JPS5777724A - Underground excavation method for enlarging lower excavation part of ditch - Google Patents

Underground excavation method for enlarging lower excavation part of ditch

Info

Publication number
JPS5777724A
JPS5777724A JP15298380A JP15298380A JPS5777724A JP S5777724 A JPS5777724 A JP S5777724A JP 15298380 A JP15298380 A JP 15298380A JP 15298380 A JP15298380 A JP 15298380A JP S5777724 A JPS5777724 A JP S5777724A
Authority
JP
Japan
Prior art keywords
excavation
bits
frame
ditch
enlarged
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
JP15298380A
Other languages
English (en)
Other versions
JPS599699B2 (ja
Inventor
Tatsuo Morooka
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.)
Hazama Ando Corp
Original Assignee
Hazama Gumi 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 Hazama Gumi Ltd filed Critical Hazama Gumi Ltd
Priority to JP15298380A priority Critical patent/JPS599699B2/ja
Publication of JPS5777724A publication Critical patent/JPS5777724A/ja
Publication of JPS599699B2 publication Critical patent/JPS599699B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
JP15298380A 1980-11-01 1980-11-01 溝の下部掘削部を拡大して造形する地中掘削方法 Expired JPS599699B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15298380A JPS599699B2 (ja) 1980-11-01 1980-11-01 溝の下部掘削部を拡大して造形する地中掘削方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15298380A JPS599699B2 (ja) 1980-11-01 1980-11-01 溝の下部掘削部を拡大して造形する地中掘削方法

Publications (2)

Publication Number Publication Date
JPS5777724A true JPS5777724A (en) 1982-05-15
JPS599699B2 JPS599699B2 (ja) 1984-03-05

Family

ID=15552393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15298380A Expired JPS599699B2 (ja) 1980-11-01 1980-11-01 溝の下部掘削部を拡大して造形する地中掘削方法

Country Status (1)

Country Link
JP (1) JPS599699B2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6531503B2 (ja) * 2015-06-11 2019-06-19 株式会社大林組 透かし掘り用掘削装置

Also Published As

Publication number Publication date
JPS599699B2 (ja) 1984-03-05

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