JPS5510548A - Method and apparatus for measurment of flow speed and direction of ground water - Google Patents
Method and apparatus for measurment of flow speed and direction of ground waterInfo
- Publication number
- JPS5510548A JPS5510548A JP8368678A JP8368678A JPS5510548A JP S5510548 A JPS5510548 A JP S5510548A JP 8368678 A JP8368678 A JP 8368678A JP 8368678 A JP8368678 A JP 8368678A JP S5510548 A JPS5510548 A JP S5510548A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- tracer
- dilution
- meter
- ground water
- 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
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
PURPOSE: To realize the size reduction of the observation hole as well as the repetitive measurement there by installing the neutron moisture meter into the ground to measure the dilution of the implanted tracer.
CONSTITUTION: The observation hole is drilled at fixed measuring ground 12, and filter pipe 13 is installed at the hole. Then neutron moisture meter 1 is implanted down to the observation position within pipe 13. Tracer T is pressed in and exhausted through spillway 8 to be then injected into peripheral ground 12. In this case, the nuclide featuring a large heat neutron absorption cross-sectional area is used for the tracer. Thus the tracer density of the tracer implanted into ground 12 or the area near meter 1 is reduced according to the flow of ground water W. The dilution state of the density is measured by meter 1 and scaler 16, and the flow speed of the ground water is obtained from the reference dilution based on the calibration curve obtained previously and the dilution measured. The calibration curve is produced previously according to the gap rate of the ground. As for measurement of the flow direction of the ground water, meter 1 is turned round the axle to obtan the maximum dilution direction of the tracer and thus to obtain the flow direction of the ground water.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53083686A JPS6027388B2 (en) | 1978-07-10 | 1978-07-10 | Method for measuring groundwater flow velocity, groundwater flow direction, and measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53083686A JPS6027388B2 (en) | 1978-07-10 | 1978-07-10 | Method for measuring groundwater flow velocity, groundwater flow direction, and measuring device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5510548A true JPS5510548A (en) | 1980-01-25 |
JPS6027388B2 JPS6027388B2 (en) | 1985-06-28 |
Family
ID=13809366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53083686A Expired JPS6027388B2 (en) | 1978-07-10 | 1978-07-10 | Method for measuring groundwater flow velocity, groundwater flow direction, and measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6027388B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0627131A (en) * | 1992-07-09 | 1994-02-04 | Kajima Corp | Method and apparatus for measuring flow direction and flow velocity of underground water |
JPH06273538A (en) * | 1993-03-24 | 1994-09-30 | Kajima Corp | Method and system for measuring moving gradient of underground water |
CN106032754A (en) * | 2016-05-18 | 2016-10-19 | 陕西煤业化工技术研究院有限责任公司 | Coal mining water prevention and control method based on groundwater flow velocity and flow direction measurement |
-
1978
- 1978-07-10 JP JP53083686A patent/JPS6027388B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0627131A (en) * | 1992-07-09 | 1994-02-04 | Kajima Corp | Method and apparatus for measuring flow direction and flow velocity of underground water |
JPH06273538A (en) * | 1993-03-24 | 1994-09-30 | Kajima Corp | Method and system for measuring moving gradient of underground water |
CN106032754A (en) * | 2016-05-18 | 2016-10-19 | 陕西煤业化工技术研究院有限责任公司 | Coal mining water prevention and control method based on groundwater flow velocity and flow direction measurement |
Also Published As
Publication number | Publication date |
---|---|
JPS6027388B2 (en) | 1985-06-28 |
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