JPH02101892U - - Google Patents

Info

Publication number
JPH02101892U
JPH02101892U JP868789U JP868789U JPH02101892U JP H02101892 U JPH02101892 U JP H02101892U JP 868789 U JP868789 U JP 868789U JP 868789 U JP868789 U JP 868789U JP H02101892 U JPH02101892 U JP H02101892U
Authority
JP
Japan
Prior art keywords
rock
hydraulic fracturing
displacement meter
hole diameter
boreholes
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
Application number
JP868789U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP868789U priority Critical patent/JPH02101892U/ja
Publication of JPH02101892U publication Critical patent/JPH02101892U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
JP868789U 1989-01-27 1989-01-27 Pending JPH02101892U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP868789U JPH02101892U (enrdf_load_stackoverflow) 1989-01-27 1989-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP868789U JPH02101892U (enrdf_load_stackoverflow) 1989-01-27 1989-01-27

Publications (1)

Publication Number Publication Date
JPH02101892U true JPH02101892U (enrdf_load_stackoverflow) 1990-08-14

Family

ID=31214787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP868789U Pending JPH02101892U (enrdf_load_stackoverflow) 1989-01-27 1989-01-27

Country Status (1)

Country Link
JP (1) JPH02101892U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185218A (ja) * 1983-04-05 1984-10-20 Dowa Koei Kk 地山の応力測定方法とその装置
JPS62170697A (ja) * 1986-01-21 1987-07-27 工業技術院長 水圧破砕キヤリパ−

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185218A (ja) * 1983-04-05 1984-10-20 Dowa Koei Kk 地山の応力測定方法とその装置
JPS62170697A (ja) * 1986-01-21 1987-07-27 工業技術院長 水圧破砕キヤリパ−

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