《Rock Mechanics Bulletin》

作品数：79被引量：54H指数：4
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《Rock Mechanics Bulletin》
主办单位：中国岩石力学与工程学会;中国矿业大学（北京）
最新期次：2024年4期更多>>
发文主题：ROCKFRACTUREGEOROCK_MECHANICSGRANITE更多>>
发文领域：矿业工程建筑科学天文地球石油与天然气工程更多>>
发文基金：国家自然科学基金河北省自然科学基金北京市自然科学基金更多>>
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Study on damage characteristics of iron ore under variable line density charge structure blasting
《Rock Mechanics Bulletin》2024年第4期1-14,共14页Xinmin Ma Yiyin Hu Xinshuo Li Yongsheng Ruan Yuan Jin Wenqing Yang 
Financial support for this work is provided by National Natural Science Foundation of China:52074301 and Supported by Key projects of National Natural Science Foundation of China:51934001.
Blasting test research was conducted on iron ore specimens with variable line density charging structures.Computer tomography(CT),digital image processing,and three-dimensional model reconstruction techniques were use...
关键词：Iron ore BLASTING Variable line density charges Damage characterization 
Application of artificial intelligence in three aspects of landslide risk assessment: A comprehensive review被引量：1
《Rock Mechanics Bulletin》2024年第4期15-33,共19页Rongjie He Wengang Zhang Jie Dou Nan Jiang Huaixian Xiao Jiawen Zhou 
supported by the National Natural Science Foundation of China(U2240221 and 52379105);the Sichuan Youth Science and Technology Innovation Research Team Project(2020JDTD0006)。
Landslides are one of the geological disasters with wide distribution,high impact and serious damage around the world.Landslide risk assessment can help us know the risk of landslides occurring,which is an effective w...
关键词：LANDSLIDES Artificial intelligence Machine learning Detection and mapping Landslide susceptibility Prediction and warning 
Continuous-discontinuous analysis of bench blasting in open-pit mining: Influences of hole packing and caving holes被引量：1
《Rock Mechanics Bulletin》2024年第4期34-40,共7页Xueya Wang Yiming Zhang Chun Feng Timon Rabczuk 
the financial support by the National Natural Science Foundation of China(NSFC)(52178324).
Bench blasting is commonly used in open-pit mining.Some design parameters such as positions of hole packing and caving holes have great influences on the blasting effects.In this work,with a hybrid discrete-finite ele...
关键词：Continuous-discontinuous element method (CDEM) Bench blasting Hole packing Caving hole Numerical simulations 
Experimental study on failure mechanism of soft rock-coal bodies in abandoned mines under cyclic dynamic loading
《Rock Mechanics Bulletin》2024年第4期41-57,共17页Dong Wang Yujing Jiang Bin Liang Zhijie Wen Jianlong Wang 
supported by the National Natural Science Foundation of China(No.52204101);the Natural Science Foundation of Shandong Province(No.ZR2022QE137);Open Project of State Key Laboratory for Geomechanics and Deep Underground Engineering in CUMTB(No.SKLGDUEK2023);the note(No.YDZX2022141)are gratefully acknowledged.
During the construction and operation of a pumped storage power station in an abandoned mine,the soft rockcoal body structure,comprising the roof and the residual coal pillars,encounters a complex stress environment c...
关键词：Soft rock-coal combinations Energy evolution Failure mechanism Cyclic dynamic loading Acoustic emission 
A coarse-grained bonded particle model for large-scale rock simulation
《Rock Mechanics Bulletin》2024年第4期58-69,共12页Chengshun Shang Liping Li Kaiwei Chu Zongqing Zhou Guillermo Casas Wenfeng Tu Yuxue Chen Shangqu Sun 
supported by the National Science Foundation for Distinguished Young Scholars of China(Grant No.52025091);the Taishan Scholars Program(NO.tsqn202312192);the Youth Innovation Team of Shandong Higher Education Institutions(2022KJ214)。
For solving the computationally intensive problem encountered by the discrete element method(DEM)in simulating large-scale engineering problems,it is essential to establish a numerical model that can effectively simul...
关键词：Numerical simulation Discrete element method(DEM) Coarse-grained bonded particle model(CGBPM) Large-scale rock 
Viscoelastic plastic interaction of tunnel support and strain-softening rock mass considering longitudinal effect
《Rock Mechanics Bulletin》2024年第4期70-82,共13页Chen Xu Sheng Wang Caichu Xia Lei Liu Zhifu Ma Jun Yang 
supported by the National Natural Science Foundation of China(Grant No.42207176 and 52278402);Ningbo Public Welfare Research Program Project(Grant No.2023S100);Ningbo Natural Science Foundation(Grant No.2022J116);China's National Key R&D Program“Intergovernmental International Science and Technology Innovation Cooperation”(Grant No.2024YFE0105800).
A simplified two-stage method was employed to provide an explicit solution for the time-dependent tunnel-rock interaction,considering the generalized Zhang-Zhu strength criterion.Additionally,a simplified mechanical m...
关键词：Tunnel excavation STRAIN-SOFTENING Generalized Zhang-Zhu strength criterion Time-dependent behavior Longitudinal effect 
Shear behavior and dilatancy of an artificial hard-matrix bimrock: An experimental study focusing on the role of blocky structure
《Rock Mechanics Bulletin》2024年第4期83-101,共19页Amir Yazdani Saeed Karimi-Nasab Hossein Jalalifar 
Bimrocks are characterized by their geotechnically significant blocky structure,presenting complex shear behavior.This study investigates the shear behavior and dilatancy of bimrocks featuring a rock-like matrix,such ...
关键词：Bimrock Rock-like matrix Shear behavior Shear strength Shear dilation Block breakage 
Discontinuous deformation analysis for subsidence of fractured formations under seepage: A case study
《Rock Mechanics Bulletin》2024年第4期102-111,共10页Jingyao Gao Wei Wang Yiyang Tang Hongyun Fan 
supported by China Scholarship Council(CSC,No.202108050072).
With the growing prominence of recycling projects of groundwater,the attention towards subsidence concerns in geological formations is intensifying.However,due to the long evolutionary time and complex underground dis...
关键词：Discontinuous deformation analysis Seepage field Groundwater cycle application 
Experimental behavior and fracture prediction of a novel high-strength and high-toughness steel subjected to tension and shear loading tests
《Rock Mechanics Bulletin》2024年第4期112-122,共11页Shulin Ren Manchao He Kuiming Liu Zhigang Tao 
supported by the Postdoctoral Fellowship Program of CPSF under Grant Number GZB20240556.
In this study,laboratory testing and numerical simulation methods are used to investigate the mechanical behavior and perform fracture prediction of a novel high-strength and high-toughness steel with a negative Poiss...
关键词：High-strength and high-toughness steel NPR steel Combined tension and shear Fracture Finite element modeling 
Effects of joint persistence and testing conditions on cyclic shear behavior of en-echelon joints under CNS conditions
《Rock Mechanics Bulletin》2024年第4期123-141,共19页Bin Wang Yujing Jiang Qiangyong Zhang Hongbin Chen 
funded by the China Scholarship Council(CSC.202006220274).
Cyclic shear tests on rock joints serve as a practical strategy for understanding the shear behavior of jointed rock masses under seismic conditions.We explored the cyclic shear behavior of en-echelon and how joint pe...
关键词：Cyclic shear test Shear strength degradation Constant normal stiffness En-echelon joint Dilation characteristics 
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