MICROCRACK

作品数：67被引量：110H指数：5
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相关机构：哈尔滨工业大学南京航空航天大学河北钢铁集团有限公司北京理工大学更多>>
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Deterioration of equivalent thermal conductivity of granite subjected to heating-cooling treatment被引量：2
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第10期4229-4246,共18页Mohua Bu Peng Zhang Pingye Guo Jiamin Wang Zhaolong Luan Xin Jin 
the Natural Science Foundation of China(Grant No.42241145);supported by the Natural Science Foundation of China(Grant No.41941018);General Projects for Scientific and Technological Innovation of China Coal Science and Industry Group(Grant No.2022-MS001).
Understanding the thermal conductivity of granite is critical for many geological and deep engineering applications.The heated granite was subjected to air-,water-,and liquid nitrogen(LN2-)coolings in this context.The...
关键词：Equivalent thermal conductivity(ETC) GRANITE Heating-cooling treatment Pore structure MICROCRACK Grain-based model 
Effects of thawing-induced softening on fracture behaviors of frozen rock被引量：3
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第3期979-989,共11页Ting Wang Hailiang Jia Qiang Sun Xianjun Tan Liyun Tang 
We acknowledge the funding support from the National Natural Science Foundation of China(Grant No.42271148).
Due to the presence of ice and unfrozen water in pores of frozen rock,the rock fracture behaviors are susceptible to temperature.In this study,the potential thawing-induced softening effects on the fracture behaviors ...
关键词：Frozen sandstone Different thawing temperature Fracture toughness Microcrack propagation process Unfrozen water content 
Sources of variability in laboratory rock test results被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2021年第5期985-1001,共17页Rashid Geranmayeh Vaneghi Seyed Erfan Saberhosseini Arcady VDyskin Klaus Thoeni Mostafa Sharifzadeh Mohammad Sarmadivaleh 
the Curtin Strategic International Research Scholarship(CSIRS)and Mining Research Institute of Western Australia(MRIWA)-project M474 scholarship;the Australian Research Council through project DP190103260.
Appropriate rock characterization is beneficial in providing a reliable judgment on rock properties which is crucial for the design process of rock engineering applications.However,it can be difficult to obtain consis...
关键词：Rock property variation Uniaxial compressive strength(UCS) Specimen preparation End flatness Loading equipment precision Pre-existing microcrack 
Microcrack fracturing of coal specimens under quasi-static combined compression-shear loading被引量：2
《Journal of Rock Mechanics and Geotechnical Engineering》2020年第5期1014-1026,共13页Qingyuan He Yingchun Li Danqi Li Chengguo Zhang 
supported by the Fundamental Research Funds for the Central Universities(Grant No.2018QNA31)。
Coal pillars are usually loaded under combined compression-shear stresses at underground coal mines.Their long-term stability is critical to the utilization of underground structures,such as underground reservoirs at ...
关键词：Microcrack initiation(CI) Microcrack damage(CD) Microcrack fracturing Acoustic emission Coal properties 
Influence of loading and heating processes on elastic and geomechanical properties of eclogites and granulites被引量：2
《Journal of Rock Mechanics and Geotechnical Engineering》2018年第1期127-137,共11页Hem Bahadur Motra Sascha Zertani 
Increased knowledge of the elastic and geomechnical properties of rocks is important for numerous engineering and geoscience applications(e.g. petroleum geoscience, underground waste repositories,geothermal energy, ea...
关键词：ANISOTROPY Elastic wave velocities Dynamic elastic moduli Geomechanical rock properties MICROCRACK 
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