JPS5266802A - Method of excavation using artificial roof laid with copings - Google Patents

Method of excavation using artificial roof laid with copings

Info

Publication number
JPS5266802A
JPS5266802A JP14377075A JP14377075A JPS5266802A JP S5266802 A JPS5266802 A JP S5266802A JP 14377075 A JP14377075 A JP 14377075A JP 14377075 A JP14377075 A JP 14377075A JP S5266802 A JPS5266802 A JP S5266802A
Authority
JP
Japan
Prior art keywords
copings
excavation
artificial roof
roof laid
laid
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
JP14377075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5518827B2 (enrdf_load_stackoverflow
Inventor
Akiyoshi Ootsuki
Osamu Masaie
Nitarou Satou
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.)
Dowa Holdings Co Ltd
Original Assignee
Dowa Mining 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 Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Priority to JP14377075A priority Critical patent/JPS5266802A/ja
Publication of JPS5266802A publication Critical patent/JPS5266802A/ja
Publication of JPS5518827B2 publication Critical patent/JPS5518827B2/ja
Granted legal-status Critical Current

Links

JP14377075A 1975-12-02 1975-12-02 Method of excavation using artificial roof laid with copings Granted JPS5266802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14377075A JPS5266802A (en) 1975-12-02 1975-12-02 Method of excavation using artificial roof laid with copings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14377075A JPS5266802A (en) 1975-12-02 1975-12-02 Method of excavation using artificial roof laid with copings

Publications (2)

Publication Number Publication Date
JPS5266802A true JPS5266802A (en) 1977-06-02
JPS5518827B2 JPS5518827B2 (enrdf_load_stackoverflow) 1980-05-21

Family

ID=15346609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14377075A Granted JPS5266802A (en) 1975-12-02 1975-12-02 Method of excavation using artificial roof laid with copings

Country Status (1)

Country Link
JP (1) JPS5266802A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014530972A (ja) * 2011-10-26 2014-11-20 ２３４１４５１ オンタリオインコーポレイテッド 連続コンクリート床を有するアンダーカット掘削工法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731440U (enrdf_load_stackoverflow) * 1980-07-31 1982-02-19
JPH03107891U (enrdf_load_stackoverflow) * 1990-02-19 1991-11-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014530972A (ja) * 2011-10-26 2014-11-20 ２３４１４５１ オンタリオインコーポレイテッド 連続コンクリート床を有するアンダーカット掘削工法

Also Published As

Publication number Publication date
JPS5518827B2 (enrdf_load_stackoverflow) 1980-05-21

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