JPS5789014A - Testing method for water permeability in field - Google Patents
Testing method for water permeability in fieldInfo
- Publication number
- JPS5789014A JPS5789014A JP16397480A JP16397480A JPS5789014A JP S5789014 A JPS5789014 A JP S5789014A JP 16397480 A JP16397480 A JP 16397480A JP 16397480 A JP16397480 A JP 16397480A JP S5789014 A JPS5789014 A JP S5789014A
- Authority
- JP
- Japan
- Prior art keywords
- pit
- measuring tube
- water
- packer
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 5
- 238000012360 testing method Methods 0.000 title abstract 3
- 230000035699 permeability Effects 0.000 title 1
- 239000003673 groundwater Substances 0.000 abstract 4
- 101150054854 POU1F1 gene Proteins 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
PURPOSE: To eliminate the needs for pumping up the ground water in a pit by closing the tip of a measuring tube with a trip valve and by sealing the space between the pit wall and the measuring tube by expanding a packer.
CONSTITUTION: A pit 1 is bored. A measuring tube 3 whose top 3a is provided with an enclosed trip valve 4 and a packer 5 is inserted from its tip 3a into the test layer level 2 composed of a sandy water permeable soil layer of the pit 1. Then, the packer 5 is expanded through an air supply pipe 7 leading to a gas container so as to set the measuring tube to the wall of the pit, whereupon the flow of the ground water 9 in the test layer level and also of the ground water 8 in the other layer level is interruped. When the trip valve 4 is set to an open state 4', the ground water 2 goes up until being equilibrated through varying water levels 10 (So...St) inside the measuring tube 3. The relation between the water levels 10 and time is measured to obtain a water permeation coefficient.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16397480A JPS5789014A (en) | 1980-11-20 | 1980-11-20 | Testing method for water permeability in field |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16397480A JPS5789014A (en) | 1980-11-20 | 1980-11-20 | Testing method for water permeability in field |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5789014A true JPS5789014A (en) | 1982-06-03 |
Family
ID=15784348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16397480A Pending JPS5789014A (en) | 1980-11-20 | 1980-11-20 | Testing method for water permeability in field |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5789014A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012127673A (en) * | 2010-12-13 | 2012-07-05 | Yonden Gijutsu Consultant:Kk | Permeability testing device |
CN106192971A (en) * | 2016-08-26 | 2016-12-07 | 中冶集团武汉勘察研究院有限公司 | A kind of artesian water water-level observation well construction and the method for multilamellar water-level observation |
CN106436673A (en) * | 2016-07-22 | 2017-02-22 | 中铁二院工程集团有限责任公司 | Field water immersion testing method of expansive soil foundation under roadbed project |
-
1980
- 1980-11-20 JP JP16397480A patent/JPS5789014A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012127673A (en) * | 2010-12-13 | 2012-07-05 | Yonden Gijutsu Consultant:Kk | Permeability testing device |
CN106436673A (en) * | 2016-07-22 | 2017-02-22 | 中铁二院工程集团有限责任公司 | Field water immersion testing method of expansive soil foundation under roadbed project |
CN106436673B (en) * | 2016-07-22 | 2019-01-04 | 中铁二院工程集团有限责任公司 | Submerging test method in expansive soil foundation scene under subgrade engineering |
CN106192971A (en) * | 2016-08-26 | 2016-12-07 | 中冶集团武汉勘察研究院有限公司 | A kind of artesian water water-level observation well construction and the method for multilamellar water-level observation |
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