Influences of True Triaxial Loading-Unloading Stress Paths on Mechanical Properties and Wave Velocity of Coal Samples subject to Risk of Rock Burst by Wei Shen, Guang-Jian Liu, Lin-Ming Dou, Si-Yuan Gong, Hu He

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Mechanical Properties and Failure Modes of Thick-Walled Cylinder Granites with Different Apertures under Triaxial Compression by Wei Chen, Wen Wan, Shuailong Lian, Senlin Xie, Yu Zhou, Wenqing Peng, Wenlong Kuang, Xianqing Wang, Shasha Tong

“…Therefore, this paper focuses on the triaxial compression mechanical propertiesof thick-walled cylinder granites with an electrohydraulic, servo-controlled rock mechanics testing system (MTS-815). It studies how different pore sizes and confining pressures affect the triaxial compressive strength (TCS), deformation, and failure modes of granite samples. …”
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Research on comprehensive characterization of deep coal full aperture structure and burial depth effect by Qi Li, Xiaoxia Zhang, Zhengzong Wang, Lei Qiao, Shitan Shao

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Strengthening effect of particle gradation on the mechanical properties of sand powder 3D printed rock analog by Zhe Zhang, Lishuai Jiang, Atsushi Sainoki, Xiaohan Peng, Chunang Li, Qingjia Niu, Xinzhe Wang, Mingwei Gang

“…This study significantly enhances the strength and elastic modulus of SP-3DP rock-like specimens, broadening the application scope of SP-3D printing technology in rock mechanics and materials science, and providing a foundation for more accurate simulation of rock behavior under complex geological conditions.…”
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Calculation Method of Overburden Damage Height Based on Fracture Mechanics Analysis of Soft and Hard Rock Layers by Liang Chen, Shaowu Fan, Can Zhao, Lang Zhang, Zhiheng Cheng

“…The fracture modes of soft rock and hard rock were mainly tensile failure and tensile shear failure, which verified the correctness of the fracture mechanics model of soft and hard rock layers constructed in this paper. (3) It is noticed that the tensile strength of rock in this method needs to be obtained through rock mechanics experiment on overlying strata in the study area, and our proposed method was applicable to the mining conditions of near horizontal coal seam. …”
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Movement Laws of Overlying Strata above a Fully Mechanized Coal Mining Face Backfilled with Gangue: A Case Study in Jiulishan Coal Mine in Henan Province, China by Zhengkai Yang, Zhiheng Cheng, Zhenhua Li, Chunyuan Li, Lei Wang, Shuaifeng Yin, Jinhu Zhang

“…The method combining with rock mechanics, viscoelastic mechanics, control theory of rock mass under mining, and numerical simulation was used based on physical and mechanical characteristics of backfilled gangue. …”
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Experimental study on the strengthening mechanism of carbon fiber-reinforced sand powder 3D-printed rock-like materials by Lishuai Jiang, Xin He, Ye Zhao, Pimao Li, Yang Zhao, Zongke Wang, Dingrui Guo, Qi Gu

“…This study offers new insights into enhancing the strength and stiffness of sand powder 3D-printed rock-like specimens, broadening their applicability in laboratory tests and advancing the use of 3D printing in rock mechanics and engineering.…”
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Combined characterization of pore structurein deep medium-rank coal using mercury intrusion and liquid nitrogen adsorption methods and its pore fractal characteristics by Qi LI, Yong WU, Lei QIAO

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Three-dimensional omnidirectional characterization methods of rock anisotropic wave velocity and acoustic emission location optimization by Shengjun MIAO, Wenxuan YU, Mingchun LIANG, Pengjin YANG, Conghao LI, Zejing LIU

“…Rock failure and instability have been key research topics in rock mechanics domestically and internationally. Numerous geotechnical disasters, such as rock bursts and slope instability, are associated with these phenomena. …”
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Brittleness evaluation of main coal seams in Permian Taiyuan-Shanxi formations, Baode block, Ordos Basin: based on a convolutional neural network method by Qingfeng ZHANG, Ziling LI, Jikun ZHANG, Shuai HAO, Xiaoguang SUN, Yanjie SHANG, Yun ZUO

“…Studying rock mechanical parameters and brittleness can provide an important basis for fracturing modification. …”
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Degradation of Strength and Stiffness of Sandstones Caused by Wetting-Drying Cycles: The Role of Mineral Composition by Lu Chen, Yichao Rui, Yihan Zhao

“…Rock mechanical parameters are of great importance for the construction and design of rock engineering. …”
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Study on the Stability of the Coal Seam Floor above a Confined Aquifer Using the Structural System Reliability Method by Haifeng Lu, Xiuyu Liang, Nan Shan, You-Kuan Zhang

“…A quantitative method of structural system reliability was proposed to study the influence of random rock mechanical parameters and loads on the stability of the coal seam floor above confined aquifers. …”
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Ant Colony Optimization Analysis on Overall Stability of High Arch Dam Basis of Field Monitoring by Peng Lin, Xiaoli Liu, Hong-Xin Chen, Jinxie Kim

“…The basic principle of the proposed model is the establishment of the objective function of optimizing real concrete and rock mechanical parameter. The feedback analysis is then implemented with a modified ant colony algorithm. …”
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Influence of Real-Time Heating on Mechanical Behaviours of Rocks by Bin Gu, Zhijun Wan, Yuan Zhang, Yangsheng Ma, Xiaodong Bernard Xu

“…The rock mechanical properties under the effect of high temperature present a great significance on underground rock engineering. …”
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Chemical Effect on Wellbore Instability of Nahr Umr Shale by Baohua Yu, Chuanliang Yan, Zhen Nie

“…The influence of three types of drilling fluids on the rock mechanical properties of Nahr Umr Shale is tested, and time-dependent collapse pressure is calculated. …”
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Load Identification Method Based on Interval Analysis and Tikhonov Regularization and Its Application by Chunsheng Liu, Chunping Ren, Nengjian Wang

“…Therefore, the proposed method can effectively determine the upper and lower boundaries of dynamic force of the end-plate pick, improve the solving efficiency, and provide a new research method for studying the coal rock mechanism of the pick cutting load.…”
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Creep Mechanical Properties of Granite under Combined Axial Compression and Water Pressure and Support Characteristics of Surrounding Rock by Xiaolong Li, Chong Zhang, Jianhua He, Xingfu Deng

“…In this paper, taking the surrounding rock of a large underground cavern in Yebatan Hydropower Station as research object, creep mechanical test of the combined axial pressure and water pressure under normal water level and dead water level is carried out, and long-term damage mechanism of rock under different water confining pressures is revealed. Based on rock mechanical properties, calculation and analysis of surrounding rock stability under different support time are carried out, and optimal support time is also discussed.…”
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Construction of Three-Dimensional Crack Calculation Method for Transparent Rock-Like Materials Based on Stereo Vision Principle by Shu Zhu, Zhihua Luo, Zhu Zhende, Yufeng Gao, Nan Wu

“…The transparent resin material with prefabricated crack was used to simulate the initial crack inside the rock, and the uniaxial compression experiment of transparent rock material under complete stress-strain path was carried out by using the rock mechanical rigidity testing machine. Four high-speed cameras were arranged around it to record the images of the same moment from different angles. …”
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The Establishment of Segmented Constitutive Relationship of Coal under Triaxial Compression: Take the No. 3 Coal of Xinhe Colliery as an Example by Yongjie Yang, Yang Zhang, Tianli Zhang

“…This paper carried out the conventional triaxial compression test on No. 3 coal of Xinhe Colliery using the MTS815.03 servo-controlled rock mechanical test system. The results indicate that the failure process of coal can be divided into 5 stages: densification stage, apparent linear elastic deformation stage, accelerated inelastic deformation stage, fracture and developing stage, and plasticity flow stage. …”
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Influences of Microwave Irradiation on the Physicomechanical Properties and Cerchar Abrasivity Index of Rocks by Gaoming Lu, Cong Ding, Kairong Hong, Jianjun Zhou, Haining Liu, Changbin Yan

“…By using the MTS815 mechanical testing machine and the abrasion servo tester of rocks, mechanical tests and Cerchar abrasion tests were conducted before and after microwave irradiation. …”
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