Side abutment pressure distribution by field measurement
Given the 7123 working face in the Qidong Coal Mine of the Wanbei Mining Group, nine dynamic roof monitors were installed in the crossheading to measure the amount and velocity of roof convergence in different positions and at different times and three steel bored stress sensors were installed in th...
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Published in | Journal of China University of Mining and Technology Vol. 18; no. 4; pp. 527 - 530 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
01.12.2008
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Subjects | |
Online Access | Get full text |
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