Showing 501 - 520 results of 2,575 for search '"Rock ', query time: 0.06s Refine Results
  1. 501

    Orthogonal Analysis and Numerical Simulation of Rock Mechanics Parameters in Stress Field of Shaft Heading Face by Liyun Yang, Siyu Chen, Pengxiang Dong, Qingcheng Wang, Chen Huang

    Published 2020-01-01
    “…This paper focuses on improving the blasting effect of the drilling and blasting method in the deep rock mass and solves the problems of blasthole collapse and misfire accident in the process of drilling and blasting construction of heading face. …”
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    Article
  2. 502
  3. 503
  4. 504

    Study on the Precursors of Coal-Rock Fracture Based on the Maximum Lyapunov Exponent of Acoustic Emission Parameters by Guoqiang Cheng, Xiaohui Sun, Jiangong Li

    Published 2022-01-01
    “…In this paper, the relationship between acoustic emission (AE) parameters and coal-rock fracture is investigated by using the discrete element particle flow simulation software PFC. …”
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    Article
  5. 505

    A Novel Coal Burst Criterion of Anchored Roadway Surrounding Rock under Dynamic Disturbance by Zheng-yi Wang, Peng-bo Li

    Published 2023-01-01
    “…This study proposes a novel coal burst criterion of anchored roadway surrounding rock under dynamic disturbance through mechanical modeling. …”
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    Article
  6. 506

    A Scientometric Review on Rockburst in Hard Rock: Two Decades of Review from 2000 to 2019 by Weizhang Liang, Bing Dai, Guoyan Zhao, Hao Wu

    Published 2020-01-01
    “…This study is aimed at providing a scientometric review on rockburst research in hard rock from 2000 to 2019. First, a total of 430 papers were collected from the Web of Science Core Collection database. …”
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    Article
  7. 507

    Numerical Simulation of Shear Behavior and Permeability Evolution of Rock Joints with Variable Roughness and Infilling Thickness by Jingyi Cheng, Hongwei Zhang, Zhijun Wan

    Published 2018-01-01
    “…The mechanical properties and permeability evolution of sand-infilled rock joints during the shear process is an important issue in rock engineering, such as it pertains to hydraulic fractures filled with proppant. …”
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    Article
  8. 508

    Experimental Study on Explosion Pressure and Rock Breaking Characteristics under Liquid Carbon Dioxide Blasting by Yanan Zhang, Junren Deng, Bo Ke, Hongwei Deng, Jielin Li

    Published 2018-01-01
    “…A liquid carbon dioxide blasting experiment was carried out under free field conditions, alongside a liquid carbon dioxide rock breaking experiment, to investigate explosion pressure variation and rock breaking characteristics under liquid carbon dioxide blasting. …”
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    Article
  9. 509

    Study on Overburden Rock Movement and Stress Distribution Characteristics under the Influence of a Normal Fault by Quansen Wu, Peng Kong, Quanlin Wu, Xinggang Xu, Xingyu Wu, Tao Guo

    Published 2020-01-01
    “…In addition, the relationship among mining, mining stress, and rock bursts induced by fault activation was investigated. …”
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    Article
  10. 510

    Experimental Study of Mechanical Characteristics of Tunnel Support System in Hard Cataclastic Rock with High Geostress by Minglei Sun, Yongquan Zhu, Xinzhi Li, Zhengguo Zhu, Benguo He

    Published 2020-01-01
    “…In hard cataclastic surrounding rock with high geostress, the rock monomer strength is high and the rock is broken, and tunnel excavation in it is apt to cause large deformation, collapsing, and breaking, causing initial support crack and even intruding of the initial support deformation. …”
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    Article
  11. 511

    Multivariate Prediction Model of Strength and Acoustic Emission Energy considering Parameter Correlation of Coal or Rock by Shuncai Li, Daquan Li, Nong Zhang

    Published 2020-01-01
    “…It is of theoretical significance to explore the correlation of various parameters and to establish multiparameter regression models of coal rock strength and AE characteristics for predicting the strength and acoustic emission characteristic parameters of coal rock and reducing the repeated tests. …”
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    Article
  12. 512

    Experimental Investigations on Charge Induction and Microseismic Characteristics of the Coal and Rock under Different Loading Rates by Yuchun Liu, Ling Ding, Yangfeng Zhao, Yi Fan, Hongfei Li

    Published 2021-01-01
    “…The research on charge induction and microseismic characteristics of coal and rock under different loading rates is of great significance for rockburst prediction. …”
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    Article
  13. 513

    Study on Prediction Model of Mechanical Parameters of Rock Frozen-Thawed Damage based on NMR Technology by Yanzhi Tai

    Published 2022-01-01
    “…In order to establish prediction models for the mechanical parameters of rock freeze-thaw damage based on nuclear magnetic resonance (NMR) technology, with reference to the laboratory test of rock mechanical parameters after freeze-thaw, combined with low-field NMR and multivariate analysis methods, PLSR and PCR prediction models for the peak stress, peak strain, and elastic modulus of frozen-thawed rocks were established. …”
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    Article
  14. 514

    Deteriorated and Dislocated Multiple Organizational Relationships: An Investigation of Chinese Rock Burst Prone Coal Mines by Shuai Han, Izhar Mithal Jiskani, Yue Li, Zhen Liu, Jueli Yin

    Published 2021-01-01
    “…Data were collected from six high-risk rock burst underground mining companies operating in western, central, north-eastern, and south-eastern regions of China. …”
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    Article
  15. 515

    Numerical Simulation on Heat Recovery Efficiency of Different Working Fluids in High-Temperature Rock Mass by Xu Dong, Haozhe Geng, Guan Hao, Pan Li, Yi Teng, Wen Zhang

    Published 2021-01-01
    “…It is of great significance for the sustainable development of global energy to develop hot dry rock (HDR) geothermal resources by using enhanced geothermal system (EGS) technology. …”
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  16. 516

    Study on the Vibration Effect of Short Footage Blasting Load on Surrounding Rock-Support Structure of Tunnel by Chunquan Dai, Hongtao Sui, Chao Ma

    Published 2020-01-01
    “…In the excavation process of a drilling and blasting tunnel, it takes multiple blasting excavations to form, so it is inevitable to produce multiple blasting impact loads, which will cause certain vibration damage to the surrounding rock-support structure. To solve this problem, based on the attenuation formula of blasting vibration wave and considering the cumulative effect of short footage blasting load, the radial displacement formula of surrounding rock particles is derived, and the analytical solution of vibration velocity field is obtained by using the method of separating variables. …”
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    Article
  17. 517

    Experimental Study on the Deterioration Rules of Anchoring Performance of Rock Mass under Different Joints Distribution by Wantao Ding, Minglei Hou, Lei Chen, Keqi Liu, Rui Chen, Yang Wang, Mingbin Wang

    Published 2019-01-01
    “…In order to analyze the influence of damage caused by corrosion on anchoring performance of a rock mass with different joints, the anchored rock mass specimens with different joints distribution were prepared. …”
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    Article
  18. 518

    Forms of phosphorus of vermicompost produced from leaf compost and sheep dung enriched with rock phosphate by Ebrahim Adhami, Sara Hosseini, Hamidreza Owliaie

    Published 2024-02-01
    “…Results Vermicomposting and RP application increased NaHCO3-Pi. Rock phosphate application in vermicomposting significantly increased NaHCO3-Po. …”
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    Article
  19. 519

    PPV Criterion of a Rock Slope Imbedded with a Fault subjected to Blasting P-Waves by Shiwei Lu, Chuanbo Zhou, Zhen Zhang, Ling Ji, Nan Jiang

    Published 2020-01-01
    “…The blasting excavation exerts a significance influence on the slope stability. In fact, intact rock slopes do not exist and slope stability is controlled by the geological defects. …”
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    Article
  20. 520

    Comparative Analysis of Thermomechanical Properties and Thermal Damage Constitutive Models of Three Soft Sedimentary Rocks by Wenhua Zha, Weixing Shao, Suqin Yao, Qiang Chen, Denghong Chen

    Published 2020-01-01
    “…In order to study the difference in thermomechanical properties of soft sedimentary rocks of different coal measures, three types of soft sedimentary rocks, sandstone, sandy mudstone, and mudstone, which are common in deep mines, are tested using the RMT-150B rock mechanics test system and GD-65/150. …”
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    Article