CN102505677A - Method for controlling sedimentation through recharging engineering groundwater - Google Patents
Method for controlling sedimentation through recharging engineering groundwater Download PDFInfo
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- CN102505677A CN102505677A CN2011102953253A CN201110295325A CN102505677A CN 102505677 A CN102505677 A CN 102505677A CN 2011102953253 A CN2011102953253 A CN 2011102953253A CN 201110295325 A CN201110295325 A CN 201110295325A CN 102505677 A CN102505677 A CN 102505677A
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Abstract
The invention discloses a method for controlling sedimentation through recharging engineering groundwater, comprising the following steps of: establishing a plurality of recharging working wells; ejecting a preset pipe to establish a recharging pipe; pumping groundwater in a dewatering well, meanwhile, carrying out purification treatment on the pumped groundwater, and recharging the groundwater to a water-bearing stratum. Due to the adoption of the method for controlling sedimentation through recharging engineering groundwater in the invention, high-flow groundwater recharge is realized, and groundwater pumping and recharging are kept balanced; and the method has the advantages of low cost, high efficiency, good sedimentation control effect and environment friendliness.
Description
Technical field
The present invention relates to a kind of method of controlling sedimentation, refer to a kind of method of engineering groundwater recharge control sedimentation especially.
Background technology
A large amount of exploiting groundwaters in China's commercial production, the engineering construction groundwater table occurred and have continued a series of serious problems such as decline, surface settlement at present; Wherein the underground construction dewatering construction has become the important channel of mining of groundwater.The problem that produces in order to improve mining of groundwater except controlling from the perspective of policy the mining of groundwater, measure such as can be taked to recharge and control.Generally speaking, groundwater recharge adopts pipe well to recharge, but existing pipe well diameter is less, and the single well reinjection amount is less, so the required recharge well quantity that sets is more, thereby cost has high input, and the amount of recharging of inaccessible design, and the control effect of settling is poor.
Summary of the invention
The objective of the invention is to overcome the defective of prior art; And provide a kind of engineering groundwater recharge to control the method for sedimentation; Realized the groundwater recharge of big flow, guaranteed groundwater mining and recharge and balance each other to have that cost is low, efficient is high, control that effect of settling is good, the advantage of environmental protection.
The technical scheme that realizes above-mentioned purpose is:
The method of a kind of engineering groundwater recharge control sedimentation of the present invention comprises the steps:
Set up a plurality of active wells that recharge;
The jacking present tube is set up and is recharged pipeline;
Extract the underground water in the precipitation well, simultaneously the underground water that has extracted is carried out purified treatment, and recharge to the aquifer.
Have plurality of through holes on the above-mentioned present tube, the inside and outside both sides of said through hole respectively are fixed with one first screen pack and one second screen pack, fill filtrate between said first screen pack and said second screen pack.
Above-mentioned present tube diameter is more than or equal to 2 meters.
Underground water in the above-mentioned extraction precipitation well carries out purified treatment to the underground water that has extracted simultaneously, and recharges to the aquifer and comprise the steps:
With the first water storage silo of the groundwater mining in the precipitation well;
Through strainer the underground water in the said first water storage silo is carried out purified treatment simultaneously, the underground water after the purified treatment is stored to one second water storage silo; And the underground water after the purified treatment in the second water storage silo recharged to the aquifer through the said pipeline that recharges.
Above-mentioned strainer is the filtration with manganese sand device.
The present invention has been owing to adopted above technical scheme, makes it have following beneficial effect to be:
Thereby owing to adopted large diameter present tube to realize that large diameter groundwater recharge pipeline has increased the amount of recharging of individual well; Promoted the efficient of recharging; Reduce required foundation and recharged the number of active well; Thereby reduced the cost of construction significantly, reduced the workload of engineering, improved the efficient of engineering.The underground water that has extracted is carried out purified treatment recharge again, prevented to recharge the problem that engineering pollutes quality of groundwater to the aquifer.Be fixed with double-layer filtering net on the through hole, when having guaranteed that the water in the present tube can recharge through through hole, prevented effectively that also the outside silt of present tube from getting in the pipe, causes the problem of prefabricated pipe pipeline blockage.Precipitation carries out with recharging synchronously in the engineering, has guaranteed groundwater mining and recharges and balance each other, and makes the drawdown that causes of drawing water go to zero, and has solved owing to causing the problem of stratum settlement for precipitation makes the groundwater table reduction in the engineering construction.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
The method of a kind of engineering groundwater recharge control sedimentation of the present invention comprises the steps:
Set up a plurality of active wells that recharge;
The jacking present tube is set up and is recharged pipeline, and the present tube diameter has plurality of through holes more than or equal to 2 meters on the present tube; The inside and outside both sides of through hole respectively are fixed with one first screen pack and one second screen pack; Fill filtrate between first screen pack and second screen pack, be fixed with double-layer filtering net on the through hole, when having guaranteed that the water in the present tube can recharge through through hole; Prevented effectively that also the outside silt of present tube from getting in the pipe, causes the problem of prefabricated pipe pipeline blockage.Thereby owing to adopted large diameter present tube to realize that large diameter groundwater recharge pipeline has increased the amount of recharging of individual well; Promoted the efficient of recharging; Reduce required foundation and recharged the number of active well; Thereby reduced the cost of construction significantly, reduced the workload of engineering, improved the efficient of engineering.With the first water storage silo of the groundwater mining in the precipitation well;
Through strainer the underground water in the first water storage silo is carried out purified treatment simultaneously, and the underground water after the purified treatment is stored to one second water storage silo; Underground water after the purified treatment in the second water storage silo is recharged to the aquifer through recharging pipeline.The underground water that has extracted is carried out purified treatment recharge again, prevented to recharge the problem that engineering pollutes quality of groundwater to the aquifer.Precipitation carries out with recharging synchronously in the engineering, has guaranteed groundwater mining and recharges and balance each other, and makes the drawdown that causes of drawing water go to zero, and has solved owing to causing the problem of stratum settlement for precipitation makes the groundwater table reduction in the engineering construction.
For example:
One underground five-layer structure, the dark 62m of space enclosing structure gets into top, aquifer, and excavation of foundation pit depth 32.88m establishes 8 roads and supports.Engineering is built the location space enclosing structure and is not cut off artesian aquifer, and next-door neighbour's structure has Building two high-rise, and bracing of foundation pit is close to bracing of foundation pit, and from main building 5.6m only recently, rail traffic station is with interval from the nearest 20m of foundation ditch; The relative settlement of track requires 2mm as requested, and control requires very high.Pumping test according to early stage; It is bigger to the influence of neighboring buildings, the face of land, light rail to take out artesian water; Thereby, under the situation of other term restriction, need of the influence of control dewatering confined water to surrounding enviroment; The cost that intercepts the precipitation influence owing to employing intensification space enclosing structure is too big, can only adopt the scheme of recharging to reduce influence.
At first, respectively be provided with one at the two ends of structure and recharge active well, recharge the active well plane and adopt circular.
Then, recharge installation jacking equipment in the active well, prefabricated pipe jacking to the other end is recharged active well, form the pipeline that recharges of a connection at one.2 meters of prefabricated pipe diameters, thick 25cm has plurality of through holes on the present tube, and the inside and outside both sides of through hole respectively are fixed with one first screen pack and one second screen pack, fill filtrate between first screen pack and second screen pack, and percent opening is controlled at about 20%.
Pass through the precipitation well again with the first water storage silo of the groundwater mining in the foundation ditch; Simultaneously through after two filtration with manganese sand device purified treatment; Extraction to one second water storage cylinder storage is deposited, and with the groundwater mining after the purified treatment in the second water storage silo to recharging active well, recharge to the aquifer through recharging pipeline; Thereby make the drawdown on structure limit go to zero, prevented that effectively groundwater table from reducing and causing the situation generation of stratum settlement.
More than combine embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (5)
1. the method for an engineering groundwater recharge control sedimentation is characterized in that, comprises the steps:
Set up a plurality of active wells that recharge;
The jacking present tube is set up and is recharged pipeline;
Extract the underground water in the precipitation well, simultaneously the underground water that has extracted is carried out purified treatment, and recharge to the aquifer.
2. the method for engineering groundwater recharge control sedimentation according to claim 1; It is characterized in that; Have plurality of through holes on the said present tube; The inside and outside both sides of said through hole respectively are fixed with one first screen pack and one second screen pack, fill filtrate between said first screen pack and said second screen pack.
3. the method for engineering groundwater recharge control sedimentation according to claim 1 and 2 is characterized in that said present tube diameter is more than or equal to 2 meters.
4. the method for engineering groundwater recharge according to claim 1 control sedimentation is characterized in that the underground water in the said extraction precipitation well carries out purified treatment to the underground water that has extracted simultaneously, and recharges to the aquifer and comprise the steps:
With the first water storage silo of the groundwater mining in the precipitation well;
Through strainer the underground water in the said first water storage silo is carried out purified treatment simultaneously, the underground water after the purified treatment is stored to one second water storage silo; And the underground water after the purified treatment in the second water storage silo recharged to the aquifer through the said pipeline that recharges.
5. the method for engineering groundwater recharge control sedimentation according to claim 4 is characterized in that said strainer is the filtration with manganese sand device.
Priority Applications (1)
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| CN2011102953253A CN102505677A (en) | 2011-09-29 | 2011-09-29 | Method for controlling sedimentation through recharging engineering groundwater |
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| CN2011102953253A CN102505677A (en) | 2011-09-29 | 2011-09-29 | Method for controlling sedimentation through recharging engineering groundwater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787606A (en) * | 2012-08-10 | 2012-11-21 | 中国二冶集团有限公司 | Protection method for ambient environment in processes of excavation and precipitation of foundation pit |
| CN102787611A (en) * | 2012-08-10 | 2012-11-21 | 中国二冶集团有限公司 | Precipitation method for excavation of foundation pit at collapsible loess region |
| CN103088836A (en) * | 2012-12-15 | 2013-05-08 | 天津大学 | Sedimentation control method for pumping water and performing reinjection in well casing simultaneously |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3690458B2 (en) * | 1998-02-06 | 2005-08-31 | 清水建設株式会社 | Ground improvement method |
| CN101126558A (en) * | 2007-09-27 | 2008-02-20 | 成都建工建筑节能科技有限公司 | Groundwater recharge method |
| CN101153759A (en) * | 2007-08-04 | 2008-04-02 | 赵克飞 | Groundwater recharging method for water resource heat pump type central air-conditioner |
| CN101298945A (en) * | 2008-06-18 | 2008-11-05 | 刘娇娜 | Ground water back pouring cyclic utilization method |
| KR100886117B1 (en) * | 2008-11-24 | 2009-02-27 | (주)휠탑 | Natural sand filtering method and the apparatus for artifical groundwater of valley |
| CN201367577Y (en) * | 2008-12-30 | 2009-12-23 | 上海长凯岩土工程有限公司 | Groundwater recharge well |
| CN101608445A (en) * | 2009-07-10 | 2009-12-23 | 上海隧道工程股份有限公司 | A kind of engineering underground raw water recharging method |
-
2011
- 2011-09-29 CN CN2011102953253A patent/CN102505677A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3690458B2 (en) * | 1998-02-06 | 2005-08-31 | 清水建設株式会社 | Ground improvement method |
| CN101153759A (en) * | 2007-08-04 | 2008-04-02 | 赵克飞 | Groundwater recharging method for water resource heat pump type central air-conditioner |
| CN101126558A (en) * | 2007-09-27 | 2008-02-20 | 成都建工建筑节能科技有限公司 | Groundwater recharge method |
| CN101298945A (en) * | 2008-06-18 | 2008-11-05 | 刘娇娜 | Ground water back pouring cyclic utilization method |
| KR100886117B1 (en) * | 2008-11-24 | 2009-02-27 | (주)휠탑 | Natural sand filtering method and the apparatus for artifical groundwater of valley |
| CN201367577Y (en) * | 2008-12-30 | 2009-12-23 | 上海长凯岩土工程有限公司 | Groundwater recharge well |
| CN101608445A (en) * | 2009-07-10 | 2009-12-23 | 上海隧道工程股份有限公司 | A kind of engineering underground raw water recharging method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787606A (en) * | 2012-08-10 | 2012-11-21 | 中国二冶集团有限公司 | Protection method for ambient environment in processes of excavation and precipitation of foundation pit |
| CN102787611A (en) * | 2012-08-10 | 2012-11-21 | 中国二冶集团有限公司 | Precipitation method for excavation of foundation pit at collapsible loess region |
| CN102787606B (en) * | 2012-08-10 | 2015-08-26 | 中国二冶集团有限公司 | Guard method to surrounding environment in a kind of excavation of foundation pit Precipitation Process |
| CN103088836A (en) * | 2012-12-15 | 2013-05-08 | 天津大学 | Sedimentation control method for pumping water and performing reinjection in well casing simultaneously |
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Application publication date: 20120620 |