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  1. 661

    Study on Local Brittleness of Rock Based on Multiple Linear Regression Method: Case Study of Shahejie Formation by Meng Cai, Yang Wang, Wanchun Zhao, Xiaodong Shi, Teng Li

    Published 2023-01-01
    “…Rock brittleness index is an important parameter that affects the volume fracturing effect of an unconventional reservoir. …”
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    Article
  2. 662

    Investigating Reliability of Duimenshan High Rock Slope in Gejiu, Yunnan Province Based on the Monte Carlo Method by A. Fa-You, Wan-cheng Pan, Wen-ping Wu, Shi-qun Yan

    Published 2022-01-01
    “…In the present study, the high rock slope of Duimenshan in Gejiu, China is taken as the research object, and the Monte Carlo method is used to perform the analyses. …”
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    Article
  3. 663
  4. 664

    Study on Reasonable Roadway Position of Working Face under Strip Coal Pillar in Rock Burst Mine by Hengze Yang, Zhongping Guo, Daozhi Chen, Chao Wang, Fuyu Zhang, Zhaowen Du

    Published 2020-01-01
    “…During the mining period of 1310 working face, the peak value of side abutment pressure is at the position of 3∼4 m; beyond 25 m in front of the coal wall, the deformation of the surrounding rock on the tailentry surface is small. After entering the advanced support section, the deformation of the two sides is mainly longitudinal crack expansion and local shallow small flakes; however, the roof is complete and stable. …”
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    Article
  5. 665

    Experimental and Numerical Study of Failure Behavior and Energy Mechanics of Rock-Like Materials Containing Multiple Joints by Ri-hong Cao, Hang Lin

    Published 2017-01-01
    “…This paper investigates the influence of joint geometry parameters on the characteristic stress, failure pattern, and energy mechanism of multiple jointed rock-like specimens under uniaxial compression. Both the laboratory and numerical results show that the higher value of UCS occurs when α is around 0° and γ changes from 15° to 30° or when α is around 30° and γ changes from 45° to 75°. …”
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    Article
  6. 666

    Impacts of Cyclic Loading and Unloading Rates on Acoustic Emission Evolution and Felicity Effect of Instable Rock Mass by Mingwei Zhang, Qingbin Meng, Shengdong Liu, Deyu Qian, Nong Zhang

    Published 2018-01-01
    “…Impact of loading and unloading rates on rock AE characteristics was revealed. Results show that increasing loading and unloading rates resulted in decreasing total AE rings in the entire rock deformation and failure process. …”
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    Article
  7. 667

    Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns by XinPing Li, JunHong Huang, Yi Luo, Qian Dong, YouHua Li, Yong Wan, TingTing Liu

    Published 2017-01-01
    “…Aiming at surrounding rock damage induced by dynamic disturbance from blasting excavation of rock-anchored beam in rock mass at moderate or far distance in underground cavern, numerical model of different linear charging density and crustal stress in underground cavern is established by adopting dynamic finite element software based on borehole layout, charging, and rock parameter of the actual situation of a certain hydropower station. …”
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    Article
  8. 668

    Fracture Characteristics and Disaster-Causing Mechanism of Rock Strata Based on Arch Mechanical Model of Plane Contact Block by Zhang Xin-chao, Du Feng, Tang Jun-hua, Wang Qin-ting, Lu Fei-fei

    Published 2022-01-01
    “…The research results provide an important guiding significance for prediction and prevention for dynamic disaster of rock strata in working face with large mining height.…”
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    Article
  9. 669

    Mountains, Shrines, and Rock Art: Landscape in Ancestral Pueblo culture from the Colorado Plateau, North American Southwest by Radosław Palonka, Kathleen M. O’Meara, Katarzyna M. Ciomek, Zi Xu, Brianna Gooch, Claire Moriarty, Bartosz Foryś

    Published 2024-12-01
    “… Since 2011, the Sand Canyon–Castle Rock Community Archaeological Project has been conducted in several canyons of the central Mesa Verde region, southwestern Colorado in the North American Southwest. …”
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  10. 670
  11. 671
  12. 672

    Study on Mechanical Model for Postpeak Shear Behavior of Rock Joints Based on Degradation Characteristics of the 3D Morphology by Juan Liu, Feng Gao, Yan Xing, Xianghe Gao

    Published 2024-01-01
    “…A JRC degradation model was presented based on regression analyses to evaluate the JRC values of rock joints under various displacements to replace it in the JRC–JCS model. …”
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    Article
  13. 673

    A New Modified Model of the Streaming Potential Coupling Coefficient Depends on Structural Parameters of Soil-Rock Mixture by Xin Zhang, Mingjie Zhao, Kui Wang

    Published 2021-01-01
    “…The streaming potential effect in soil-rock mixture (SRM) is related to the compactness and rock content, but there is no model to quantitatively describe this behavior. …”
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    Article
  14. 674

    Experimental Study of Size Effects on the Deformation Strength and Failure Characteristics of Hard Rocks under True Triaxial Compression by Qiang Han, Yaohui Gao, Yan Zhang

    Published 2021-01-01
    “…Size effect has always been the focus of rock mechanics as a bridge between laboratory test and engineering site. …”
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    Article
  15. 675

    Analysis on the Difference of Impact Response between Single Coal-Rock Particle and the Box Structure-Based Tail Beam by Li-rong Wan, Zhe Li, Yang Yang, Ran Li

    Published 2021-01-01
    “…In the process of coal caving, the basis of identifying coal and rock by the vibration signal is the difference of the tail beam response when coal-rock impacts the tail beam, and the tail beam in the hydraulic support is a complex box structure with multiplate transverse and longitudinal welding, and the response difference of the box structure-based tail beam under the impact of coal-rock is not clear. …”
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  16. 676
  17. 677

    Mechanism and Prevention and Control of Mine Earthquake in Thick and Hard Rock Strata considering the Horizontal Stress Evolution of Stope by Ming Zhang, Xuelong Hu, Hongtao Huang, Guangyao Chen, Shan Gao, Chao Liu, Lihua Tian

    Published 2021-01-01
    “…This study investigated the mechanism, prevention measures, and control methods for earthquake disasters typically occurring in mines with thick and hard rock strata. A mine stope with large faults and thick hard rock strata in Hebei Province was taken as the background study object. …”
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    Article
  18. 678

    Study on Permeability of Soil-Rock Mixture in Water-Blocking Layer of Open-Pit Coal Mine Dump Site by Boyu Luan, Wei Zhou, Xin Meng, Xiang Lu, Zhichao Liu

    Published 2020-01-01
    “…In this study, the soil-rock mixture samples similar to the water-blocking layer were prepared, and the rock block proportion (RBP) and hydraulic pressure were adopted as test variables to conduct a permeability test, which provided theoretical support for on-site construction. …”
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  19. 679
  20. 680

    Numerical Study of Ground Vibrations Caused by Cylindrical Wave Propagation in a Rock Mass with a Structural Plane by Shaobo Chai, Wei Tian, Liyuan Yu, Hao Wang

    Published 2020-01-01
    “…Stress wave which is caused either by an explosion in a borehole or by an accidental explosion in a tunnel is supposed to be considered under certain circumstances when it propagates through the surrounding rock masses which contain holes in cylindrical form. …”
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    Article