Showing 441 - 460 results of 2,575 for search '"Rock ', query time: 0.05s Refine Results
  1. 441

    Study on Surrounding Rock Stability Mechanism of Gob-Side Entry Retaining with Prefabricated Fracture by Hao Wu, Chuanqu Zhu, Qingfeng Li

    Published 2021-01-01
    “…When the cutting angle is 10°, the stability of the surrounding rock of gob-side entry retaining is more stable than that of other angles, and the plastic range is small. …”
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    Article
  2. 442

    Three-Dimensional Wave-Field Characteristics of Earth-Rock Dams with Different Hidden Hazards by Kui Wang, Jie Liu, Ying Zou, Mingjie Zhao, Yue Qiang

    Published 2018-01-01
    “…The three-dimensional wave-field characteristics of dangerous earth-rock dams are the premise and foundation to identify the hidden hazards of the earth-rock dams via wave test method. …”
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    Article
  3. 443

    Prediction of Compressive Strength of Concrete and Rock Using an Elementary Instance-Based Learning Algorithm by Shun-Chieh Hsieh

    Published 2021-01-01
    “…The standard k-nearest neighbors (k-NN) with cross-validation were utilized to develop compressive strength prediction models for some concretes and rocks by considering indirect parameters such as physical and mechanical parameters. …”
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  4. 444
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    Characteristics Analysis of Generalized Rock Quality Designation (RQD) Based on Degree of Joint Development by Lin Jun, Sha Peng, Gao Shuyu, Ni Jiji

    Published 2021-01-01
    “…Rock quality designation (RQD) is widely adopted as a fundamental tool in characterizing rock masses since it was devised in 1964. …”
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    Article
  6. 446

    Case Study of the Characteristics and Mechanism of Rock Burst near Fault in Yima Coalfield, China by Zhenhua Jiao, Qiupeng Yuan, Peng Zou, Benjun Shi

    Published 2021-01-01
    “…Deep mining near faults may easily cause rock bursts, which seriously threaten mining safety. …”
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    Article
  7. 447

    Influence of In-Situ Stress on the Energy Transmission of Blasting Stress Wave in Jointed Rock Mass by Qian Dong, XinPing Li, TingTing Liu

    Published 2021-01-01
    “…The study of influence of in-situ stress on energy transmission of blasting stress wave in jointed rock mass is the basis for improving the utilization rate and optimizing the distribution of explosive energy in underground rock mass during blasting excavation. …”
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    Article
  8. 448

    Relationship between Brittleness Index and Crack Initiation Stress Ratio for Different Rock Types by Juyu Jiang, Dong Wang, Xinping Han, Shuai Di

    Published 2020-01-01
    “…Brittleness and crack initiation stress (σci) are important rock mechanical properties and intrinsically related to rock deformation and failure. …”
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    Article
  9. 449

    Experimental Study on the Effects of Stress-Induced Damage on the Microstructure and Mechanical Properties of Soft Rock by Hao Wang, Yong-Yan Wang, Zhuo-Qun Yu, Jian-Guang Li

    Published 2021-01-01
    “…After rocks are damaged under stress loading, the changes of their microstructural and mechanical properties are major factors that affect construction safety in geotechnical engineering projects. …”
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  10. 450
  11. 451

    Study on Safety Control of Large-Section Roadway with High Stress and Broken Surrounding Rock by Wen-qing Peng, Hao Zhu, Qi Wang, Gang Peng

    Published 2021-01-01
    “…The results show that the combined support scheme can effectively control the stability of the surrounding rock.…”
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    Article
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