CN103452124A - Method and device for removing accumulated water in foundation pit - Google Patents
Method and device for removing accumulated water in foundation pit Download PDFInfo
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- CN103452124A CN103452124A CN2013103962352A CN201310396235A CN103452124A CN 103452124 A CN103452124 A CN 103452124A CN 2013103962352 A CN2013103962352 A CN 2013103962352A CN 201310396235 A CN201310396235 A CN 201310396235A CN 103452124 A CN103452124 A CN 103452124A
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- urceolus
- inner core
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- foundation ditch
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 239000003651 drinking water Substances 0.000 claims description 15
- 235000020188 drinking water Nutrition 0.000 claims description 14
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
The invention discloses a method and a device for removing accumulated water in a foundation pit, which solve the problems of high energy consumption and easy blockage of a water pumping device. This foundation ditch ponding eduction gear includes urceolus, inner tube and pumping device, evenly is provided with a plurality of drainage holes on urceolus upper end opening and the section of thick bamboo wall, and inner tube upper end opening and this inner tube setting are inside the urceolus, and the height that highly is less than the urceolus of inner tube, pumping device and the inside intercommunication of inner tube. According to the method and the device for removing the accumulated water in the foundation pit, the accumulated water flows into the inner cylinder after being filtered through the water filtering holes in the outer cylinder, and the water pumping device pumps water from the inner cylinder for removal, so that the blockage of the water pumping device is prevented, the water pumping device does not need to be started at any time, and the energy is saved.
Description
Technical field
The present invention relates to the realm of building construction, especially a kind of foundation ditch ponding method for removing and equipment.
Background technology
In the foundation pit constructions such as building, structure; for preventing the infiltration of underground water; guarantee the stable of excavation slope; create dry and safe construction environment; often can run into the problem of foundation pit dewatering; common method is to adopt well-point pipe to insert pipe well to aquifer, utilizes pumping equipment that underground water is gone out from not stop pumping in well-point pipe, makes original underground water be down to hole at the end.In work progress, will constantly draw water, until it is complete to construct, energy consumption is larger, and easily produces and stop up, and causes water plug to break down.
Summary of the invention
Technical problem to be solved by this invention is: the foundation ditch ponding method for removing and the device that provide a kind of and do not stop up, energy consumption are little.
The present invention solves the foundation ditch accumulated water drainage device that its technical problem adopts, and comprises urceolus, inner core and water plug, on described urceolus upper end open lower end closed and this urceolus barrel, is provided with a plurality for the treatment of holes, described inner core upper end open lower end closed; The diameter of described inner core is less than the diameter of urceolus, and inner core is arranged on urceolus inside, and the height of inner core is lower than the height of urceolus, described water plug and inner core internal communication.
For improving the ponding filter effect, on described urceolus, the height of the treatment hole of the superiors, lower than the height of inner core, is filled with filtration beds between inner core barrel and urceolus barrel.
For further improving filter effect, at described filtration beds upper surface, be provided with and filter sponge.
For reducing costs, described filtration beds adopts cobble to fill.
Cleaning for convenience of the foundation ditch accumulated water drainage device is changed, and on described urceolus, is provided with hanger.
Described water plug comprises water pumper, drinking-water pipe and gutter; Described drinking-water pipe one end is communicated with water pumper, and the other end stretches into inner core; Described gutter one end is communicated with water pumper, and the other end stretches out urceolus.
The present invention solves the foundation ditch ponding method for removing that its technical problem adopts, and comprises the following steps:
A, according to the water level of foundation ditch ponding with need the degree of depth of draining, be chosen in foundation ditch surrounding excavation drain;
B, will there is the foundation ditch accumulated water drainage device that filters drain function and be installed to drain, this foundation ditch accumulated water drainage device comprises urceolus, inner core and water plug, be provided with a plurality for the treatment of holes on described urceolus upper end open lower end closed and this urceolus barrel, described inner core upper end open lower end closed; The diameter of described inner core is less than the diameter of urceolus, and inner core is arranged on urceolus inside, and the height of inner core is lower than the height of urceolus, described water plug and inner core internal communication; Described foundation ditch accumulated water drainage device when mounted, guarantees the liquid level of the height of inner core lower than ponding in drain;
C, unlatching foundation ditch accumulated water drainage device are got rid of ponding.
Described in step b on urceolus the height of the treatment hole of the superiors lower than the height of inner core, be provided with the filtration beds of being filled by cobble between inner core barrel and urceolus barrel, and lay and filter sponge at this filtration beds upper surface.
Water plug described in step b comprises water pumper, drinking-water pipe and gutter; Described drinking-water pipe one end is communicated with water pumper, and the other end stretches into inner core; Described gutter one end is communicated with water pumper, and the other end stretches out urceolus.
Described treatment hole aperture is 10-20mm, and the cobble average grain diameter is 8-16mm.
The invention has the beneficial effects as follows: foundation ditch accumulated water drainage device of the present invention, after filtering by the treatment hole on urceolus due to ponding, flow in inner core, the water plug eliminating of drawing water from inner core, prevented on the one hand the obstruction of water plug, need not at every moment all open water plug on the other hand, save the energy; Due to the height of the treatment hole of the superiors on the described urceolus height lower than inner core, be filled with filtration beds between described inner core barrel and urceolus barrel, improved the filter effect of ponding; Filter sponge owing to being provided with at described cobble upper surface, further improved filter effect, make the water filtered out cleaner, can recycle; Fill because described filtration beds adopts cobble, reduced cost; Owing on described urceolus, being provided with hanger, having facilitated the lifting of foundation ditch accumulated water drainage device, thereby facilitated the cleaning of whole device and the replacing of cobble.Foundation ditch ponding method for removing of the present invention, owing to adopting above-mentioned foundation ditch accumulated water drainage device, after making ponding filter by the treatment hole on urceolus, flow in inner core, the water plug eliminating of drawing water from inner core, prevented on the one hand the obstruction of water plug, need not at every moment all open water plug on the other hand, save the energy.
The accompanying drawing explanation
The structural representation that Fig. 1 is foundation ditch ponding method for removing of the present invention foundation ditch accumulated water drainage device used;
In figure, 1-urceolus, 2-inner core, 3-filtration beds, 4-filtration sponge, 5-hanger, 6-water pumper, 7-drinking-water pipe, 8-gutter.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, foundation ditch accumulated water drainage device of the present invention, comprise urceolus 1, inner core 2 and water plug, on described urceolus 1 upper end open lower end closed and this urceolus 1 barrel, is provided with a plurality for the treatment of holes, described inner core 2 upper end open lower end closed; The diameter of described inner core 2 is less than the diameter of urceolus 1, and inner core 2 is arranged on urceolus 1 inside, and the height of inner core 2 is lower than the height of urceolus 1, described water plug and inner core 2 internal communication.Foundation ditch accumulated water drainage device of the present invention, during use, after filtering by the treatment hole on urceolus 1 due to ponding, flow in inner core 2, until the water level in inner core 2, rise over flowing into after the height of inner core 2 in inner core 2, open water plug eliminatings of drawing water from inner core 2, one side has prevented the obstruction of water plug, can wait for that on the other hand the ponding in inner core 2 reaches a certain amount of water plug of opening again, need not at every moment all open water plug, save the energy.
For improving the ponding filter effect, further prevent that water plug from stopping up, on described urceolus 1, the height of the treatment hole of the superiors, lower than the height of inner core 2, is filled with filtration beds 3 between inner core 2 barrels and urceolus 1 barrel.If filter without filtration beds 3, ponding only filters once by treatment hole, and resulting ponding is chaos comparatively, particle is many, being unfavorable for the water plug draining, is therefore to be filled with filtration beds 3 between described inner core 2 barrels and urceolus 1 barrel as preferred mode, improves filter effect.Due to the height of the treatment hole of the superiors on described urceolus 1 height lower than inner core 2, be filled with filtration beds 3 between inner core 2 barrels and urceolus 1 barrel, ponding water hole after filtration filters through filtration beds 3 after filtering again, and then flow in inner core 2, improve the filter effect of ponding, further prevented the obstruction of water plug.
For further improving filter effect, at described filtration beds 3 upper surfaces, be provided with and filter sponge 4.Filter sponge 4 owing to being provided with at described filtration beds 3 upper surfaces, further improved filter effect, make the water filtered out cleaner, be difficult for stopping up water plug, and can recycle in other operations.
For reducing costs, described filtration beds 3 adopts cobble to fill.Filtration beds 3 can adopt the fillings such as sand, iron block, but the sand degree of filtration is higher, and the time used is longer, be unfavorable for draining, the iron block cost is higher, and is difficult for making, the synthesise various factor is that described filtration beds 3 adopts cobble to fill as preferred mode.Cobble stone commonly used in building, common, easily obtain, described filtration beds adopts cobble to fill, after using or the cobble changed can also, for building concreting, reduce cost.
Be provided with hanger 5 on described urceolus 1.Owing on described urceolus 1, being provided with hanger 5, having facilitated the lifting of foundation ditch accumulated water drainage device, thereby facilitated the cleaning of whole device and the replacing of cobble.After using a period of time, the bits in cobble are many, and filter effect is bad, can catch on hanger 5 with crane, the foundation ditch accumulated water drainage device is put forward, to whole device cleaning and replacing cobble, lift again after populated new cobble and put back to drain continuation use.
Described water plug comprises water pumper 6, drinking-water pipe 7 and gutter 8; Described drinking-water pipe 7 one ends are communicated with water pumper 6, and the other end stretches into inner core 2; Described gutter 8 one ends are communicated with water pumper 6, and the other end stretches out urceolus 1.Water plug can draw water with submersible pump etc., but submersible pump when drawing water, must put into below liquid level by the whole pump housing, sometimes also want adjusting position, quite inconvenience in the time of use, therefore preferably adopt water pumper 6 drainings.During actual the use, water pumper 6 can be put on the ground, drinking-water pipe 7 stretches into inner core 2, gutter 8 stretches out urceolus 1, when ponding flows into inner core 2 from the openend of inner core 2 after water hole, filtration beds 3 filtrations successively after filtration, when water reach a certain height, opening water pumper 6 draws water, close water pumper 6 after exhausting, wait for that opening water pumper 6 draws water, to reduce energy consumption next time.
Foundation ditch ponding method for removing of the present invention comprises the following steps:
A, according to the water level of foundation ditch ponding with need the degree of depth of draining, be chosen in foundation ditch surrounding excavation drain;
B, will there is the foundation ditch accumulated water drainage device that filters drain function and be installed to drain, this foundation ditch accumulated water drainage device comprises urceolus 1, inner core 2 and water plug, be provided with a plurality for the treatment of holes on described urceolus 1 upper end open lower end closed and this urceolus 1 barrel, described inner core 2 upper end open lower end closed; The diameter of described inner core 2 is less than the diameter of urceolus 1, and inner core 2 is arranged on urceolus 1 inside, and the height of inner core 2 is lower than the height of urceolus 1, described water plug and inner core 2 internal communication; Described foundation ditch accumulated water drainage device when mounted, guarantees the liquid level of the height of inner core 2 lower than ponding in drain;
C, unlatching foundation ditch accumulated water drainage device are got rid of ponding.
It should be noted that, drain described in step a is the hole that the ponding that digs out in foundation ditch is used, be used as to install the foundation ditch accumulated water drainage device in the present invention, drain will be according to the water level and the degree of depth excavation that needs draining of foundation ditch ponding, for example the water accumulation level in foundation ditch is higher, the ponding on foundation ditch surface need to be got rid of, only need a little degree of depth of excavation, or directly choose the hypsography low-lying place draining of foundation ditch accumulated water drainage device is installed; If the water accumulation level in foundation ditch is lower, need the darker drain of excavation that the foundation ditch accumulated water drainage device is installed; Be no matter that water level in foundation ditch is high or water level is low, in order to reduce workload, generally all be chosen in hypsography low-lying place excavation drain, not only reduce workload, and ponding easily collects, be beneficial to the eliminating of ponding.
It should be noted that on the barrel of urceolus 1 in step b, a plurality for the treatment of holes being set is in order to filter ponding, prevent that water plug from stopping up; The purpose that inner core 2 is set is in order to facilitate ponding to store in inner core 2, can treat that ponding in inner core 2 reaches a certain amount of and drains the water away opening discharging device, intermittently opens water plug, has reduced energy consumption.Described foundation ditch accumulated water drainage device when mounted, guarantee the liquid level of the height of inner core 2 lower than ponding in drain, according to the atmospheric pressure principle, ponding in foundation ditch will enter urceolus 1 from treatment hole and enter inner core 2 again, when the ponding in inner core 2 reaches a certain amount of, open water plug ponding is got rid of.
On urceolus described in step b 1, the height of the treatment hole of the superiors, lower than the height of inner core 2, is provided with the filtration beds 3 of being filled by cobble between inner core 2 barrels and urceolus 1 barrel, and lays and filter sponge 4 at these filtration beds 3 upper surfaces.If filter without filtration beds 3, ponding only filters once by treatment hole, resulting ponding chaos comparatively in inner core 2, and particle is many, being unfavorable for the water plug draining, is therefore to be filled with filtration beds 3 between described inner core 2 barrels and urceolus 1 barrel as preferred mode.Due to the height of the treatment hole of the superiors on described urceolus 1 height lower than inner core 2, be filled with filtration beds 3 between inner core 2 barrels and urceolus 1 barrel, ponding water hole after filtration filters through filtration beds 3 after filtering again, and then flow in inner core 2, improve the filter effect of ponding, further prevented the obstruction of water plug.Filter sponge 4 owing to being provided with at described filtration beds 3 upper surfaces, the ponding after filtering layer 3 filters is sponge 4 filtrations after filtration again, have further improved the filter effect of ponding, make the water filtered out cleaner, can recycle in other operations.Due to cobble build in stone commonly used, common, easily obtain, described filtration beds 3 adopts cobbles to fill, after using or the cobble changed can also, for building concreting, reduce cost.
Water plug described in step b comprises water pumper 6, drinking-water pipe 7 and gutter 8; Described drinking-water pipe 7 one ends are communicated with water pumper 6, and the other end stretches into inner core 2; Described gutter 8 one ends are communicated with water pumper 6, and the other end stretches out urceolus 1.During actual the use, likely, because other construction reason water pumpers can not be placed on the ground, water pumper 6 can bundle with wire rope, and the wire rope two ends tie up on hanger 5, simple and easy fixing; Also can the cylinder of the upper end of urceolus 1 along on set up fixed head, water pumper is placed on fixed head.The end that stretches into the drinking-water pipe 7 of inner core 2 keeps the distance apart from inner core 2 bottom surface 7-15cm, and the too short easy generation of this distance is stopped up, and the long displacement of this distance is less.
Described treatment hole aperture is 10-20mm, and the cobble average grain diameter is 8-16mm.Generally, the treatment hole aperture is set to 10-20mm, and the rate of filtration that aperture is little is slow, can cause the delay of duration; Aperture is large, and the bits such as earth easily enter filtration beds together, easily stops up.Do not have overanxious effect.The aperture that therefore preferred mode is treatment hole is set to 10-20mm.Described cobble average grain diameter is 8-16mm.If the average grain diameter of cobble is too small, the rate of filtration of ponding is slower, likely can incur loss through delay the duration, if the average grain diameter of cobble is larger, bits likely, directly by entering into inner core, do not reach the effect of filtration.
Claims (10)
1. foundation ditch accumulated water drainage device, it is characterized in that: comprise urceolus (1), inner core (2) and water plug, be provided with a plurality for the treatment of holes on described urceolus (1) upper end open lower end closed and this urceolus (1) barrel, described inner core (2) upper end open lower end closed; The diameter of described inner core (2) is less than the diameter of urceolus (1), and inner core (2) is arranged on urceolus (1) inside, and the height of inner core (2) is lower than the height of urceolus (1), described water plug and inner core (2) internal communication.
2. foundation ditch accumulated water drainage device according to claim 1 is characterized in that: the height of the treatment hole of the upper the superiors of described urceolus (1), lower than the height of inner core (2), is filled with filtration beds (3) between inner core (2) barrel and urceolus (1) barrel.
3. foundation ditch accumulated water drainage device according to claim 2, is characterized in that: at described filtration beds (3) upper surface, be provided with and filter sponge (4).
4. according to the described foundation ditch accumulated water drainage device of claim 2 or 3, it is characterized in that: described filtration beds (3) adopts cobble to fill.
5. foundation ditch accumulated water drainage device according to claim 4, is characterized in that: be provided with hanger (5) on described urceolus (1).
6. foundation ditch accumulated water drainage device according to claim 5, it is characterized in that: described water plug comprises water pumper (6), drinking-water pipe (7) and gutter (8); Described drinking-water pipe (7) one ends are communicated with water pumper (6), and the other end stretches into inner core (2); Described gutter (8) one ends are communicated with water pumper (6), and the other end stretches out urceolus (1).
7. foundation ditch ponding method for removing is characterized in that: comprise the following steps:
A, according to the water level of foundation ditch ponding with need the degree of depth of draining, be chosen in foundation ditch surrounding excavation drain;
B, will there is the foundation ditch accumulated water drainage device that filters drain function and be installed to drain, this foundation ditch accumulated water drainage device comprises urceolus (1), inner core (2) and water plug, be provided with a plurality for the treatment of holes on described urceolus (1) upper end open lower end closed and this urceolus (1) barrel, described inner core (2) upper end open lower end closed; The diameter of described inner core (2) is less than the diameter of urceolus (1), and inner core (2) is arranged on urceolus (1) inside, and the height of inner core (2) is lower than the height of urceolus (1), described water plug and inner core (2) internal communication; Described foundation ditch accumulated water drainage device when mounted, guarantees the liquid level of the height of inner core (2) lower than ponding in drain;
C, unlatching foundation ditch accumulated water drainage device are got rid of ponding.
8. foundation ditch ponding method for removing according to claim 7, it is characterized in that: the height of the treatment hole of the upper the superiors of urceolus described in step b (1) is lower than the height of inner core (2), be provided with the filtration beds (3) of being filled by cobble between inner core (2) barrel and urceolus (1) barrel, and lay and filter sponge (4) at this filtration beds (3) upper surface.
9. foundation ditch ponding method for removing according to claim 8, it is characterized in that: described water plug comprises water pumper (6), drinking-water pipe (7) and gutter (8); Described drinking-water pipe (7) one ends are communicated with water pumper (6), and the other end stretches into inner core (2); Described gutter (8) one ends are communicated with water pumper (6), and the other end stretches out urceolus (1).
10. according to claim 7,8 or 9 described foundation ditch ponding method for removing, it is characterized in that: described treatment hole aperture is 10-20mm, and the cobble average grain diameter is 8-16mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396235.2A CN103452124B (en) | 2013-09-04 | 2013-09-04 | Method and device for removing accumulated water in foundation pit |
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|---|---|---|---|
| CN201310396235.2A CN103452124B (en) | 2013-09-04 | 2013-09-04 | Method and device for removing accumulated water in foundation pit |
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| CN103452124A true CN103452124A (en) | 2013-12-18 |
| CN103452124B CN103452124B (en) | 2015-10-28 |
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| CN201310396235.2A Active CN103452124B (en) | 2013-09-04 | 2013-09-04 | Method and device for removing accumulated water in foundation pit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774698A (en) * | 2014-02-14 | 2014-05-07 | 中国十九冶集团有限公司 | Drainage-free construction method for soil engineering |
| CN108799209A (en) * | 2018-06-21 | 2018-11-13 | 杭州聚川环保科技股份有限公司 | A kind of water discharge method using negative-pressure ward pit water accumulation |
| CN109736340A (en) * | 2019-02-22 | 2019-05-10 | 宁蔚蔚 | A kind of sole plate reserves the dewatering device and method of dewatering well guarantee bed course integrality |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63293224A (en) * | 1987-05-23 | 1988-11-30 | Shimizu Constr Co Ltd | Groundwater draining work |
| CN201794082U (en) * | 2010-06-30 | 2011-04-13 | 中国华冶科工集团有限公司 | Local precipitation and drainage device for deep foundation pit |
| CN202450536U (en) * | 2011-12-29 | 2012-09-26 | 青岛新华友建工集团股份有限公司 | Shallow dewatering and plugging construction device in foundation pit |
| CN202577326U (en) * | 2012-02-14 | 2012-12-05 | 江苏江中集团有限公司 | Water lowering device for mine pit |
| CN203022015U (en) * | 2012-12-11 | 2013-06-26 | 中建七局第四建筑有限公司 | Foundation raft bottom partial deep foundation pit dewatering device |
| CN203429654U (en) * | 2013-09-04 | 2014-02-12 | 中国十九冶集团有限公司 | Accumulated water removing device for foundation pit |
-
2013
- 2013-09-04 CN CN201310396235.2A patent/CN103452124B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63293224A (en) * | 1987-05-23 | 1988-11-30 | Shimizu Constr Co Ltd | Groundwater draining work |
| CN201794082U (en) * | 2010-06-30 | 2011-04-13 | 中国华冶科工集团有限公司 | Local precipitation and drainage device for deep foundation pit |
| CN202450536U (en) * | 2011-12-29 | 2012-09-26 | 青岛新华友建工集团股份有限公司 | Shallow dewatering and plugging construction device in foundation pit |
| CN202577326U (en) * | 2012-02-14 | 2012-12-05 | 江苏江中集团有限公司 | Water lowering device for mine pit |
| CN203022015U (en) * | 2012-12-11 | 2013-06-26 | 中建七局第四建筑有限公司 | Foundation raft bottom partial deep foundation pit dewatering device |
| CN203429654U (en) * | 2013-09-04 | 2014-02-12 | 中国十九冶集团有限公司 | Accumulated water removing device for foundation pit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774698A (en) * | 2014-02-14 | 2014-05-07 | 中国十九冶集团有限公司 | Drainage-free construction method for soil engineering |
| CN103774698B (en) * | 2014-02-14 | 2015-05-06 | 中国十九冶集团有限公司 | Drainage-free construction method for soil engineering |
| CN108799209A (en) * | 2018-06-21 | 2018-11-13 | 杭州聚川环保科技股份有限公司 | A kind of water discharge method using negative-pressure ward pit water accumulation |
| CN109736340A (en) * | 2019-02-22 | 2019-05-10 | 宁蔚蔚 | A kind of sole plate reserves the dewatering device and method of dewatering well guarantee bed course integrality |
| CN110055987A (en) * | 2019-05-31 | 2019-07-26 | 长沙市市政工程有限责任公司 | A kind of rich water mobile sand layer foundation pit tool-type dewatering well device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452124B (en) | 2015-10-28 |
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