Method for determining width of half-coal-rock gob-side entry driving coal pillar based on basic roof fracture position

The invention provides a method for determining the width of a half-coal-rock gob-side entry driving coal pillar based on a basic roof fracture position, and the method comprises the steps: carrying out a physical similar simulation test of a fracture position of an overlying basic roof of a gob-sid...

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Main Authors GAO LIN, XU SHUAI, WANG YONGYIN, LIU PING, LIU PENGZE, YAN LING, MA ZHENQIAN, ZHAN XINYU
Format Patent
LanguageChinese
English
Published 27.06.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract The invention provides a method for determining the width of a half-coal-rock gob-side entry driving coal pillar based on a basic roof fracture position, and the method comprises the steps: carrying out a physical similar simulation test of a fracture position of an overlying basic roof of a gob-side half-coal-rock roadway of a gently inclined coal seam based on geological condition parameters; a mechanical model of the overlying strata structure of the gob-side half coal-rock roadway of the gently inclined coal seam is established, a theoretical calculation formula of the fracture position of the overlying basic roof of the gob-side half coal-rock roadway of the gently inclined coal seam is determined through mathematical analysis, field actual measurement is carried out, theory and practice are combined, actual measurement is combined, the theoretical formula is perfected, and the fracture position of the overlying basic roof of the gob-side half coal-rock roadway is determined. The fracture position of the
AbstractList The invention provides a method for determining the width of a half-coal-rock gob-side entry driving coal pillar based on a basic roof fracture position, and the method comprises the steps: carrying out a physical similar simulation test of a fracture position of an overlying basic roof of a gob-side half-coal-rock roadway of a gently inclined coal seam based on geological condition parameters; a mechanical model of the overlying strata structure of the gob-side half coal-rock roadway of the gently inclined coal seam is established, a theoretical calculation formula of the fracture position of the overlying basic roof of the gob-side half coal-rock roadway of the gently inclined coal seam is determined through mathematical analysis, field actual measurement is carried out, theory and practice are combined, actual measurement is combined, the theoretical formula is perfected, and the fracture position of the overlying basic roof of the gob-side half coal-rock roadway is determined. The fracture position of the
Author LIU PENGZE
XU SHUAI
WANG YONGYIN
GAO LIN
ZHAN XINYU
YAN LING
LIU PING
MA ZHENQIAN
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– fullname: MA ZHENQIAN
– fullname: ZHAN XINYU
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DocumentTitleAlternate 基于基本顶断裂位置半煤岩沿空掘巷煤柱宽度确定方法
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Snippet The invention provides a method for determining the width of a half-coal-rock gob-side entry driving coal pillar based on a basic roof fracture position, and...
SourceID epo
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Method for determining width of half-coal-rock gob-side entry driving coal pillar based on basic roof fracture position
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