ZA202200518B - Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing - Google Patents

Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing

Info

Publication number
ZA202200518B
ZA202200518B ZA2022/00518A ZA202200518A ZA202200518B ZA 202200518 B ZA202200518 B ZA 202200518B ZA 2022/00518 A ZA2022/00518 A ZA 2022/00518A ZA 202200518 A ZA202200518 A ZA 202200518A ZA 202200518 B ZA202200518 B ZA 202200518B
Authority
ZA
South Africa
Prior art keywords
coal
repeated
structure layer
rock drilling
soft structure
Prior art date
Application number
ZA2022/00518A
Inventor
Yunfeng Yang
Mingshi Gao
Dequan Li
Yongliang He
Dong Xu
Xin Yu
Original Assignee
Henan Dayou Energy Co Ltd
Univ China Mining
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 Henan Dayou Energy Co Ltd, Univ China Mining filed Critical Henan Dayou Energy Co Ltd
Priority to ZA2022/00518A priority Critical patent/ZA202200518B/en
Publication of ZA202200518B publication Critical patent/ZA202200518B/en

Links

ZA2022/00518A 2022-01-11 2022-01-11 Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing ZA202200518B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2022/00518A ZA202200518B (en) 2022-01-11 2022-01-11 Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA2022/00518A ZA202200518B (en) 2022-01-11 2022-01-11 Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing

Publications (1)

Publication Number Publication Date
ZA202200518B true ZA202200518B (en) 2022-03-30

Family

ID=80952653

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/00518A ZA202200518B (en) 2022-01-11 2022-01-11 Method for forming roadway anti-impact soft structure layer by repeated coal-rock drilling fracturing

Country Status (1)

Country Link
ZA (1) ZA202200518B (en)

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