JPS52109722A - Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction - Google Patents

Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction

Info

Publication number
JPS52109722A
JPS52109722A JP2645076A JP2645076A JPS52109722A JP S52109722 A JPS52109722 A JP S52109722A JP 2645076 A JP2645076 A JP 2645076A JP 2645076 A JP2645076 A JP 2645076A JP S52109722 A JPS52109722 A JP S52109722A
Authority
JP
Japan
Prior art keywords
construction
excavation
silot
upper half
protective device
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
JP2645076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5442740B2 (enExample
Inventor
Masaru Nagata
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP2645076A priority Critical patent/JPS52109722A/ja
Publication of JPS52109722A publication Critical patent/JPS52109722A/ja
Publication of JPS5442740B2 publication Critical patent/JPS5442740B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
JP2645076A 1976-03-11 1976-03-11 Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction Granted JPS52109722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2645076A JPS52109722A (en) 1976-03-11 1976-03-11 Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2645076A JPS52109722A (en) 1976-03-11 1976-03-11 Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction

Publications (2)

Publication Number Publication Date
JPS52109722A true JPS52109722A (en) 1977-09-14
JPS5442740B2 JPS5442740B2 (enExample) 1979-12-15

Family

ID=12193829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2645076A Granted JPS52109722A (en) 1976-03-11 1976-03-11 Protective device for upper half limit excavation in tunnel excavation construction by means of method of silot construction

Country Status (1)

Country Link
JP (1) JPS52109722A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007070916A (ja) * 2005-09-08 2007-03-22 Nishikawa Shoji Kk 可動式ポール

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007070916A (ja) * 2005-09-08 2007-03-22 Nishikawa Shoji Kk 可動式ポール

Also Published As

Publication number Publication date
JPS5442740B2 (enExample) 1979-12-15

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