JPS58101999A - 水平長距離削進工法における孔曲り修正方法 - Google Patents

水平長距離削進工法における孔曲り修正方法

Info

Publication number
JPS58101999A
JPS58101999A JP14557881A JP14557881A JPS58101999A JP S58101999 A JPS58101999 A JP S58101999A JP 14557881 A JP14557881 A JP 14557881A JP 14557881 A JP14557881 A JP 14557881A JP S58101999 A JPS58101999 A JP S58101999A
Authority
JP
Japan
Prior art keywords
hole
drill
tip
inner tube
dyna
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
JP14557881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0223678B2 (enExample
Inventor
江藤　肇
児玉　清
大鹿　春郎
花田　正紀
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.)
JFE Engineering Corp
Tokyo Gas Co Ltd
Koken Boring Machine Co Ltd
Original Assignee
Tokyo Gas Co Ltd
Koken Boring Machine Co Ltd
Nippon Kokan 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 Tokyo Gas Co Ltd, Koken Boring Machine Co Ltd, Nippon Kokan Ltd filed Critical Tokyo Gas Co Ltd
Priority to JP14557881A priority Critical patent/JPS58101999A/ja
Publication of JPS58101999A publication Critical patent/JPS58101999A/ja
Publication of JPH0223678B2 publication Critical patent/JPH0223678B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP14557881A 1981-09-17 1981-09-17 水平長距離削進工法における孔曲り修正方法 Granted JPS58101999A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14557881A JPS58101999A (ja) 1981-09-17 1981-09-17 水平長距離削進工法における孔曲り修正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14557881A JPS58101999A (ja) 1981-09-17 1981-09-17 水平長距離削進工法における孔曲り修正方法

Publications (2)

Publication Number Publication Date
JPS58101999A true JPS58101999A (ja) 1983-06-17
JPH0223678B2 JPH0223678B2 (enExample) 1990-05-24

Family

ID=15388334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14557881A Granted JPS58101999A (ja) 1981-09-17 1981-09-17 水平長距離削進工法における孔曲り修正方法

Country Status (1)

Country Link
JP (1) JPS58101999A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941593A (ja) * 1982-08-30 1984-03-07 ライト工業株式会社 穿孔装置
JPH041398A (ja) * 1990-04-17 1992-01-06 Tobishima Corp 小口径管路掘進用先導筒体とこれによる小口径管路掘進工法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019601A (enExample) * 1973-06-23 1975-03-01
JPS5345006A (en) * 1976-10-05 1978-04-22 Tone Boring Co Method of straightening bending of excavating hole

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019601A (enExample) * 1973-06-23 1975-03-01
JPS5345006A (en) * 1976-10-05 1978-04-22 Tone Boring Co Method of straightening bending of excavating hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941593A (ja) * 1982-08-30 1984-03-07 ライト工業株式会社 穿孔装置
JPH041398A (ja) * 1990-04-17 1992-01-06 Tobishima Corp 小口径管路掘進用先導筒体とこれによる小口径管路掘進工法

Also Published As

Publication number Publication date
JPH0223678B2 (enExample) 1990-05-24

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