well is simple in structure and low in manufacturing cost, materials and costs are fewer than those in the conventional anti-floating measures, the anti-floating relief well is applicable to decompression and floating resistance of various underground structures, is safe and reliable, is easy to clean and is good in decompression effect.
Description
Technical field
The utility model belongs to underground construction decompression anti-floating technical field, is specifically related to a kind of relief well.
Background technology
At present, the underground structure that, anti-floating safety factor higher for groundwater table do not meet the demands will be taked measure of anti float.Conventional measure of anti float has the uplift pile of use and anti-float anchor rod, and for the larger basement of area, the consumption of uplift pile and anti-float anchor rod can be very large, often causes construction costs and duration to roll up.
Utility model content
The purpose of this utility model is for above technical problem to be solved, provides that a kind of anti-floating is effective, quick construction, anti-floating relief well cheap, safe and reliable, easy to maintenance.
For solving the problem of above-mentioned proposition, the utility model provides following technical scheme:
A kind of anti-floating relief well, comprise non-fine concrete well casing, it is characterized in that: described non-fine concrete well casing surrounding is provided with inverted filter, described non-fine concrete well casing and described inverted filter are positioned among wellhole, described non-fine concrete well casing bottom, described inverted filter bottom and described borehole bottom are all arranged in hardpan or rock stratum, the middle part of described non-fine concrete well casing is arranged in permeable ground, the top of described non-fine concrete well casing exceeds described wellhole and described inverted filter, and be positioned at collecting well, the crest level that described non-fine concrete well casing is positioned at described collecting well is well head elevation, the surrounding of described collecting well is provided with communicating pipe, described collecting well is positioned at basement bottom board below.
Preferably, described well head elevation is higher than the base top absolute altitude at least 600~1000mm of described collecting well.
Preferably, described well head elevation is adjustable.
Preferably, the internal diameter of described non-fine concrete well casing is at least 800mm.
Preferably, the diameter of described wellhole is at least 1600mm.
Preferably, the center absolute altitude of described communicating pipe is lower than described well head elevation.
Preferably, in described collecting well, be provided with submersible pump.
Preferably, described submersible pump is provided with induction installation.
Preferably, described basement bottom board is provided with manhole.
Preferably, described manhole is provided with steel deck-plate.
The beneficial effects of the utility model are: 1, use non-fine concrete well casing, convenient for maintaining.2, adopt well head elevation controlling groundwater level, water gravity flow, elevation is adjustable, stable water pressure, and little to environmental disturbances, effect of easing stress is good.3, between collecting well, can use communicating pipe to be interconnected, reduce the dependence to submersible pump reliability, improve its reliability.4, expanding type collecting well is established at relief well top, increases the water-holding capacity of himself, reduces the number of starts of water pump, increases its life-span.5, collecting well manhole can be provided with well lid, in order to draining under the extreme case such as power-off, flood, reduces risk.
Brief description of the drawings
Fig. 1 is the structural representation of anti-floating of the present utility model relief well.
Fig. 2 is the structural representation that multiple anti-floatings relief well is communicated with.
In figure: 1, non-fine concrete well casing, 2, inverted filter, 3, submersible pump, 4, communicating pipe, 5, collecting well, 6, wellhole, 7, basement bottom board, 8, manhole.
Detailed description of the invention
Further set forth the utility model below in conjunction with the drawings and specific embodiments.Should be understood that these embodiment are only not used in restriction range of application of the present utility model for the utility model is described.
As shown in Figure 1, the utility model provides a kind of anti-floating relief well, and this anti-floating comprises non-fine concrete well casing 1 with relief well, and non-fine concrete well casing 1 surrounding is provided with inverted filter 2, and non-fine concrete well casing 1 is arranged in wellhole 6 with inverted filter 2.Wellhole 6 preferably adopts machinery or manual pore-forming, and aperture is greater than non-fine concrete well casing external diameter, while adopting mechanical hole building, should be cautious use of mud off engineering method.Non-fine concrete well casing 1 bottom, inverted filter 2 bottoms and wellhole 6 bottoms are all arranged in hardpan or rock stratum, preferably at least 500mm of penetration depth, the middle part of non-fine concrete well casing 1 is positioned at permeable ground, and the top of non-fine concrete well casing 1 exceeds wellhole 6 and inverted filter 2, and is positioned at collecting well 5.The crest level that non-fine concrete well casing 1 is positioned at collecting well 5 is well head elevation.This well head elevation preferably exceeds the base top absolute altitude at least 600~1000mm of collecting well 5.The surrounding of collecting well 5 is provided with communicating pipe 4(and is convenient to be connected with other collecting wells), the center absolute altitude of communicating pipe 4 is preferably lower than well head elevation.Collecting well 5 is positioned at basement bottom board 7 belows.
Preferably, the inner diameter d of non-fine concrete well casing 1 is at least 800mm, and the diameter D of wellhole 6 is at least 1600mm.
Preferably, described well head elevation, for adjustable within the specific limits, is adjusted groundwater table by changing well head elevation.
Preferably, in collecting well 5, be provided with submersible pump 3.More preferably, submersible pump 3 is provided with induction installation, and when the water level in collecting well 5 is during lower than well head elevation, this submersible pump 3 is not worked; When water level is during higher than well head elevation, these submersible pump 3 startup work, and well head elevation is adjustable, for controlling water yield of well and the pressure to basement bottom board 7.
For ease of safeguarding, basement bottom board 7 is preferably provided with manhole 8.Preferably, manhole 8 is provided with steel deck-plate, under the extreme cases such as maintenance, cleaning well casing and power-off, flood, can open.
As shown in Figure 2, relief well of the present utility model is the coupling of optional majority in practice of construction, and connected with each other by communicating pipe 4, optimizes anti-floating effect.
Practical effect shows, the anti-floating that the utility model provides has greatly reduced the quantity of uplift pile with relief well, reduced construction costs, has saved the duration, and after being completed, running status is good, occurs without clogging.Visible, the anti-floating that the utility model provides is simple in structure with relief well, and cost is lower, and material therefor and expense are all few than conventional measure of anti float, is applicable to all kinds of underground structure decompression anti-floatings, safe and reliable, is easy to cleaning, and effect of easing stress is good.
The above; be only preferred embodiment of the present utility model, not the utility model done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification; equivalent variations or modification, all drop in protection domain of the present utility model.
Claims (10)
1. an anti-floating relief well, comprise non-fine concrete well casing, it is characterized in that: described non-fine concrete well casing surrounding is provided with inverted filter, described non-fine concrete well casing and described inverted filter are positioned among wellhole, described non-fine concrete well casing bottom, described inverted filter bottom and described borehole bottom are all arranged in hardpan or rock stratum, the middle part of described non-fine concrete well casing is arranged in permeable ground, the top of described non-fine concrete well casing exceeds described wellhole and described inverted filter, and be positioned at collecting well, the crest level that described non-fine concrete well casing is positioned at described collecting well is well head elevation, the surrounding of described collecting well is provided with communicating pipe, described collecting well is positioned at basement bottom board below.
2. anti-floating relief well according to claim 1, is characterized in that: described well head elevation is higher than the base top absolute altitude at least 600~1000mm of described collecting well.
3. anti-floating relief well according to claim 1, is characterized in that: described well head elevation is adjustable.
4. anti-floating relief well according to claim 1, is characterized in that: the internal diameter of described non-fine concrete well casing is at least 800mm.
5. anti-floating relief well according to claim 1, is characterized in that: the diameter of described wellhole is at least 1600mm.
6. anti-floating relief well according to claim 1, is characterized in that: the center absolute altitude of described communicating pipe is lower than described well head elevation.
7. anti-floating relief well according to claim 1, is characterized in that: in described collecting well, be provided with submersible pump.
8. anti-floating relief well according to claim 7, is characterized in that: described submersible pump is provided with induction installation.
9. anti-floating relief well according to claim 1, is characterized in that: described basement bottom board is provided with manhole.
10. anti-floating relief well according to claim 9, is characterized in that: described manhole is provided with steel deck-plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420090808.9U CN203729314U (en) | 2014-02-28 | 2014-02-28 | Anti-floating relief well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420090808.9U CN203729314U (en) | 2014-02-28 | 2014-02-28 | Anti-floating relief well |
Publications (1)
Publication Number | Publication Date |
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CN203729314U true CN203729314U (en) | 2014-07-23 |
Family
ID=51199399
Family Applications (1)
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CN201420090808.9U Expired - Lifetime CN203729314U (en) | 2014-02-28 | 2014-02-28 | Anti-floating relief well |
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CN (1) | CN203729314U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104196115A (en) * | 2014-08-01 | 2014-12-10 | 深圳市建筑设计研究总院有限公司 | Basement sump structure |
CN105525633A (en) * | 2015-11-25 | 2016-04-27 | 同济大学 | Pumping-irrigating self-circulation control system for floating resistance of basement |
CN105569095A (en) * | 2016-02-29 | 2016-05-11 | 华南理工大学 | Interception and drainage pressure-reduction anti-floating system |
CN108824465A (en) * | 2017-04-16 | 2018-11-16 | 韩少鹏 | Ground Water Pumping during Excavation constructing structure |
CN113700050A (en) * | 2021-09-07 | 2021-11-26 | 通号建设集团有限公司 | Underground building anti-floating structure system and construction method thereof |
-
2014
- 2014-02-28 CN CN201420090808.9U patent/CN203729314U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104196115A (en) * | 2014-08-01 | 2014-12-10 | 深圳市建筑设计研究总院有限公司 | Basement sump structure |
CN104196115B (en) * | 2014-08-01 | 2016-08-24 | 深圳市建筑设计研究总院有限公司 | Basement water collection pit structure |
CN105525633A (en) * | 2015-11-25 | 2016-04-27 | 同济大学 | Pumping-irrigating self-circulation control system for floating resistance of basement |
CN105569095A (en) * | 2016-02-29 | 2016-05-11 | 华南理工大学 | Interception and drainage pressure-reduction anti-floating system |
CN105569095B (en) * | 2016-02-29 | 2017-08-25 | 华南理工大学 | One kind cuts row's decompression anti-floating system |
CN108824465A (en) * | 2017-04-16 | 2018-11-16 | 韩少鹏 | Ground Water Pumping during Excavation constructing structure |
CN113700050A (en) * | 2021-09-07 | 2021-11-26 | 通号建设集团有限公司 | Underground building anti-floating structure system and construction method thereof |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140723 |