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be recommended to be applied to judge the rockburst proneness of rock materials. Key words: deep rock; rockburst; rockburst proneness; rockburst proneness criterion; rock mechanics Cite this article as: GONG Feng... constructed at increasing depths [1-4]. During the excavation of deep buried caverns or tunnels, many unconventional surrounding rock failure phenomena are often encountered, such as spalling (or slabbing......
Trans. Nonferrous Met. Soc. China 23(2013) 478-483 Creep experiment and rheological model of deep saturated rock Lang LIU, Ge-ming WANG, Jian-hong CHEN, Shan YANG School of Resources and Safety... loading, the creep experiments were performed on the deep saturated rock from Dongguashan Mine, and the creep curves of saturated rock under different loading stresses were obtained. By comparing......
Rock burst laws in deep mines based on combined model of membership function and dominance-based rough setLIU Lang(刘浪)1, CHEN Zhong-qiang(陈忠强)2, WANG Li-guan(王李管)3(1. Energy School, Xi’an University... University, Changsha 410083, China)Abstract:Rock bursts are spontaneous, violent fracture of rock that can occur in deep mines, and the likelihood of rock bursts occurring increases as depth of the mine......
J. Cent. South Univ. Technol. (2011) 18: 866-873 DOI: 10.1007/s11771-011-0775-6 Elastoplastic model for discontinuous shear deformation of deep rock mass WANG Ming-yang(王明洋)1, FAN Peng-xian(范鹏贤)1... Academy of Engineering Physics, Mianyang 621900, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Deep rock mass possesses some unusual properties due......
modeling of rock-fill embankments on deep loose saturated sand deposits subjected to earthquakes[J]. Geotechnical and Geoenvironment Engineering, 2008, 134(9): 1364-1374. [7] SHA Qing-lin. Road compaction...J. Cent. South Univ. Technol. (2009) 16: 1034-1038 DOI: 10.1007/s11771-009-0171-7 Vibration compaction characteristics of rock filling embankment YANG Ming-hui(杨明辉), LIU Guang-xuan(刘广轩), ZHAO......
; hence, water has certain weakening effects on the mechanical properties of rocks. LIU et al [16] performed the creep experiments on deep saturated rock and obtained the creep curves of saturated rock... on sandstone rock samples under natural and saturated states using the RMT-150B rock mechanics testing system. After successful processing of these tests, comparisons of stress–strain, strength, deformation......
J. Cent. South Univ. (2020) 27: 1320-1333 DOI: https://doi.org/10.1007/s11771-020-4369-z Fractal evolution mechanism of rock fracture in undersea metal mining LIU Zhi-xiang(刘志祥)1, HAN Ke-wen(韩科文)1..., Australia Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Through rock mechanics test, similar simulation experiment, borehole photographic observation......
J. Cent. South Univ. (2019) 26: 1747-1754 DOI: https://doi.org/10.1007/s11771-019-4130-7 Collapse mode of rock mass induced by a concealed karst cave above a deep cavity HUANG Fu(黄阜), ZHANG Min(张敏... Nature 2019 Abstract: Reliable prediction of the potential collapse region of rock mass is a key challenge for deep underground cavity excavation, especially if a concealed karst cave is located above......
J. Cent. South Univ. (2018) 25: 1786-1798 DOI: https://doi.org/10.1007/s11771-018-3869-6 Key factor analysis and model establishment of variation of rock face temperature in a deep open-pit mine... in deep open-pit mines should be studied. Here, we establish the key factors influencing the rock face temperature in a deep open-pit mine. We also present an empirical model of the rock face temperature......
shale; soft rock; deep mining; geotechnical characterization; ground control Cite this article as: WANG Dong-yi, LI Xi-bing, PENG Kang, MA Chun-de, ZHANG Zhen-yu, LIU Xiao-qian. Geotechnical... for fully-saturated state. Bulking swelling due to water adsorption puts the surrounding rock in a squeezing state and tends to deform towards the gateroad boundary. However, there is no reinforcement......