Journal
ADVANCES IN CIVIL ENGINEERING
Volume 2019, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2019/7306850
Keywords
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Funding
- National Key R&D Program of China [2018YFC0604703]
- SDUST Research Fund
- National Natural Science Foundation of China [51574155, 51704182, 51804182, 51504145]
- Natural Science Foundation of Shandong Province [ZR2017BEE050]
- Science and Technology Development Plan of Tai'an [2018GX0045]
- Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents [2015RCJJ057]
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To study the correlation among advancing direction, strata behaviors, and rock burst induction, two physical models utilizing similar materials are established. Subsequently, the influence of advancing direction on the mining effect, caused by a fault, is studied. Moreover, the rock bursts affected by faults with different mining directions are compared and analyzed. The results show that the overlying structure varies notably, affected by fault cutting and fault dip, and the fault-affected zone and the cause of induced rock burst differ with different mining directions. However, regardless of mining directions, the overlying structure of the hanging wall is stable and fault activation is not obvious, while that of the footwall is relatively active and fault activation is violent; the risk of rock burst on the footwall is larger than that of mining on the hanging wall. Finally, an engineering case regarding two rock bursts in panel 6303 is used to verify some physical simulation results to a certain extent. Study results can serve as a reference for face layout and prevention of rock bursts under similar conditions.
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