Showing 781 - 800 results of 2,575 for search '"Rock ', query time: 0.07s Refine Results
  1. 781

    Understanding of Long-Term CO2-Brine-Rock Geochemical Reactions Using Numerical Modeling and Natural Analogue Study by Huixing Zhu, Tianfu Xu, Hailong Tian, Guanhong Feng, Zhijie Yang, Bing Zhou

    Published 2019-01-01
    “…The simulation results indicate that the brine-rock interactions induced by CO2 can be roughly divided into two stages. …”
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    Article
  2. 782
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  5. 785

    Development of a Model to Predict Vibrations Induced by Blasting Excavation of Deep Rock Masses under High In Situ Stress by Yong Fan, Xianze Cui, Zhendong Leng, Yurong Zhou, Junwei Zheng, Feng Wang

    Published 2020-01-01
    “…During the process of blasting excavation of deep rock masses under high in situ stress, energy produced by the explosive and the strain energy released by rock mass excavation constitute the energy source of vibration. …”
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    Article
  6. 786

    Failure Mechanism of a Coal-Rock Combined Body with Inclinations of Structural Planes and a Calculation Model for Impact Energy by Yi-Chao Zhao, Ming-Shi Gao, Yong-Liang He, Dong Xu

    Published 2019-01-01
    “…A coal-rock (CR) combined body can be used to simulate structures of coal and rock strata, and its impact-induced failure characteristic conforms more close to engineering practice. …”
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    Article
  7. 787

    Model Test Study on Cylindrical Blasting Stress Wave Propagation across Jointed Rock Mass with Different Initial Stresses by Qian Dong, XinPing Li, JunHong Huang

    Published 2020-01-01
    “…In the drilling and blasting excavation of underground rock mass, the stress wave produced by the blasting holes usually propagates in the form of cylindrical wave, while the rock mass surrounding the underground engineering is initially subjected to the in situ stress. …”
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    Article
  8. 788

    Experimental Study on Seepage Properties of Postpeak Fractured Rocks under Cyclic Loading-Unloading Confining Stress and Axial Stress by Xiaobo Zhang, Zuhao Xia, Chi Yao, Jianhua Yang, Mingdong Yang

    Published 2021-01-01
    “…Excavation in rock masses always encounters safety problems from rock fracture seepage in water-rich areas, which needs to be paid much attention, especially for fractured rocks under complicated stress state. …”
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    Article
  9. 789

    Effect of Pore-Scale Mineral Spatial Heterogeneity on Chemically Induced Alterations of Fractured Rock: A Lattice Boltzmann Study by Hossein Fazeli, Ravi Patel, Helge Hellevang

    Published 2018-01-01
    “…Fractures are the main flow path in rocks with very low permeability, and their hydrodynamic properties might change due to interaction with the pore fluid or injected fluid. …”
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    Article
  10. 790

    Experimental Study on Characteristics of Seismic Damage and Damping Technology of Absorbing Joint of Tunnel Crossing Interface of Soft and Hard Rock by Dao-yuan Wang, Jin-xiu Yuan, Guang-yao Cui, Jia Liu, Hong-fan Wang

    Published 2020-01-01
    “…However, the survey of seismic damage showed that the seismic damage of tunnel also mainly occurred in geological section at interface of soft and hard rock. Currently, merely scholars have made some research studies on characteristics of seismic damage and damping technology of tunnel crossing the vertical interface between soft and hard rock in high intensity area, and the mechanism of seismic damage has not been clearly revealed. …”
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    Article
  11. 791

    Damage Characteristics and Constitutive Model of Deep Rock under Frequent Impact Disturbances in the Process of Unloading High Static Stress by Chun Wang, Shuai-fei Zhan, Mei-zhi Xie, Cheng Wang, Lu-ping Cheng, Zu-qiang Xiong

    Published 2020-01-01
    “…During the mining of deep mineral resources, the rock is in the complex mechanical environment of high crustal stress and blasting excavation unloading, and the improved SHPB test system is used to carry out frequent impact disturbance test of deep rock in the process of unloading high static stress. …”
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    Article
  12. 792

    Material Point Method-Based Simulation of Run-Out Characteristics for a Soil–Rock Mixed Landslide Induced by Surcharge by Yi Zhang, Fan Zhang, Qingbo Yi, Guanzhu Jiang, Juncheng Xie

    Published 2024-01-01
    “…This study elucidates the impact of surcharge loading on mixed soil–rock slopes and benchmarks their response against that of pure soil slopes under analogous loading conditions. …”
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    Article
  13. 793

    Analysis of Extent of Deformation Range and Failure Characteristics of Rocks Surrounding a Tunnel Crossing Fault Zone Based on FDEM by Guo Xiaoxiong, Wang Ning, Xu Xueliang, Ye Zihui

    Published 2022-01-01
    “…The rock surrounding the tunnel was found to incur significant conjugate shear deformation and extrusion deformation: conjugate shear deformation was identified as dominant in the deep rock mass, whereas extrusion deformation prevailed in the rock mass near the cave wall. …”
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  14. 794

    A Study on the Mechanisms of Tension-Shear Failure and the Estimation Model for Key Parameters of Free-Face-Assisted Rock Breaking by Chongmao Tang

    Published 2021-01-01
    “…One huge challenge TBM construction face is to improve the breaking ability of cutters for hard rocks, making the studies on new rock breaking approaches for cutters very important. …”
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    Article
  15. 795

    Evaluation of microbial activity, N-NH3 and CO2 losses in poultry litter treated with basalt rock powder by Janete Curtis, Augusto Luchese, Robson Missio

    Published 2023-01-01
    “…Purpose Poultry litter (PL) and basalt rock powder (BRP) are raw materials highly produced in some Brazilian regions. …”
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    Article
  16. 796

    Observed Performance and FEM-Based Parametric Analysis of a Top-Down Deep Excavation in Soil-Rock Composite Stratum by Gang Lei, Panpan Guo, Fucai Hua, Xiaonan Gong, Lina Luo

    Published 2021-01-01
    “…This paper investigates the performance of a top-down deep excavation in soil-rock composite stratum. The behavior of the excavation bracing system, consisting of ground anchors and end-suspended piles, has not been well understood due to the lack of relevant research. …”
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    Article
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