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  1. 1081

    Sensitivity Analysis and Experimental Verification of Bolt Support Parameters Based on Orthogonal Experiment by Kun Zhang, Jinpeng Su, Zengkai Liu, Hongyue Chen, Qiang Zhang, Shaoan Sun

    Published 2020-01-01
    “…Convergence of surrounding rock surface and deformations in the rock are taken as the objective functions for the stability of the surrounding rock of the roadway. …”
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    Article
  2. 1082

    Investigation into Macro- and Microcrack Propagation Mechanism of Red Sandstone under Different Confining Pressures Using 3D Numerical Simulation and CT Verification by Wen Zhang, Yan-yu Chen, Jin-ping Guo, Sai-sai Wu, Cheng-yuan Yan

    Published 2021-01-01
    “…The growth and evolvement features of crack are of great significance to study the failure mechanism of rock mass and valuate the stability of the cavity. …”
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    Article
  3. 1083

    A Vibration-Isolating Blast Technique with Shock-Reflection Device for Dam Foundation Excavation in Complicated Geological Conditions by Haoran Hu, Wenbo Lu, Peng Yan, Ming Chen, Qidong Gao

    Published 2018-01-01
    “…Under complicated geological conditions, the vibration in the dam foundation caused by blasting can lead to further deterioration of the foundation rock mass and adversely affect the safety of foundation. …”
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    Article
  4. 1084

    Numerical Analysis of the Effect of Heterogeneity on Underground Roadway Stability under Dynamic Loads by Tao Guo, Hao Feng, Zequan Sun, Yang Zhao, Xingyu Wu, Xinggang Xu, Lishuai Jiang

    Published 2021-01-01
    “…With the increasing depth of coal mining and expanding mining scale, the rocks surrounding deep roadways are in a complex mechanical condition of frequent dynamic disturbance. …”
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    Article
  5. 1085
  6. 1086

    Effect of Gas Adsorption on the Application of the Pulse-Decay Technique by Shaicheng Shen, Xiaochun Li, Zhiming Fang, Nao Shen

    Published 2020-01-01
    “…However, for sorptive rock, such as coals and shales, the sorption effect may cause different measurement results under different pulse pressures. …”
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    Article
  7. 1087

    Fractal Study on the Failure Evolution of Concrete Material with Single Flaw Based on DIP Technique by Lulin Zheng, Hao Liu, Yujun Zuo, Quanping Zhang, Wei Lin, Qing Qiu, Xiaorong Liu, Ziqi Liu

    Published 2022-01-01
    “…Crack inclination and material heterogeneity have important effects on the meso-mechanical mechanism and macroscopic mechanical behavior of rock-like materials. In order to study the failure characteristics of shotcrete body during the process of using shotcrete bolt mesh support in the deep fractured rock mass of Lannigou Gold Mine, this paper combined the Digital Image Processing Technique (DIP) and RFPA2D (Rock Failure Process Analysis System) to establish a real meso-structure numerical model of concrete with different inclination angle cracks, simulating its crack propagation law and failure process, and studied the influence of crack geometry distribution and meso-heterogeneity on the effect of concrete structure. …”
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    Article
  8. 1088
  9. 1089

    Numerical Modeling for Engineering Analysis and Designing of Optimum Support Systems for Headrace Tunnel by Sajjad Hussain, Zahid Ur Rehman, Noor Mohammad, Muhammad Tahir, Khan Shahzada, Sajjad Wali Khan, Muhammad Salman, Mujahid Khan, Akhtar Gul

    Published 2018-01-01
    “…In the present research work, the rock mass rating (RMR) and tunneling quality index (Q-system) were used as empirical methods for characterization of rock mass based on real-time geological and site geotechnical data and physical and strength properties of rock samples collected from the alignment of tunnel. …”
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    Article
  10. 1090
  11. 1091

    Experimental Study on Gas Permeability Semiempirical Model of Granite after Heat Treatment by Jinquan Wu

    Published 2022-01-01
    “…High temperature will cause a thermal crack of a rock, thus affecting the permeability change of rock. …”
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    Article
  12. 1092

    Analyzing Tight Sand Characteristics and Its Influence on Aqueous Phase Removal by Gas Displacement by Mianmo Meng, Hongkui Ge, Yinghao Shen, Wenming Ji, Yang Wu, Xiaosong Xu, Weihan Huang, Qinyu Li, Jiayao Yu

    Published 2019-01-01
    “…Permeability decreases quickly with increasing confining pressure. In the rock expansion experiment, the tight sand has less expansion rate compared with shale gas rock and volcanic gas rock. …”
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    Article
  13. 1093

    Analysis of Dynamic Damage Fractal and Energy Consumption Characteristics of Dolomite Marble by Ting Zuo, Zehu Zhao, Jianguo Wang, Xianglong Li, Zihao Tao, Changhui Yang

    Published 2022-01-01
    “…The fractal dimension D of dolomite marble increases with increasing strain rate, and the smaller the average block size of the rock, the degree of crushing deepens. In addition, as the incident energy increases, the crushing energy of the rock also increases, and the energy dissipation intensifies. …”
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    Article
  14. 1094

    Effect of Strong Mining on the Fracture Evolution Law of Trick Rise in the Mining Field and Its Control Technology by Zhaolin Li, Lianguo Wang, Ke Ding

    Published 2022-01-01
    “…This study investigates the law of stress field and fracture field of the surrounding rock at the trick rise of the mining area affected by strong mining. …”
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    Article
  15. 1095

    Seismic Response for Wave Propagation across Joints with Equally and Unequally Close-Open Behaviours by Qi Zhang, Zhengliang Li, Tao Yu

    Published 2018-01-01
    “…The interaction between rock joints and seismic waves is critical in rock engineering when rock mass is suffered from human-induced or natural earthquakes. …”
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    Article
  16. 1096

    Elastoplastic Modelling of an In Situ Concrete Spalling Experiment Using the Ottosen Failure Criterion by Lauri Kalle Tapio Uotinen, Topias Kalle Aleksi Siren

    Published 2017-01-01
    “…An in situ concrete spalling experiment will be carried out in the ONKALO rock characterization facility. The purpose is to establish the failure strength of a thin concrete liner on prestressed rock surface, when the stress states in both rock and concrete are increased by heating. …”
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    Article
  17. 1097

    On the Dynamic Mechanical Behaviors of a Fault Unwelded Bimrock Exposed to Freeze-Thaw-Fatigue Loads: A Lab-Scale Testing by Yu Wang, Hongjian Wang, Sun Tao, Xuefeng Yi

    Published 2022-01-01
    “…The testing results show that the soil-rock interface is sensitive to freeze-thaw condition. …”
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    Article
  18. 1098

    Dynamic Indentation Characteristics for Various Spacings and Indentation Depths: A Study Based on Laboratory and Numerical Tests by Jie Liu, Wen Wan, Yu Chen, Jun Wang

    Published 2018-01-01
    “…First, laboratory tests indicate that the increase in the indentation depth first resulted in enlarged groove volumes, caused by fiercer rock breakages between indentations for a fixed spacing; then, the groove volume slightly increased for further increase in indentation depth, whereas the increase in spacing restrained rock breakages and resulted in shrunken grooves. …”
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    Article
  19. 1099
  20. 1100

    Calculation Model and Decoupling Coefficient Sensitivity Study of Periphery Hole for Eccentric Decoupled Charge in Highway Tunnels by Yuanqing Wang, Junfeng Liu

    Published 2018-01-01
    “…The blasting parameters of fractured rock mass are also optimized by numerical simulation.…”
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    Article