JP2015183461A5 - - Google Patents
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- JP2015183461A5 JP2015183461A5 JP2014061967A JP2014061967A JP2015183461A5 JP 2015183461 A5 JP2015183461 A5 JP 2015183461A5 JP 2014061967 A JP2014061967 A JP 2014061967A JP 2014061967 A JP2014061967 A JP 2014061967A JP 2015183461 A5 JP2015183461 A5 JP 2015183461A5
- Authority
- JP
- Japan
- Prior art keywords
- pumping
- groundwater level
- well
- observation hole
- level
- 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
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- 238000005086 pumping Methods 0.000 claims 35
- 239000003673 groundwater Substances 0.000 claims 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- 239000002349 well water Substances 0.000 claims 4
- 235000020681 well water Nutrition 0.000 claims 4
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000011002 quantification Methods 0.000 claims 1
Claims (4)
改良対象地盤中に形成した複数の揚水井戸と、当該改良対象地盤中の地下水位を計測する複数の観測孔とを備え、
前記揚水井戸内に設けられ、当該揚水井戸の地下水位を計測するための揚水井戸水位計測手段と、
前記観測孔内に設けられ、当該観測孔の地下水位を計測するための観測孔水位計測手段と、
前記各揚水井戸に設けられ、前記各揚水井戸中から地下水を揚水するための揚水手段と、
前記各揚水手段により揚水を行い、前記揚水井戸水位計測手段により各揚水井戸内の地下水位を計測するとともに、前記観測孔水位計測手段により前記各観測孔内の地下水位を計測し、前記各揚水井戸が前記各観測孔の水位に与える感度を把握して、各観測孔に対する各揚水井戸の影響度を定量化する揚水影響度定量化手段と、
前記各揚水手段により揚水を行って、各揚水井戸における地下水位を一様に所定の深度とした後、前記揚水井戸水位計測手段により各揚水井戸内の地下水位を計測するとともに、前記観測孔水位計測手段により各観測孔内の地下水位を計測し、定量化した前記影響度に応じて、前記各揚水井戸における地下水位が前記所定の深度を維持するように、前記各揚水手段による揚水を制御する揚水制御手段と、
を備えたことを特徴とする地下水位低下システム。 A groundwater level lowering system for uniformly lowering the groundwater level in the ground to be improved,
A plurality of pumping wells formed in the ground to be improved and a plurality of observation holes for measuring the groundwater level in the ground to be improved,
A pumping well water level measuring means provided in the pumping well for measuring the groundwater level of the pumping well;
An observation hole water level measuring means provided in the observation hole for measuring the groundwater level of the observation hole;
Pumping means provided in each pumping well, for pumping up groundwater from each pumping well;
Pumping by each pumping means, measuring the groundwater level in each pumping well by the pumping well water level measuring means, and measuring the groundwater level in each observation hole by the observation hole water level measuring means, Grasping the sensitivity of the well to the water level of each observation hole, and quantifying the pumping impact degree quantification means for quantifying the degree of influence of each pumping well on each observation hole;
After pumping up by each pumping means and uniformly setting the groundwater level in each pumping well to a predetermined depth, the groundwater level in each pumping well is measured by the pumping well water level measuring means, and the observation hole water level The groundwater level in each observation hole is measured by the measurement means, and the pumping by each pumping means is controlled so that the groundwater level in each pumping well maintains the predetermined depth according to the quantified degree of influence. Pumping control means to perform,
A groundwater level lowering system characterized by comprising:
改良対象地盤中に、複数の揚水井戸と、当該改良対象地盤中の地下水位を計測する複数の観測孔とを構築し、
前記各揚水井戸から揚水を行い、前記各揚水井戸内及び各観測孔内の地下水位を計測し、前記各揚水井戸が前記各観測孔の水位に与える感度を把握して、各観測孔に対する各揚水井戸の影響度を定量化し、
前記各揚水井戸における地下水位が一様に所定の深度となるまで揚水を行い、
前記各揚水井戸内及び各観測孔内の地下水位を計測するとともに、定量化した前記影響度に応じて、前記改良対象地盤の全域における地下水位が所定の深度を維持するように、前記揚水井戸による揚水を行う、
ことを特徴とする地下水位低下工法。 A groundwater level lowering method for uniformly reducing the groundwater level in the ground to be improved,
In the ground to be improved, a plurality of pumping wells and a plurality of observation holes for measuring the groundwater level in the ground to be improved are constructed.
Pumping from each pumping well, measuring the groundwater level in each pumping well and each observation hole, grasping the sensitivity that each pumping well gives to the water level of each observation hole, Quantify the impact of pumping wells,
Pumping until the groundwater level in each pumping well is uniformly at a predetermined depth,
The groundwater level in each pumping well and each observation hole is measured, and according to the quantified degree of influence, the groundwater level in the entire area of the improvement target ground is maintained at a predetermined depth. Pumping by,
A groundwater level lowering method characterized by that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014061967A JP6347972B2 (en) | 2014-03-25 | 2014-03-25 | Groundwater level lowering method and groundwater level lowering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014061967A JP6347972B2 (en) | 2014-03-25 | 2014-03-25 | Groundwater level lowering method and groundwater level lowering system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015183461A JP2015183461A (en) | 2015-10-22 |
| JP2015183461A5 true JP2015183461A5 (en) | 2017-04-20 |
| JP6347972B2 JP6347972B2 (en) | 2018-06-27 |
Family
ID=54350325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014061967A Active JP6347972B2 (en) | 2014-03-25 | 2014-03-25 | Groundwater level lowering method and groundwater level lowering system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6347972B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6727947B2 (en) * | 2016-06-21 | 2020-07-22 | 前田建設工業株式会社 | Groundwater level lowering method |
| CN110424429A (en) * | 2019-07-24 | 2019-11-08 | 武汉武建机械施工有限公司 | Dewatering well pump drainage automatic control system |
| KR102289409B1 (en) * | 2019-11-27 | 2021-08-12 | 주식회사 지오그린21 | System and method for optimized control of groundwater well cluster for sustainable water uses |
| CN114908784B (en) * | 2022-05-11 | 2024-05-14 | 浙江泛海交通工程有限公司 | Maintenance method of high-water-level pit after construction |
| CN116592973A (en) * | 2023-07-17 | 2023-08-15 | 陕西瀚泰水利水电勘测设计有限公司 | Groundwater level monitoring devices with safeguard function for hydrogeological exploration |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013436A (en) * | 2001-07-03 | 2003-01-15 | Ohbayashi Corp | System and method for controlling groundwater level |
| JP2006221402A (en) * | 2005-02-10 | 2006-08-24 | Shimizu Corp | Underground water management system in underground water development institution |
| JP2006249764A (en) * | 2005-03-10 | 2006-09-21 | Shimizu Corp | Calculation method of allowable pumping discharge when pumping underground water |
| JP4824435B2 (en) * | 2006-03-08 | 2011-11-30 | 鹿島建設株式会社 | Groundwater level lowering method |
-
2014
- 2014-03-25 JP JP2014061967A patent/JP6347972B2/en active Active
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