Numerical Survey on the Destabilization Mechanism of Weakly Cemented Soft Rock Roadway Considering Interlayer Effect

Numerical Survey on the Destabilization Mechanism of Weakly Cemented Soft Rock Roadway... Geotech Geol Eng https://doi.org/10.1007/s10706-018-0593-9 ORIGINAL PAPER Numerical Survey on the Destabilization Mechanism of Weakly Cemented Soft Rock Roadway Considering Interlayer Effect . . . . Qing Ma Zeng-hui Zhao Xiao-jie Gao Shao-jie Chen Yun-liang Tan Received: 28 February 2018 / Accepted: 29 May 2018 Springer International Publishing AG, part of Springer Nature 2018 Abstract One of the major challenges facing coal 1 Introduction mines in western China is occurrence of large deformation and hanging roof falls when roadway Due to the low strength, weak cementation, easily contains weak interlayer. To determine the effect of weathering characteristics and unstable mechanical the thickness, stiffness and strength of the weak properties of weakly cemented soft rock strata in mudstone interlayer on the deformation of the weakly western mining area, it is difficult to support the rock cemented soft rock roadway, two numerical models roadway after excavation. The weakly cemented soft were built aiming to clarify the mechanism of roof fall rock has poor support capability (Zhao et al. 2014a, b; and large deformation in Hongqingliang coal mine, Wang and Li 2016; Wang et al. 2013). Therefore, the China. The results show that the thickness and roadway has to be excavated in the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geotechnical and Geological Engineering Springer Journals

Numerical Survey on the Destabilization Mechanism of Weakly Cemented Soft Rock Roadway Considering Interlayer Effect

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Earth Sciences; Geotechnical Engineering & Applied Earth Sciences; Hydrogeology; Terrestrial Pollution; Waste Management/Waste Technology; Civil Engineering
ISSN
0960-3182
eISSN
1573-1529
D.O.I.
10.1007/s10706-018-0593-9
Publisher site
See Article on Publisher Site

Abstract

Geotech Geol Eng https://doi.org/10.1007/s10706-018-0593-9 ORIGINAL PAPER Numerical Survey on the Destabilization Mechanism of Weakly Cemented Soft Rock Roadway Considering Interlayer Effect . . . . Qing Ma Zeng-hui Zhao Xiao-jie Gao Shao-jie Chen Yun-liang Tan Received: 28 February 2018 / Accepted: 29 May 2018 Springer International Publishing AG, part of Springer Nature 2018 Abstract One of the major challenges facing coal 1 Introduction mines in western China is occurrence of large deformation and hanging roof falls when roadway Due to the low strength, weak cementation, easily contains weak interlayer. To determine the effect of weathering characteristics and unstable mechanical the thickness, stiffness and strength of the weak properties of weakly cemented soft rock strata in mudstone interlayer on the deformation of the weakly western mining area, it is difficult to support the rock cemented soft rock roadway, two numerical models roadway after excavation. The weakly cemented soft were built aiming to clarify the mechanism of roof fall rock has poor support capability (Zhao et al. 2014a, b; and large deformation in Hongqingliang coal mine, Wang and Li 2016; Wang et al. 2013). Therefore, the China. The results show that the thickness and roadway has to be excavated in the

Journal

Geotechnical and Geological EngineeringSpringer Journals

Published: Jun 2, 2018

References

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