ZA202201004B - Novel surrounding rock excavation device for weak surrounding rock tunnels - Google Patents

Novel surrounding rock excavation device for weak surrounding rock tunnels

Info

Publication number
ZA202201004B
ZA202201004B ZA2022/01004A ZA202201004A ZA202201004B ZA 202201004 B ZA202201004 B ZA 202201004B ZA 2022/01004 A ZA2022/01004 A ZA 2022/01004A ZA 202201004 A ZA202201004 A ZA 202201004A ZA 202201004 B ZA202201004 B ZA 202201004B
Authority
ZA
South Africa
Prior art keywords
surrounding rock
novel
excavation device
tunnels
weak
Prior art date
Application number
ZA2022/01004A
Inventor
Xinqiang Gao
Beiyi Dong
Daoyuan Ren
Chao Kong
Yongquan Zhu
Wenjing Yu
Haobo Fan
Zhengguo Zhu
Ju Peng
Tengjie Yang
Original Assignee
Univ Shijiazhuang Tiedao
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 Univ Shijiazhuang Tiedao filed Critical Univ Shijiazhuang Tiedao
Priority to ZA2022/01004A priority Critical patent/ZA202201004B/en
Publication of ZA202201004B publication Critical patent/ZA202201004B/en

Links

ZA2022/01004A 2022-01-21 2022-01-21 Novel surrounding rock excavation device for weak surrounding rock tunnels ZA202201004B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2022/01004A ZA202201004B (en) 2022-01-21 2022-01-21 Novel surrounding rock excavation device for weak surrounding rock tunnels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA2022/01004A ZA202201004B (en) 2022-01-21 2022-01-21 Novel surrounding rock excavation device for weak surrounding rock tunnels

Publications (1)

Publication Number Publication Date
ZA202201004B true ZA202201004B (en) 2022-05-25

Family

ID=81710448

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/01004A ZA202201004B (en) 2022-01-21 2022-01-21 Novel surrounding rock excavation device for weak surrounding rock tunnels

Country Status (1)

Country Link
ZA (1) ZA202201004B (en)

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