Role of Gas Viscosity for Shale Gas Percolation by Xiaoming Wang, Junbin Chen, Dazhong Ren, Zhaolong Shi

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Bit selection method based on the rock drillability characteristics and principal component analysis of rock-breaking indicators by Yang Hu, Xian Xinlong, Zhou Penggao, Li Zhen, Wei Ruihua, Liang Junqiao, Xiong Shilong

“…The distribution law of rock mechanics and anti-drilling characteristics of 11 typical wells in the southern margin was analyzed, and the strata were stratified according to rock mechanics and anti-drilling characteristics. …”
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Method Improvement and Effect Analysis of Triaxial Compression Acoustic Emission Test for Coal and Rock by Yan Zhou, Chuanxiao Liu, Depeng Ma

“…Based on this, a series of improvements and optimizations were made to the original triaxial compression AE test method, which is based on the modification of the communication interface of the rock mechanics test system, a test head which can put the AE detector into the triaxial chamber and withstands high confining pressure, in order to obtain the true, comprehensive, and reliable AE signals. …”
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Implementation of a Time-Domain Random-Walk Method into a Discrete Element Method to Simulate Nuclide Transport in Fractured Rock Masses by Yuexiu Wu, Quansheng Liu, Andrew H. C. Chan, Hongyuan Liu

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Changes in the Structures and Directions of Rock Excavation Research from 1999 to 2020: A Bibliometric Study by Dongping Shi, Chengyu Xie, Lichun Xiong

“…The main included journals are Tunnelling and Underground Space Technology, International Journal of Rock Mechanics and Mining Sciences, “Rock Mechanics and Rock Engineering,” “Engineering Geology,” and “Bulletin of Engineering Geology and the Environment.” …”
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Instability mechanism of composite structure involved coal pillar and key strata induced by multi-face mining by He Ren, Lianpeng Dai, Yishan Pan, Aiwen Wang, Yonghui Xiao

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Numerical Investigation of Multistage Fractured Horizontal Wells considering Multiphase Flow and Geomechanical Effects by Jun Li, Yuetian Liu, Kecong Ma

“…Fracture characteristics under different rock mechanics coefficients were simulated, and the influence of rock mechanics parameters on productivity was further characterised. …”
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Sealing Form and Failure Mechanism of Deep In Situ Rock Core Pressure-Maintaining Controller by Nianhan Wu, Heping Xie, Ling Chen, Mingzhong Gao, Cong Li

“…The mechanical properties of deep rocks change nonlinearly in an in situ pressure environment, so standard cores cannot be used as real samples for deep rock mechanics research. Therefore, obtaining an in situ pressure core is essential. …”
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Editorial: Environmental processes driving to slope failures: investigations, monitoring, and modelling through natural field laboratories by Gian Marco Marmoni, Jan Blahůt, Salvatore Martino, Dagan Bakun-Mazor

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Experimental and simulation study on tensile mechanical characteristics and crack development law of sandstone after thermal treatment by Jing Yang, Sheng-Qi Yang, Guang-Jian Liu, Bo-Wen Sun, Wen-Ling Tian, Jin-Zhou Tang

“…The thermal damage caused by high temperature will accelerate the deterioration of rock mechanical properties, affecting the stability of surrounding rock in underground engineering. …”
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Mechanical Behavior and Impact Resistance Tendency of Coal Mass with Different Water Content by Fei Liu, Yongsheng Han

“…At the same time, as one of the puzzles of rock mechanics, it has been perplexing many domestic and foreign scholars since the recorded rock burst in South Stafford coal mine in 1738. …”
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The Fracture Characteristic of Three Collinear Cracks under True Triaxial Compression by Jianjun Liu, Zheming Zhu, Bo Wang

“…The mechanical behavior of multicracks under compression has become a very important project in the field of fracture mechanics and rock mechanics. In this paper, experimental and numerical studies on the fracture property of three collinear cracks under compression were implemented. …”
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Study on Prediction Model of Mechanical Parameters of Rock Frozen-Thawed Damage based on NMR Technology by Yanzhi Tai

“…In this paper, only the NMR tests are performed on the frozen-thawed rocks, and no rock mechanics experiments are performed. The research results provide a new method for the research of rock freeze-thaw damage.…”
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Uniaxial Compression Mechanical Analysis of Cylindrical Rock Specimens Based on Space Axisymmetric Problem by Jianguang Li, Yanchun Wang, Chuanqi Su

“…This work may enrich the basic research of rock mechanics.…”
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Propagation pattern of cracks around a shale borehole via the cohesive element method by Dexu Sun

“…Therefore, in combination with rock mechanics theory and fracture mechanics theory, the cohesive element method is adopted to establish a numerical model for differential crack propagation due to bottomhole pressure on the basis of the B-K fracture criterion. …”
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Study on Seismic Response and Damping Measures of Surrounding Rock and Secondary Lining of Deep Tunnel by Baoli Tang, Yongqiang Ren

“…The structural characteristics of surrounding rock and related rock mechanics parameters are analyzed. The failure criterion of concrete lining under dynamic load is studied theoretically, and the relevant numerical calculation parameters are modified. …”
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Failure Process Simulation of Interlayered Rocks under Compression by Chi Yao, Sizhi Zeng, Jianhua Yang

“…Anisotropy in strength and deformation of rock mass induced by bedding planes and interlayered structures is a vital problem in rock mechanics and rock engineering. The modified rigid block spring method (RBSM), initially proposed for modeling of isotropic rock, is extended to study the failure process of interlayered rocks under compression with different confining pressures. …”
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Genetic Mechanism of Lower-Order Faults in Shale Formations in Rift Basins by Haimeng Yang, Xuepeng Wu, Jingshou Liu, Caifu Hu

“…In this paper, on the basis of reservoir structural analysis and rock mechanics experiments, the geological and mechanical model of the Sanduo period is established to predict the simulation of the paleostress field during the development of lower-order faults. …”
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Experimental Investigation on Deformation and Strength Behavior of Marble with the Complex Loading-Unloading Stress Path by Chen Chen, Lipeng Liu, Yu Cong

“…Based on the variation law of the stress path of the surrounding rock, laboratory tests of rock mechanics are designed, and the deformation and strength behavior of marble with different initial confining pressure and unloading rates are systematically studied. …”
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Pattern Recognition of the Vertical Hydraulic Fracture Shapes in Coalbed Methane Reservoirs Based on Hierarchical Bi-LSTM Network by Zhaozhong Yang, Chenxi Yang, Xiaogang Li, Chao Min

“…With this method, we can cope with the problems happened in early stage of the CBM field development such as the lack of monitoring wells and the information of rock mechanics. Moreover, the experiences of the engineers and the measured data are combinationally used, which can efficiently reduce the subjectivity and assist the engineers to make the refracturing design. …”
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