Progress and challenges of soft rock engineering in depthChinese Full Text
HE Man-chao;State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology (Beijing);
Abstract: With the increase of mining depth,deep geological environment,such as the stress increases,water inflow increases,and ground temperature rises,is more complex.The deep engineering disaster becomes increasingly serious,especially the deep soft rock engineering disasters,which bring severe challenges to the research of deep soft rock engineering problems.The author based on the scientific definition of deep discusses the progress of deformation and failure mechanism,test methods and equipments in deep soft rock engineering from the following several aspects:water softening mechanism,asymmetric large deformation mechanism,rock burst mechanism,softening large deformation mechanism caused by hot and humid environment and so on;summarizes the progress of the deep soft rock large deformation design methods,control technology and new constant resistance large deformation material which is based mainly on constant resistance large deformation bolt;and puts forward the major challenges of deep soft rock engineering in the future.
Keywords：
- DOI：
10.13225/j.cnki.jccs.2014.9044
- Series：
- Subject：
- Classification Code：
TU452;TD353
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