CN109555141A - Strong drainage system for ultra-large deep foundation pit and construction method - Google Patents
Strong drainage system for ultra-large deep foundation pit and construction method Download PDFInfo
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- CN109555141A CN109555141A CN201811579650.0A CN201811579650A CN109555141A CN 109555141 A CN109555141 A CN 109555141A CN 201811579650 A CN201811579650 A CN 201811579650A CN 109555141 A CN109555141 A CN 109555141A
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- 238000010276 construction Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000009412 basement excavation Methods 0.000 claims abstract description 14
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 11
- 241000209202 Bromus secalinus Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000011178 precast concrete Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011509 cement plaster Substances 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 239000002352 surface water Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000010841 municipal wastewater Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a strong drainage system for an oversized deep foundation pit and a construction method, relates to the technical field of foundation pit drainage, and is used for solving the problem that surface water such as foundation pit underground water, rainwater and the like causes foundation pit engineering construction in large-area deep foundation pit earthwork excavation. This strong drainage system adopts light-duty well point precipitation to combine the form of the three-layer bright row that catchments, promptly slope top escape canal, slope bottom escape canal and foundation ditch internal drainage canal to correspond respectively and set up the sump pit, transport water toward the upper story layer by layer through setting up strong drainage pump and pipeline, discharge municipal sewage pipe network or river course after the sedimentation tank is handled at last. Through setting up the bright escape canal of multilayer, carry out the forced drainage step by step, the job site has been optimized to reasonable drainage form, and the drainage system is more reasonable.
Description
Technical field
The present invention relates to drainage of foundation pit technical field, in particular to a kind of forced-ventilated water system for super-sized foundation pit and apply
Work method.
Background technique
Foundation pit forced-ventilated water construction technology is mainly used in the deep-foundation pit engineering underground construction full stage.Base pit engineering is by underground
Water, earth excavation depth, heavy rain weather etc. influence, and landslide easily occur, generate show slurry, and foundation bearing capacity and soil property are not
Meet design requirement, very big security risk is generated to engineering construction.Usually guarantee foundation pit normal construction, pipe well is taken to drop
The measure of water, the bright row that catchments excludes underground water, the ponding in soil mass of foundation pit.
Therefore, how one kind is provided and is applied to the strong drainage and construction method of super large ultra-deep type foundation pit, in large area, deep foundation pit soil
In square excavation construction, it can effectively solve the problem that the problem of surface water such as foundation pit underground water and rainwater cause Foundation Pit Construction, be
The technical issues of those skilled in the art's urgent need to resolve.
Summary of the invention
It is an object of that present invention to provide one kind to be applied to the strong drainage and construction method of super large ultra-deep type foundation pit, in large area, depth
In pit earthwork excavation construction, it can effectively solve the problem that the surface water such as foundation pit underground water and rainwater are asked caused by Foundation Pit Construction
Topic, while guaranteeing earth excavation and main structure construction progress.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of forced-ventilated water system for super-sized foundation pit, the foundation pit by top of the slope road second level slope to foundation pit platform,
To bottom of foundation ditch, the forced-ventilated water system includes: subsequent earth excavation
Top of the slope gutter, the top of the slope gutter are arranged along the foundation pit top of the slope water-stop curtain, the top of the slope gutter
It is connected to place river or municipal sewage pipe network;
A top of the slope sump is arranged in the top of the slope gutter in top of the slope sump at spacing intervals;
Light well point, the light well point is between the top of the slope water-stop curtain and the top of the slope gutter;
Bottom of slope gutter, the bottom of slope gutter are set at foundation pit platform;
A bottom of slope sump, the bottom of slope collection is arranged in the bottom of slope gutter in bottom of slope sump at spacing intervals
Forced-ventilated water pump is set at well and water is evacuated in the top of the slope gutter by pipeline;
Foundation pit internal drainage ditch, the foundation pit internal drainage ditch are set to the outside of gravity dam, set at the foundation pit internal drainage ditch
Forced-ventilated water pump and pipeline is set to send water into the bottom of slope gutter.
Compared with prior art, the present invention is beneficial has the technical effect that
One, the forced-ventilated water system for super-sized foundation pit of the invention, including top of the slope gutter and it is correspondingly arranged top of the slope collection
Well, bottom of slope gutter are simultaneously correspondingly arranged bottom of slope sump, further include light well point and foundation pit internal drainage ditch, and pass through forced-ventilated water
Pump and pipeline send the water in foundation pit internal drainage ditch into bottom of slope gutter, and the water at bottom of slope sump is evacuated to top of the slope gutter
In, to form the bright drainage system of multilayer.By the way that the bright gutter of multilayer is arranged, forced-ventilated water, reasonable drainage pattern are carried out step by step
Construction site is optimized, drainage system is more reasonable.The forced-ventilated water system has good be applicable in for complicated base pit engineering
Property, it can be ensured that foundation pit is not by the ponding unfavorable factors such as influenced to cause slope failure, ground impaired.When construction site is by sudden and violent
After the influence of the unfavourable weathers such as rain, typhoon, multilayer forced-ventilated aqueous systems can effective operation, and in Yu Yi restoring scene construct into
Degree, is significantly reduced ponding harm caused by construction site.
Two, the construction method of the forced-ventilated water system for super-sized foundation pit of the invention, it is by foundation pit top of the slope road second level
Slope combines three layers using Application of light well point precipitation and catchments bright row's to foundation pit platform then by earth excavation to bottom of foundation ditch
Form, i.e. top of the slope gutter, bottom of slope gutter and foundation pit internal drainage ditch, and setting sump is respectively corresponded, by the way that forced-ventilated is arranged
Water pump and pipeline finally enter municipal sewage pipe network or river by sedimentation basin processing heel row successively by water up one layer of transport.It should
Construction method is easy to operate, reduces the operation difficulty of construction site, at low cost, constructs in large area, deep foundation pit earthwork digging
In, it can effectively solve the problem that the problem of surface water such as foundation pit underground water and rainwater cause Foundation Pit Construction, while guaranteeing the earthwork
It excavates and main structure construction progress.
Further, top of the slope gutter ring group cheats elongated setting, and solid block is built, cement plaster, and 2% gradient is general
Water.To effectively by the water in top of the slope gutter by precipitating heel row into place river or municipal wastewater pipe.
Further, the side slope angle of slope is i=1:1.5, to facilitate gradient flashing.
Further, the side slope is the C20 pea gravel concreten slope protection surface layer with a thickness of 100mm.By the way that slope protection face is arranged
Layer, can prevent soil mass of foundation pit from collapsing, guarantee the construction safety of foundation pit.
Further, in order to effectively be drained, the foundation pit internal drainage ditch ring group cheats elongated setting.Bottom four in foundation pit
The setting of Zhou Caiyong concrete gutter, that is, form the foundation pit internal drainage ditch of concrete structure, ditch depth 200mm, wide 500mm, toed-out shape
Shape, side slope are made of 100mm thickness C20 prefabricated board, and bear down on one 100mmC20 concrete, and bottom of trench uses C20 concreting, thickness
100mm.Further, the top of the slope gutter is closed equipped with concrete cover, and reserved opening.Foundation pit top of the slope is along construction road
The gutter 800mm × 800mm, that is, top of the slope gutter is set, is handled using concrete cover closure, and reserved opening can be such that ponding is discharged into
In ditch, is handled after through sedimentation basin and be discharged into place river or municipal sewage pipe network.
Further, it is contemplated that the infiltration of base mine water during foundation pit construction is accelerated to improve drainage efficiency
The drainage efficiency in top of the slope gutter and bottom of slope gutter a, so that sump is arranged in aforementioned gutter at spacing intervals.When
So, in conjunction with construction cost and drainage efficiency, which is 40m~60m.
Further, in order to keep gravity dam more stable, skirt ruggedized construction, the base are additionally provided on the outside of the gravity dam
Hole internal drainage ditch side is connect with the gravity dam, and the other side is connect with the skirt ruggedized construction.The gravity dam of foundation pit be for
Prevent the soil body from sliding into foundation pit.
The present invention also provides a kind of construction method of forced-ventilated water system for super-sized foundation pit, the construction method packets
It includes:
Top of the slope gutter is excavated along construction road in foundation pit top of the slope, and is closed by precast concrete cover, and box out
Mouth is connected to the top of the slope gutter with place river or municipal wastewater pipe;
Light well point is set between foundation pit top of the slope water-stop curtain and top of the slope gutter;
Bottom of slope gutter is excavated along foundation pit bottom of slope, and more obvious and bottom of slope collection is arranged in foundation pit corner in ponding in advance
Well;
Foundation pit internal drainage ditch and corresponding sump are completed in earth excavation and structure construction procedure;
Forced-ventilated water pump is set at the foundation pit internal drainage ditch and pipeline send water into the bottom of slope gutter, bottom of slope is catchmented
Water is evacuated in the top of the slope gutter by Jing Chu setting forced-ventilated water pump and pipeline, to complete the structure of multilayer gutter drainage system
It builds.
Detailed description of the invention
Fig. 1 is schematic diagram of the one embodiment of the invention for the forced-ventilated water system of super-sized foundation pit.
In figure:
10- top of the slope gutter, 11- top of the slope water-stop curtain;20- bottom of slope gutter, 21- bottom of slope sump;The light-duty well of 30-
Point;40- foundation pit internal drainage ditch;50- gravity dam;60- slope protection surface layer;The skirt 70- ruggedized construction.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to a kind of forced-ventilated water system for super-sized foundation pit proposed by the present invention
And construction method is described in further detail.According to following explanation, advantages and features of the invention will be become apparent from.It below will be by
Cited embodiment combination attached drawing, the technology contents and feature that the present invention will be described in detail.Need in addition it illustrate, attached drawing is adopted
With very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating the embodiment of the present invention
Purpose.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be this hair
The limitation of bright technical solution.
Embodiment one
It is illustrated with reference to Fig. 1 the structure composition of the forced-ventilated water system for super-sized foundation pit of the invention.
Referring to FIG. 1, a kind of forced-ventilated water system for super-sized foundation pit, the foundation pit by top of the slope road second level slope extremely
Foundation pit platform, subsequent earth excavation to bottom of foundation ditch, the forced-ventilated water system include that Deep Pumped Wells combine the three layers of bright row that catchments
Measure specifically includes: top of the slope gutter 10, top of the slope sump, light well point 30, bottom of slope gutter 20, bottom of slope sump 21, base
Cheat internal drainage ditch 40, top of the slope gutter 10 is arranged along foundation pit top of the slope water-stop curtain 11, top of the slope gutter 10 and place river or
The connection of person's municipal sewage pipe network;One top of the slope sump is set at spacing intervals in top of the slope gutter 10;Light well point 30
Between top of the slope water-stop curtain 11 and top of the slope gutter 10;Bottom of slope gutter 20 is set at foundation pit platform;Bottom of slope gutter 20
In a bottom of slope sump 21 is set at spacing intervals, forced-ventilated water pump and pipeline are set at bottom of slope sump 21 by water and are evacuated to slope
In top row ditch 10;Foundation pit internal drainage ditch 40 is set to the outside of gravity dam 50, and forced-ventilated water pump is arranged at foundation pit internal drainage ditch 40
Water is sent into bottom of slope gutter 20 with pipeline.
Specifically, the forced-ventilated water system for super-sized foundation pit of the present embodiment, including top of the slope gutter 10 and correspondence
Top of the slope sump is set, and bottom of slope gutter 20 is simultaneously correspondingly arranged bottom of slope sump 21, further includes row in light well point 30 and foundation pit
Ditch 40, and given the water in foundation pit internal drainage ditch 40 into bottom of slope gutter 20 by forced-ventilated water pump and pipeline, by bottom of slope collection
Water at well 21 is evacuated in top of the slope gutter 10, to form the bright drainage system of multilayer.By the way that the bright gutter of multilayer is arranged, by
Grade carries out forced-ventilated water, and reasonable drainage pattern optimizes construction site, and drainage system is more reasonable.The forced-ventilated water system is for multiple
Miscellaneous base pit engineering has good applicability, it can be ensured that foundation pit is not influenced to cause slope failure, ground impaired etc. by ponding
Unfavorable factor.After construction site is influenced by unfavourable weathers such as heavy rain, typhoons, multilayer forced-ventilated aqueous systems can effective operation,
And restoring scene construction speed in Yu Yi, it is significantly reduced ponding harm caused by construction site.
In the present embodiment, it is highly preferred that 10 ring group of top of the slope gutter cheats elongated setting, solid block is built, and cement is smeared
Face, 2% gradient flashing.To effectively that the water in top of the slope gutter 10 is dirty by precipitating heel row to place river or municipal administration
In water pipe.
In the present embodiment, it is highly preferred that the side slope angle of slope is i=1:1.5, to facilitate gradient flashing.
In the present embodiment, it is highly preferred that side slope is the C20 pea gravel concreten slope protection surface layer 60 with a thickness of 100mm.Pass through
Slope protection surface layer 60 is set, can prevent soil mass of foundation pit from collapsing, guarantee the construction safety of foundation pit.
In the present embodiment, it is highly preferred that in order to effectively be drained, 40 ring group of foundation pit internal drainage ditch cheats elongated setting.
Bottom surrounding is arranged using concrete gutter in foundation pit, that is, forms the foundation pit internal drainage ditch 40 of concrete structure, ditch depth 200mm, wide
500mm, toed-out shape, side slope are made of 100mm thickness C20 prefabricated board, and bear down on one 100mmC20 concrete, and bottom of trench uses C20
Concreting, thickness 100mm.
In the present embodiment, it is highly preferred that top of the slope gutter 10 is closed equipped with concrete cover, and reserved opening.Foundation pit
The gutter 800mm × 800mm, that is, top of the slope gutter is arranged along construction road in top of the slope, is handled using concrete cover closure, and hole to be provided
Mouth can be such that ponding is discharged into ditch, handle after through sedimentation basin and be discharged into place river or municipal sewage pipe network.
In the present embodiment, more preferably, it is contemplated that the infiltration of base mine water during foundation pit construction, in order to improve
Drainage efficiency accelerates the drainage efficiency in top of the slope gutter 10 and bottom of slope gutter 20, so that aforementioned gutter is at spacing intervals
One sump is set.Certainly, in conjunction with construction cost and drainage efficiency, which is 40m~60m.
In the present embodiment, it is highly preferred that in order to keep gravity dam 50 more stable, the outside of gravity dam 50 is additionally provided with skirt and adds
Fixing structure 70,40 side of foundation pit internal drainage ditch are connect with gravity dam 50, and the other side is connect with skirt ruggedized construction 70.Skirt reinforces
Structure 70 is that hall setting is expired at the three axes agitating pile hole bottom of 5m thickness.The gravity dam 50 of foundation pit is that the soil body is sliding into foundation pit in order to prevent
It moves.
With continued reference to FIG. 1, the present embodiment additionally provides a kind of construction party of forced-ventilated water system for super-sized foundation pit
Method, the construction method include:
Top of the slope gutter 10 is excavated along construction road in foundation pit top of the slope, and is closed by precast concrete cover, and stay
Hole is connected to top of the slope gutter 10 with place river or municipal wastewater pipe;
Light well point 30 is set between foundation pit top of the slope water-stop curtain 11 and top of the slope gutter 10;Light well point 30 is along foundation pit four
Week or side sink to the thinner well casing of diameter in the water-bearing layer for being deeper than substrate, and well casing top is connect with general pipeline, pass through general pipeline benefit
Underground water is concentrated from well point with pumping equipment and extracts out and drains into corresponding location, original level of ground water is made to be reduced to substrate or less.
Bottom of slope gutter 20 is excavated along foundation pit bottom of slope, and more obvious and bottom of slope is arranged in foundation pit corner in ponding in advance
Sump 21;
Foundation pit internal drainage ditch 40 and corresponding sump are completed in earth excavation and structure construction procedure;
Forced-ventilated water pump is set at foundation pit internal drainage ditch 40 and pipeline send water into bottom of slope gutter 20, bottom of slope sump 21
Water is evacuated in top of the slope gutter 10 by place's setting forced-ventilated water pump and pipeline, to complete the building of multilayer gutter drainage system.
The construction method, it then passes through earth excavation to foundation pit by foundation pit top of the slope road second level slope to foundation pit platform
Bottom combines the form of the three layers of bright row that catchments, i.e. row in top of the slope gutter, bottom of slope gutter and foundation pit using Application of light well point precipitation
Ditch, and setting sump is respectively corresponded, by setting forced-ventilated water pump and pipeline successively by water up one layer of transport, finally pass through
Sedimentation basin processing heel row enters municipal sewage pipe network or river.The construction method is easy to operate, and the operation for reducing construction site is difficult
Degree, it is at low cost, in large area, deep foundation pit earthwork digging construction, it can effectively solve the problem that the surface water such as foundation pit underground water and rainwater
The problem of Foundation Pit Construction is caused, while guaranteeing earth excavation and main structure construction progress.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (9)
1. a kind of forced-ventilated water system for super-sized foundation pit, which is characterized in that the foundation pit by top of the slope road second level slope extremely
Foundation pit platform, subsequent earth excavation to bottom of foundation ditch, the forced-ventilated water system include:
Top of the slope gutter, the top of the slope gutter are arranged along the foundation pit top of the slope water-stop curtain, the top of the slope gutter and field
Area river or municipal sewage pipe network connection;
A top of the slope sump is arranged in the top of the slope gutter in top of the slope sump at spacing intervals;
Light well point, the light well point is between the top of the slope water-stop curtain and the top of the slope gutter;
Bottom of slope gutter, the bottom of slope gutter are set at foundation pit platform;
A bottom of slope sump, the bottom of slope sump is arranged in the bottom of slope gutter in bottom of slope sump at spacing intervals
Water is evacuated in the top of the slope gutter by place's setting forced-ventilated water pump and pipeline;
Foundation pit internal drainage ditch, the foundation pit internal drainage ditch are set to the outside of gravity dam, and setting is strong at the foundation pit internal drainage ditch
Draining pump and pipeline send water into the bottom of slope gutter.
2. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that the top of the slope gutter
Ring group cheats elongated setting, and solid block is built, cement plaster, 2% gradient flashing.
3. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that the side slope angle of slope
For i=1:1.5.
4. the forced-ventilated water system according to claim 3 for super-sized foundation pit, which is characterized in that the side slope is thickness
For the C20 pea gravel concreten slope protection surface layer of 100mm.
5. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that the foundation pit internal drainage
Ditch ring group cheats elongated setting.
6. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that the top of the slope gutter
It is closed equipped with concrete cover, and reserved opening.
7. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that a fixed spacing is
40m~60m.
8. the forced-ventilated water system according to claim 1 for super-sized foundation pit, which is characterized in that outside the gravity dam
Side is additionally provided with skirt ruggedized construction, and the foundation pit internal drainage ditch side is connect with the gravity dam, and the other side adds with the skirt
Fixing structure connection.
9. a kind of construction method of the forced-ventilated water system for super-sized foundation pit characterized by comprising
Top of the slope gutter is excavated along construction road in foundation pit top of the slope, and is closed by precast concrete cover, and box out mouth makes
The top of the slope gutter is obtained to be connected to place river or municipal sewage pipe network;
Light well point is set between foundation pit top of the slope water-stop curtain and top of the slope gutter;
Bottom of slope gutter is excavated along foundation pit bottom of slope, and more obvious and foundation pit corner setting bottom of slope is catchmented in ponding in advance
Well;
Foundation pit internal drainage ditch and corresponding sump are completed in earth excavation and structure construction procedure;
Forced-ventilated water pump is set at the foundation pit internal drainage ditch and pipeline send water into the bottom of slope gutter, at bottom of slope sump
Water is evacuated in the top of the slope gutter by setting forced-ventilated water pump and pipeline, to complete the building of multilayer gutter drainage system.
Priority Applications (1)
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CN201811579650.0A CN109555141A (en) | 2018-12-24 | 2018-12-24 | Strong drainage system for ultra-large deep foundation pit and construction method |
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CN201811579650.0A CN109555141A (en) | 2018-12-24 | 2018-12-24 | Strong drainage system for ultra-large deep foundation pit and construction method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627311A (en) * | 2020-12-11 | 2021-04-09 | 上海宝冶集团有限公司 | Drainage method for building construction in mountainous region with large precipitation |
CN118065407A (en) * | 2024-04-22 | 2024-05-24 | 北京建工四建工程建设有限公司 | Temporary slope building construction method for easily-degraded slope |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104110038A (en) * | 2014-07-29 | 2014-10-22 | 上海市建工设计研究院有限公司 | Construction method for large-area pit support structure in deep-sludge type soft soil area |
CN206581278U (en) * | 2017-02-21 | 2017-10-24 | 浙江绿建建筑设计有限公司 | Base pit dewatering structure |
CN206873477U (en) * | 2017-03-31 | 2018-01-12 | 青建集团股份公司 | A kind of Application of light well point precipitation system |
CN209585078U (en) * | 2018-12-24 | 2019-11-05 | 上海建工二建集团有限公司 | Strong drainage system for ultra-large deep foundation pit |
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2018
- 2018-12-24 CN CN201811579650.0A patent/CN109555141A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104110038A (en) * | 2014-07-29 | 2014-10-22 | 上海市建工设计研究院有限公司 | Construction method for large-area pit support structure in deep-sludge type soft soil area |
CN206581278U (en) * | 2017-02-21 | 2017-10-24 | 浙江绿建建筑设计有限公司 | Base pit dewatering structure |
CN206873477U (en) * | 2017-03-31 | 2018-01-12 | 青建集团股份公司 | A kind of Application of light well point precipitation system |
CN209585078U (en) * | 2018-12-24 | 2019-11-05 | 上海建工二建集团有限公司 | Strong drainage system for ultra-large deep foundation pit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627311A (en) * | 2020-12-11 | 2021-04-09 | 上海宝冶集团有限公司 | Drainage method for building construction in mountainous region with large precipitation |
CN118065407A (en) * | 2024-04-22 | 2024-05-24 | 北京建工四建工程建设有限公司 | Temporary slope building construction method for easily-degraded slope |
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Application publication date: 20190402 |