Showing 341 - 360 results of 2,575 for search '"rock ', query time: 0.07s Refine Results
  1. 341
  2. 342

    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

    Published 2020-01-01
    “…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. …”
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    Article
  3. 343

    Effect of the Interaction between Cavities and Flaws on Rock Mechanical Properties under Uniaxial Compression by Jianwang Li, Yu Zhou, Wei Sun, Zheng Sun

    Published 2019-01-01
    “…Cavities and flaws are common types of defects in rock specimens that have an important impact on the mechanical properties of rockmass. …”
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    Article
  4. 344

    Acoustic Emission and Failure Modes for Coal-Rock Structure under Different Loading Rates by Ning Wang, Yingqian Xu, Dengyuan Zhu, Nan Wang, Benfu Yu

    Published 2018-01-01
    “…Considering the combined coal-rock structure for coal bumps, failure process and acoustic emission (AE) characteristics of combined coal-sandstone samples under different loading rates were studied by uniaxial compression tests, and three basic failure modes and bump proneness for coal-rock structure were obtained. …”
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    Article
  5. 345

    A Study on the Influence of Mining Depth on the Stress Distribution Characteristics of Stope Surrounding Rock by Shaobo Li, Lei Wang, Qihan Ren, Chuanqi Zhu, Huaqiang Liu, Huaiqian Liu, Lipeng Chen

    Published 2022-01-01
    “…And the evolution laws of mechanical characteristics of stope surrounding rock under different mining depths of 600 m and 1200 m were simulated. …”
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    Article
  6. 346

    Study on Deformation Mechanism and Support Measures of Soft Surrounding Rock in Muzhailing Deep Tunnel by Zhigang Tao, Jindong Cao, Liu Yang, Aipeng Guo, Ruifeng Huang, Xiaojie Yang, Di Yuan, Lin Hou

    Published 2020-01-01
    “…This paper deeply analyzes the geological characteristics, rock mechanics characteristics, and surrounding rock failure characteristics of Muzhailing tunnel. …”
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    Article
  7. 347
  8. 348

    Application of Modified Hoek–Brown Strength Criterion in Water-Rich Soft Rock Tunnel by Xianghui Deng, Yuncai Wang, Rui Wang, Daohong Xia, Zhiqing Zhao

    Published 2021-01-01
    “…When a tunnel is excavated in the water-rich soft rock stratum, the strength of the soft rock is greatly reduced due to the seepage of groundwater. …”
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    Article
  9. 349

    Crosstalk between Inflammation and ROCK/MLCK Signaling Pathways in Gastrointestinal Disorders with Intestinal Hyperpermeability by Lijun Du, John J. Kim, Jinhua Shen, Ning Dai

    Published 2016-01-01
    “…With this perspective, we aim to summarize the current state of knowledge regarding the role of inflammation and ROCK-/MLCK-mediated pathways leading to intestinal hyperpermeability in gastrointestinal disorders. …”
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    Article
  10. 350

    Study on the Influence of Borehole Water Content on Bolt Anchoring Force in Soft Surrounding Rock by Pandong Zhang, Lin Gao, Pengze Liu, Yongyin Wang, Ping Liu, Xiangtao Kang

    Published 2022-01-01
    “…In order to further reveal the influence mechanism of borehole water content on anchoring force in soft surrounding rock, three different research methods are used. …”
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    Article
  11. 351

    Resilient Performance of Self-Centering Hybrid Rocking Columns: Theory, Experiment, and Numerical Simulation by Shi Yan, Tao Wang, Xing Su

    Published 2022-01-01
    “…A novel self-centering hybrid rocking column (HRC) with a replaceable soft steel energy dissipator (RED) is proposed to solve the issue of traditional frame structures being vulnerable to damage during earthquakes and difficult rehabilitation after. …”
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    Article
  12. 352

    Experimental Investigation on the Energy Consumption Difference between the Dynamic Impact and the Drilling Tests of Rocks by Shoudong Xie, Mingjian Huang, Junji Lu, Wang Xi, Zhenyang Xu

    Published 2022-01-01
    “…The split Hopkinson pressure bar (SHPB) technique and various drilling tests were performed on three types of lithologies (granite and cyan and red sandstone) to understand the variation in energy consumption (EC) of the different methods used for rock crushing. The dynamic behavior of rocks was analyzed based on the dynamic stress-strain curve, the peak stress, the energy, and the failure mode for the SHPB test, while the drilling curve, the influence of the drilling pressure (DP) and the revolution speed (RS) on the drilling speed (DS) were analyzed for the drilling test. …”
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    Article
  13. 353

    Experimental Study on the Ratio of Similar Materials in Weak Surrounding Rock Based on Orthogonal Design by Pengfei Jiao, Xiao Zhang, Xinzhi Li, Bohong Liu, Haojie Zhang

    Published 2018-01-01
    “…Similar materials can meet the elastic modulus and severe requirements of the weak surrounding rock and can be used for the weak surrounding rock engineering. …”
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    Article
  14. 354

    Experimental Study on Seepage Characteristics of Fractured Rock Mass under Different Stress Conditions by Ma Haifeng, Yao Fanfan, Niu Xin’gang, Guo Jia, Li Yingming, Yin Zhiqiang, Li Chuanming

    Published 2021-01-01
    “…In order to obtain the mechanical behavior and permeability characteristics of coal under the coupling action of stress and seepage, permeability tests under different confining pressures in the process of deformation and destruction of briquette coal were carried out using the electrohydraulic servo system of rock mechanics. The stress-strain and permeability evolution curves of briquette coal during the whole deformation process were obtained. …”
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    Article
  15. 355

    Study on Stability of Tunnel Surrounding Rock and Precipitation Disaster Mitigation in Flowing Sand Body by Yongyi He, Bole Sun, Mingnian Wang

    Published 2021-01-01
    “…Flowing sand is a special surrounding rock encountered by tunnel construction. Due to the looseness and low viscosity of the flowing sand, after excavation, the sand body is easy to flow along the open surface. …”
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    Article
  16. 356

    Study on the Dynamic Response Characteristics of Cylindrical Coal-Rock Samples under Dynamic Loads by Hongqing Zhu, Shuhao Fang, Yilong Zhang, Yan Wu

    Published 2020-01-01
    “…To research the dynamic response characteristics of cylindrical coal-rock samples under impact loads, the impact of rigid bars on cylindrical coal-rock samples is simulated under different speed conditions, based on LS-DYNA software, and the dynamic distribution characteristics of the stress, strain, and energy of cylindrical coal-rock samples are analyzed. …”
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    Article
  17. 357

    The Deformation Behavior and Failure Modes of Surrounding Rock after Excavation: A Experimental Study by Jinping Liang, Haoyong Jing, Xiaorui Li, Gongyu Hou

    Published 2023-01-01
    “…The deformation and failure of the surrounding rock during roadway excavation often determine the choice of supporting methods. …”
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    Article
  18. 358

    Triaxial Permeability Experimental Study on Deformation and Failure Processes of Single-Fractured Rock Specimens by Taoli Xiao, Mei Huang, Min Gao

    Published 2020-01-01
    “…A series of rock-like specimens with specific sizes and fracture inclinations was created in the laboratory. …”
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    Article
  19. 359

    Back Analysis of Rock Hydraulic Fracturing by Coupling Numerical Model and Computational Intelligent Technology by Shaojun Li, Hongbo Zhao, Xiating Feng, Quan Jiang, Qiancheng Sun

    Published 2017-01-01
    “…Hydraulic fracturing is widely used to determine in situ stress of rock engineering. In this paper we propose a new method for simultaneously determining the in situ stress and elastic parameters of rock. …”
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    Article
  20. 360

    Acoustic Emission Characteristics and Failure Mechanism of Fractured Rock under Different Loading Rates by Yongzheng Zhang, Gang Wang, Yujing Jiang, Shugang Wang, Honghua Zhao, Wenjun Jing

    Published 2017-01-01
    “…To study the loading rate dependence of acoustic emissions and the failure mechanism of fractured rock, biaxial compression tests performed on granite were numerically simulated using the bonded particle model in Particle Flow Code (PFC). …”
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    Article