CN108286259A - A kind of soft soil foundation base pit dewatering device - Google Patents
A kind of soft soil foundation base pit dewatering device Download PDFInfo
- Publication number
- CN108286259A CN108286259A CN201810186920.5A CN201810186920A CN108286259A CN 108286259 A CN108286259 A CN 108286259A CN 201810186920 A CN201810186920 A CN 201810186920A CN 108286259 A CN108286259 A CN 108286259A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- sliding block
- soft soil
- sump
- dewatering device
- 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.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000007667 floating Methods 0.000 claims abstract description 24
- 235000020188 drinking water Nutrition 0.000 claims abstract description 19
- 239000003651 drinking water Substances 0.000 claims abstract description 19
- 239000004746 geotextile Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 26
- 238000005086 pumping Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of soft soil foundation base pit dewatering devices, it is located at the sump of foundation pit surrounding including several, steel pipe is arranged in sump, several holes are evenly distributed on steel pipe, it is filled with sand gravel between the inner wall of sump and the outer wall of steel pipe, the outer wall of steel pipe is also enclosed with geotextiles, and water pump is equipped with close to the bottom of steel pipe in steel pipe inner chamber, the pump mouth of water pump is connected with drinking-water pipe, and sliding slot is vertically arranged on the steel pipe inner wall below drinking-water pipe；It is located in steel pipe below drinking-water pipe and is provided with filter mechanism, including the first filter screen and the second filter screen being horizontally set on successively from top to bottom in steel pipe, the symmetrical both sides of first filter frame are connected by the first sliding block with sliding slot respectively, the symmetrical both sides of second filter frame are connected by the second sliding block with sliding slot respectively, connecting rod is equipped between first sliding block and the second sliding block, the top level of sliding slot is equipped with the second lever, and elastic floating device is equipped between the top of the second sliding block and the second lever.
Description
Technical field
The present invention relates to base pit dewatering technical field of construction, specifically a kind of soft soil foundation base pit dewatering device.
Background technology
With developing on an unprecedented scale for China's geotechnical engineering, China's base pit engineering quantity is more and more, and scale is also increasing, base
The depth in hole also with and deepen, and complicated underground water geological conditions so that base pit dewatering is rapidly growing, wherein soft soil foundation
The excavation of foundation construction, supporting, in especially plastic muck foundation construction, the water content of soil is higher, and soil property is soft, and construction is set
It is standby march into the arena after often sink into soil, influence construction speed.Soil consolidation is slow, water content is high, mobility is big, is brought centainly to engineering
Security risk.After excavation of foundation pit is to certain depth, conventional method be carry out pattern foundation pit supporting structure, to ground around construction site into
Row crater wall supporting, but often there is sediment failure, leakage even retaining structure flexural deformation, influence the safety of field personnel
And construction speed；
And after excavation of foundation pit, due to water-bearing layer be cut off, under differential pressure action, underground water can continuous seepage flow to foundation pit, take
It is to ensure that base plate of foundation pit is anti-prominent to gush stable effective ways that dewatering well, which draws water, but since dewatering device is in thick-layer sand and silt
Stratigraphic controls pipe well shakes out, and difficulty is big, and precipitation well water can be mixed with impurity and mud etc., when being drawn water by water pump,
Usually there is the case where impurity and mud blocking water pump chimney filter, easily causes water pump to leak electricity since blocking occurs, cause water pump
Damage, to influence drainage procedure.
Invention content
To solve the above problems, the present invention provides a kind of soft soil foundation base pit dewatering device, base is arranged in the form of well point
Cheat surrounding, the water in foundation pit drained using water pump, accelerates soil consolidation speed, improves soil bearing capacity, with reach by construct into
The damage spent requirements of plan charge operation, and reduce impurity mud etc. to water pump.
The present invention is achieved through the following technical solutions：
A kind of soft soil foundation base pit dewatering device, including several are located at the sump of foundation pit surrounding, are arranged in the sump
There are steel pipe, the bottom of the steel pipe and the bottom connection of sump to touch, the outside of sump, institute are extended at the top of the steel pipe
It states and is evenly distributed with several holes on steel pipe, sand gravel, institute are filled between the inner wall of the sump and the outer wall of steel pipe
The outer wall for stating steel pipe is also enclosed with geotextiles, and water pump, the pumping of the water pump are equipped with close to the bottom of steel pipe in the steel pipe inner chamber
The mouth of a river is connected with drinking-water pipe.
Preferably, it is located in the steel pipe below drinking-water pipe and is provided with filter mechanism.
Preferably, the filter mechanism includes being located at below drinking-water pipe and being horizontally set on steel pipe successively from top to bottom
Interior the first filter screen and the second filter screen, first filter screen include the first filter frame and in the first filter frame
One screen cloth, second filter screen include the second filter frame and the second screen cloth in the second filter frame, first screen cloth
Aperture be more than the second screen cloth aperture.
Preferably, it is vertically arranged on the steel pipe inner wall below drinking-water pipe fluted, sliding slot is provided in groove, it is described
The symmetrical both sides of first filter frame are connected by the first sliding block with sliding slot respectively, the symmetrical both sides of second filter frame
It is connected respectively with sliding slot by the second sliding block, connecting rod is vertically arranged between first sliding block and the second sliding block, it is described
The lower end of sliding slot is horizontally disposed to have the first lever, the top level of the sliding slot to be equipped with the second lever, the top of second sliding block
Elastic floating device is equipped between portion and the second lever.
Preferably, the elastic floating device includes the floating ball being fixedly connected at the top of the second sliding block, and the floating ball is remote
One end from the second sliding block is connect by spring with the second lever.
Preferably, the geotextiles are two layers.
Preferably, a diameter of 0.25-0.30m of the steel pipe.
Preferably, the diameter of described hole is the 1/10 of steel pipe nozzle diameter.
Preferably, a diameter of 1-1.02m of the sump.
Preferably, the depth of the sump is 5-5.5m.
The beneficial effects of the present invention are：
（1）The present invention is equipped with the steel pipe of hole by being arranged with outer wall in sump, and outer wall of steel pipe is enclosed with geotextiles, and steel
It is filled with grains of sand stone between pipe and sump, the water in sump is filtered, the water in foundation pit is drained by water pump, accelerates
Soil consolidation speed improves soil bearing capacity, to reach by construction schedule requirement charge operation；
（2）The lower section of the drinking-water pipe of water pump of the present invention in steel pipe is equipped with filter mechanism, including the first filter screen and the second mistake
Strainer, and the symmetrical both sides of the first filter frame of the first filter screen are connected by the first sliding block with sliding slot, the second filter screen
The symmetrical both sides of the second filter frame be connected with sliding slot by the second sliding block, when the water level in steel pipe rises to the second filtering
When net, floating ball drives the first filter screen and the second filter screen along sliding slot upward sliding, when the spring being connect with floating ball and second
When baffle is compressed to utmostly, when being more than the buoyancy of floating ball, drive the first filter screen and the second filter screen downward along sliding slot
Sliding, when the first sliding block encounters the first lever, reversed elastic force drives the first filter screen and the second filter screen along sliding slot again
Upward sliding, repeatedly so that the first filter screen and the second filter screen constantly stop impurity etc. across the first screen cloth and the
Two screen cloths avoid impurity etc. from entering in water pump, and reduce the attachment of impurity on the first screen cloth and the second screen cloth, slow down blocking first
Screen cloth and the second screen cloth, increase its service life.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of the steel pipe of the present invention；
Fig. 3 is the vertical view of the present invention；
Fig. 4 is the sectional view of the present invention；
Fig. 5 is the filter layer of the present invention and the structural schematic diagram of elastic floating device；
Reference numeral：1, sump, 2, steel pipe, 3, hole, 4, geotextiles, 5, sand gravel, 6, water pump, 7, drinking-water pipe, 8, sliding slot,
9, the first filter screen, the 901, first filter frame, the 902, first screen cloth, the 10, second filter screen, the 1001, second filter frame, 1002,
Second screen cloth, the 11, first sliding block, the 12, second sliding block, 13, connecting rod, the 14, first lever, the 15, second lever, 16, floating ball,
17, spring.
Specific implementation mode
The present invention is further explained in the light of specific embodiments：
A kind of soft soil foundation base pit dewatering device, including several are arranged in the sump 1 of foundation pit surrounding in the form of well point, it is described
A diameter of 1.0m of sump, depth 5.0m, are arranged with steel pipe 2 in the sump 1, a diameter of 25cm of the steel pipe 2,
The bottom of the steel pipe 2 is touched with the bottom connection of sump 1, and the top of the steel pipe 2 extends to the outside of sump 1, described
Several holes 3 are evenly distributed on steel pipe 2, the diameter of described hole 3 is the 1/10 of 2 nozzle diameter of steel pipe, the sump 1
Inner wall and the outer wall of steel pipe 2 between be filled with sand gravel 5, outer wall of the sand gravel 5 in the inner wall and steel pipe 2 of sump 1
Between radial thickness be 35 cm, the outer wall of the steel pipe 2 is also enclosed with geotextiles 4, and the geotextiles 4 are two layers, the steel
It is equipped with water pump 6 close to the bottom of steel pipe in 2 inner cavity of pipe, the pump mouth of the water pump 6 is connected with drinking-water pipe 7, is located under drinking-water pipe 7
It being vertically arranged fluted on the steel pipe inner wall of side, sliding slot 8 is provided in groove, the water outlet of the water pump 6 is connected with drainpipe,
The drainpipe is connected with header tank, can mitigate the pressure of water resource, the drinking-water pipe 7 with Collection utilization by the water of filtering
Include the water main for connecting and being vertically arranged with pump mouth and several points for being located at water main both sides and being connected with water main
Branching pipe increases the area that draws water so that draw water more efficient, the water main outer wall above the branch water pipe of the top is equipped with
Through-hole through inner cavity is arranged with third filter screen in the nozzle of the drinking-water pipe 7, and the third filter screen includes for filtering
The bottom end of water main nozzle and vertical end for filtering both sides branch water pipe and water main connectivity part further mitigate and draw water
The filter pressure of pump increases the service life of suction pump, and the both sides at the top of the third filter screen vertical end are horizontally disposed side
The edge on edge, the third filter screen is fixed on by being fastened in the through-hole of drinking-water pipe in drinking-water pipe 7, is not easy to be rushed by water
Fall.
2 inner cavity of the steel pipe, which is located at below drinking-water pipe, is provided with filter mechanism, and the filter mechanism includes being located to take out
It is horizontally set below water pipe 7 and successively from top to bottom in 1 pipe of steel pipe
First filter screen 9 and the second filter screen 10, first filter screen 9 include the first filter frame 901 and are filtered positioned at first
The first screen cloth 902 in frame, second filter screen 10 include the second filter frame 1001 and in the second filter frame second
Screen cloth 1002, the aperture of first screen cloth 902 are more than the aperture of the second screen cloth 1002, if the first filter screen 9 and the is only arranged
Two filter screens 10 can intercept certain impurity, but with the lengthening of time, impurity can be attached to the first filter screen 9 and second
On filter screen 10, mesh is blocked, and flow from lower to upper, cannot be by most impurity from the first filter screen 9 and the when drawing water
It is washed away on two filter screens 10；
The symmetrical both sides of first filter frame 901 are connected by the first sliding block 11 with sliding slot 8 respectively, second filtering
The symmetrical both sides of frame 1001 are connected by the second sliding block 12 with sliding slot 8 respectively, first sliding block, 11 and second sliding block 12
Between be vertically arranged with connecting rod 13, the lower end of the sliding slot 8 is horizontally disposed the first lever 14, the top water of the sliding slot 8
It is flat to be equipped with the second lever 15, elastic floating device, the bullet are equipped between the top of second sliding block 12 and the second lever 15
Property floating installation includes the floating ball 16 being fixedly connected with the top of the second sliding block 12, the one end of the floating ball 16 far from the second sliding block
It is connect with the second lever 15 by spring 17, when the water level in steel pipe 2 rises to the second filter screen 10, floating ball 16 drives first
Filter screen 9 and the second filter screen 10 are along 8 upward sliding of sliding slot, when the spring 17 being connect with floating ball 16 and the second bar 15 compress
To utmostly when, when being more than the buoyancy of floating ball 16, drive the first filter screen 9 and the second filter screen 10 along sliding slot 8 to downslide
It is dynamic, when the first sliding block 11 encounters the first lever 14, reversed elastic force drive again the first filter screen 9 and the second filter screen 10 along
8 upward sliding of sliding slot, not only drives the continuous movement of the first filter screen 9 and the second filter screen 10 repeatedly, while driving water
Stream direction ceaselessly converts so that the first filter screen 9 and the second filter screen 10 constantly stop impurity etc. pass through the first screen cloth and
Second screen cloth avoids impurity etc. from entering in water pump, and reduces the attachment of impurity on the first screen cloth 902 and the second screen cloth 1002, subtracts
It is slow to block the first screen cloth 902 and the second screen cloth 1002, increase its service life, the bottom end of first sliding block 11 can also be arranged
There is floating ball, spring is also equipped between floating ball and the first lever 14, when buoyancy is more than gravity, drives integral filter mechanism upward
It floats, while pulling the spring elongation being connect with the first lever 14, when the spring elongation being connect with the first lever 14 is to most substantially
When spending, gravity is when being more than the buoyancy of floating ball, and integral filter mechanism moves down, and compresses the spring that is connect with the first lever 14, when
When being compressed to the limit, filter mechanism upward sliding is driven again.
The basic principles, main features and advantages of the invention have been shown and described above, and the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention, the claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of soft soil foundation base pit dewatering device, it is characterised in that：It is located at the sump of foundation pit surrounding including several（1）,
The sump（1）Inside it is arranged with steel pipe（2）, the steel pipe（2）Bottom and sump（1）Bottom connection touch, the steel
Pipe（2）Top extend to sump（1）Outside, the steel pipe（2）On be evenly distributed with several holes（3）, the collection
Well（1）Inner wall and steel pipe（2）Outer wall between be filled with sand gravel（5）, the steel pipe（2）Outer wall be also enclosed with geotechnique
Cloth（4）, the steel pipe（2）In inner cavity water pump is equipped with close to the bottom of steel pipe（6）, the water pump（6）Pump mouth be connected with pumping
Water pipe（7）.
2. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：The steel pipe（1）Interior position
In drinking-water pipe（7）Lower section be provided with filter mechanism.
3. a kind of soft soil foundation base pit dewatering device according to claim 2, it is characterised in that：The filter mechanism packet
It includes and is located at drinking-water pipe（7）Lower section and it is horizontally set on steel pipe successively from top to bottom（1）The first filter screen in pipe（9）With the second mistake
Strainer（10）, first filter screen（9）Including the first filter frame（901）And the first screen cloth in the first filter frame
（902）, second filter screen（10）Including the second filter frame（1001）And the second screen cloth in the second filter frame
（1002）, first screen cloth（902）Aperture be more than the second screen cloth（1002）Aperture.
4. a kind of soft soil foundation base pit dewatering device according to claim 3, it is characterised in that：Positioned at drinking-water pipe（7）Under
It is vertically arranged fluted on the steel pipe inner wall of side, sliding slot is provided in groove（8）, first filter frame（901）Symmetrical
Both sides pass through the first sliding block respectively（11）With sliding slot（8）It is connected, second filter frame（1001）Symmetrical both sides difference
Pass through the second sliding block（12）With sliding slot（8）It is connected, first sliding block（11）With the second sliding block（12）Between be vertically arranged with
Connecting rod（13）, the sliding slot（8）Lower end horizontally disposed have the first lever（14）, the sliding slot（8）Top level be equipped with
Second lever（15）, second sliding block（12）Top and the second lever（15）Between be equipped with elastic floating device.
5. a kind of soft soil foundation base pit dewatering device according to claim 4, it is characterised in that：The elastic floating device
Including with the second sliding block（12）The floating ball that is fixedly connected of top（16）, the floating ball（16）One end far from the second sliding block passes through
Spring（17）With the second lever（15）Connection.
6. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：The geotextiles（4）For
Two layers.
7. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：The steel pipe（2）It is straight
Diameter is 0.25-0.30m.
8. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：Described hole（3）It is straight
Diameter is steel pipe（2）The 1/10 of nozzle diameter.
9. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：The diameter of the sump
For 1-1.02m.
10. a kind of soft soil foundation base pit dewatering device according to claim 1, it is characterised in that：The depth of the sump
Degree is 5-5.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186920.5A CN108286259B (en) | 2018-03-07 | 2018-03-07 | A kind of soft soil foundation base pit dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186920.5A CN108286259B (en) | 2018-03-07 | 2018-03-07 | A kind of soft soil foundation base pit dewatering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108286259A true CN108286259A (en) | 2018-07-17 |
| CN108286259B CN108286259B (en) | 2019-10-25 |
Family
ID=62833247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810186920.5A Active CN108286259B (en) | 2018-03-07 | 2018-03-07 | A kind of soft soil foundation base pit dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286259B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459097A (en) * | 2020-11-14 | 2021-03-09 | 熊巧云 | Be used for deep sand type soil deep basal pit excavation water level control device |
| CN112922000A (en) * | 2020-02-17 | 2021-06-08 | 盐城笃诚建设有限公司 | Device for treating precipitation in foundation pit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0813465A (en) * | 1994-06-29 | 1996-01-16 | Nittoc Constr Co Ltd | Drainage boring method |
| CN204000909U (en) * | 2014-05-27 | 2014-12-10 | 江苏南通三建集团有限公司 | A kind of immersed tube Precipitation Structure |
| CN205242416U (en) * | 2015-12-17 | 2016-05-18 | 江苏建筑职业技术学院 | Downcomer filter equipment |
| CN205954646U (en) * | 2016-06-21 | 2017-02-15 | 中国水利水电第五工程局有限公司 | Deep basal pit excavation precipitation device |
| CN206599786U (en) * | 2017-03-17 | 2017-10-31 | 北京鑫大禹水利建筑工程有限公司 | A kind of construction drainage of foundation pit device |
| CN206873476U (en) * | 2017-03-30 | 2018-01-12 | 袁道华 | A kind of construction Precipitation Structure |
-
2018
- 2018-03-07 CN CN201810186920.5A patent/CN108286259B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0813465A (en) * | 1994-06-29 | 1996-01-16 | Nittoc Constr Co Ltd | Drainage boring method |
| CN204000909U (en) * | 2014-05-27 | 2014-12-10 | 江苏南通三建集团有限公司 | A kind of immersed tube Precipitation Structure |
| CN205242416U (en) * | 2015-12-17 | 2016-05-18 | 江苏建筑职业技术学院 | Downcomer filter equipment |
| CN205954646U (en) * | 2016-06-21 | 2017-02-15 | 中国水利水电第五工程局有限公司 | Deep basal pit excavation precipitation device |
| CN206599786U (en) * | 2017-03-17 | 2017-10-31 | 北京鑫大禹水利建筑工程有限公司 | A kind of construction drainage of foundation pit device |
| CN206873476U (en) * | 2017-03-30 | 2018-01-12 | 袁道华 | A kind of construction Precipitation Structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922000A (en) * | 2020-02-17 | 2021-06-08 | 盐城笃诚建设有限公司 | Device for treating precipitation in foundation pit |
| CN112922000B (en) * | 2020-02-17 | 2022-02-11 | 盐城笃诚建设有限公司 | Device for treating precipitation in foundation pit |
| CN112459097A (en) * | 2020-11-14 | 2021-03-09 | 熊巧云 | Be used for deep sand type soil deep basal pit excavation water level control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108286259B (en) | 2019-10-25 |
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