Showing 801 - 820 results of 2,575 for search '"Rock ', query time: 0.05s Refine Results
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    Application of Presplitting Blasting Technology in Surrounding Rock Control of Gob-Side Entry Retaining with Hard Roof: A Case Study by Shuang Gong, Yi Tan, Yunpeng Liu, Dan Zhu, Yang Yu

    Published 2021-01-01
    “…Aiming at the hard rock roof, the “deep hole + shallow hole” presplitting blasting roof cutting technology is developed, and the economic and reasonable blasting parameters are determined. …”
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    Article
  6. 806

    Deformation and Failure Evolution Law and Support Optimization of Gob-Side Entry in Weakly Cemented Soft Rock under the Influence of Fault by Chengfu Ma, Fenghai Yu, Kai Zhou, Xuerui Yang, Bo Sun, Xinyu Yao, Yani Chi, Yuanzhi Zhang

    Published 2024-01-01
    “…Under the condition of weakly cemented soft rock in Western China, the surrounding rock deformation of gob-side entry is obvious, especially under the influence of fault, and the problem of surrounding rock control becomes increasingly prominent. …”
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  7. 807

    Analysis of Mechanical Properties and Slope Stability of Red Bed Soft Rock: A Case Study in Xinjiang Irrigation Diversion Channel by Da Liu, Jianglin Gao, Fang Chen, Songtao Hu, Xiaohua Zhao, Yan Li

    Published 2022-01-01
    “…The channel slope in the red-bed soft rock area is prone to instability and collapse due to the influence of the channel flow movement, rainfall, weathering, and other factors. …”
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    Article
  8. 808

    Study on Pressure Relief Zone Formed Inside Roadway Rib by Rotary Cutting with Pressurized Water Jet for Preventing Rock Burst by Zeng-Qiang Yang, Chang Liu, Hui-Wu Jin

    Published 2022-01-01
    “…Based on the engineering geological conditions of mining area 2502 in Yanbei coal mine as a background, the comprehensive index method is used to evaluate the rock burst risk of mining area 2502, and the burst tendency of coal seam 5# under natural and water-saturated conditions is also tested in laboratory. …”
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    Article
  9. 809

    Study on the heat transfer characteristics of mine roadway surrounding rock under periodic airflow temperature: Numerical simulation and experimental validation by Mingyan Guo, Yueping Qin, Dongyang Han, Fei Tang, Shibin Wang, Hairong Wang

    Published 2025-02-01
    “…Studying the effect of periodic airflow temperature on the heat dissipation of surrounding rock is the basis for revealing the causes of seasonal mine heat damage. …”
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    Article
  10. 810

    Experimental Study on Shear Failure Characteristics of Jointed Rock Mass Based on Direct Shear Tests and Digital Image Correction Techniques by Fenhua Ren, Liwei Zhang, Xinghui Wu, Wensheng Liu

    Published 2021-01-01
    “…The instability of rock engineering is normally dominated by the shear failure of rock mass. …”
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  11. 811

    A Simple Solution and Dilatancy Characterization for a Circular Tunnel Excavated in the Nonlinear Strain-Softening and Nonlinear Dilatancy Rock Mass by Xiuling Wang

    Published 2023-01-01
    “…Tunnel opening or excavation in the strain-softening rock masses primarily leads to initial stress release and rock deformation. …”
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    Article
  12. 812

    Mechanical Properties of Different Lithological Rocks: A Case Study of the Coal Measure Strata in the Eastern Margin of Ordos Basin, China by Xiong Jian, Wu Jianjun, Liu Junjie, Li Bing, Liu Xiangjun, Liang Lixi

    Published 2022-01-01
    “…In this paper, the mechanical behaviors of different lithological rocks of coal measure strata from Shanxi Formation in the eastern margin of the Ordos Basin, China, were investigated through uniaxial compression tests, and the deformation characteristics and failure modes of different lithological rocks were investigated. …”
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  13. 813

    Vous avez dit rock arabe ? Retour sur la trajectoire du groupe Carte de séjour (1980-1989) by Philippe Hanus

    Published 2016-06-01
    “…In 1981, journalists have hailed Carte de Séjour (Residence permit) a highly topical name – formed in Lyon’s suburbs a few years earlier – as the first example of « arab rock » band. This group, which incorporates electric guitar, bass and drums established a core rock sound that was “orientalised” by the use of the oud, and North African percussions. …”
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  14. 814

    Accurate Perception of Rock Strata Movement for Environmental Protection in Coal Mining: Taking Thick and Hard Roof Cooperative Control as an Example by Tong Zhao, Changyou Liu, Kaan Yetilmezsoy, Majid Bahramian, Peilin Gong

    Published 2021-01-01
    “…Accurate perception of the key stratum instability can improve the safety of coal mining and also provide a basis for alleviating overlying rock strata destruction and environmental disturbance. …”
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  15. 815

    The Influence of Coupled Thermomechanical Processes on the Pressure and Temperature due to Cold Water Injection into Multiple Fracture Zones in Deep Rock Formation by Bruno Figueiredo, Chin-Fu Tsang, Auli Niemi

    Published 2020-01-01
    “…A technique to produce geothermal energy from deep rock formations at elevated temperatures consists of drilling two parallel deep boreholes, the second of which is directed so as to intersect a series of fractures produced by hydraulic fracturing in the first borehole. …”
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  16. 816

    Numerical Simulation of Fragment Separation during Rock Cutting Using a 3D Dynamic Finite Element Analysis Code by Zhenguo Lu, Lirong Wan, Qingliang Zeng, Xin Zhang, Kuidong Gao

    Published 2017-01-01
    “…To predict fragment separation during rock cutting, previous studies on rock cutting interactions using simulation approaches, experimental tests, and theoretical methods were considered in detail. …”
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    Study of SCA-Induced Rock Crack Propagation under Different Stress Conditions Using a Modified Cohesive Element Method by Shen Wang, Hani Mitri, Huamin Li, Dongyin Li, Wen Wang

    Published 2018-01-01
    “…When inducing cracks, soundless cracking agents (SCAs) do not generate vibration, harmful gas, dust, nor flying rock fragment, making them suitable for hard rock roof breaking, rock burst prevention, oil or gas reservoir stimulation, and building demolition. …”
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    Support System for Tunnelling in Squeezing Ground of Qingling-Daba Mountainous Area: A Case Study from Soft Rock Tunnels by Xiuling Wang, Jinxing Lai, Rodney Sheldon Garnes, Yanbin Luo

    Published 2019-01-01
    “…This paper establishes a strong support system suitable for a squeezing tunnel for the purpose of addressing problems exhibited in the extreme deformation of rock mass, structure crack, or even failure during excavation phase. …”
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