JPS6088797A - 小口径岩盤水平機械掘さく工法 - Google Patents

小口径岩盤水平機械掘さく工法

Info

Publication number
JPS6088797A
JPS6088797A JP19339983A JP19339983A JPS6088797A JP S6088797 A JPS6088797 A JP S6088797A JP 19339983 A JP19339983 A JP 19339983A JP 19339983 A JP19339983 A JP 19339983A JP S6088797 A JPS6088797 A JP S6088797A
Authority
JP
Japan
Prior art keywords
stabilizer
reaming
pilot
bit
diameter
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
Application number
JP19339983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6227238B2 (enrdf_load_stackoverflow
Inventor
梶原　慶司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koken Boring Machine Co Ltd
Original Assignee
Koken Boring Machine Co Ltd
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 by Koken Boring Machine Co Ltd filed Critical Koken Boring Machine Co Ltd
Priority to JP19339983A priority Critical patent/JPS6088797A/ja
Publication of JPS6088797A publication Critical patent/JPS6088797A/ja
Publication of JPS6227238B2 publication Critical patent/JPS6227238B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP19339983A 1983-10-18 1983-10-18 小口径岩盤水平機械掘さく工法 Granted JPS6088797A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19339983A JPS6088797A (ja) 1983-10-18 1983-10-18 小口径岩盤水平機械掘さく工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19339983A JPS6088797A (ja) 1983-10-18 1983-10-18 小口径岩盤水平機械掘さく工法

Publications (2)

Publication Number Publication Date
JPS6088797A true JPS6088797A (ja) 1985-05-18
JPS6227238B2 JPS6227238B2 (enrdf_load_stackoverflow) 1987-06-12

Family

ID=16307295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19339983A Granted JPS6088797A (ja) 1983-10-18 1983-10-18 小口径岩盤水平機械掘さく工法

Country Status (1)

Country Link
JP (1) JPS6088797A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6227238B2 (enrdf_load_stackoverflow) 1987-06-12

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