Rock Dynamics: Progress and Prospect, Volume 1 Proceedings of the Fourth International Conference on Rock Dynamics And Applications (RocDyn-4, 17–19 August 2022, Xuzhou, China)

Keynotes

Physics, motions and prediction of earthquakes from rock mechanics perspective, Ö. Aydan
Experimental evaluation on the dynamic tensile properties of brittle solids by electromagnetic split Hopkinson bar, Y. Li, B. Jiang, J. Hu & Y. Guo
Stochastic data and deterministic information–seismicity and stress field simulation: Modeling, lab tests, field observations, L.A. Nazarova
Modeling fault activation, seismicity and leakage in geologic carbon sequestration, J. Rutqvist
Trajectories in blasting research–a personal perspective, A.T. Spathis
An overview of recent developments in numerical methods in the modelling of rock dynamic problems, G.-F. Zhao

Young scholar plenary session

A comparative study towards the performance of rock bolt support system under static and seismic conditions, M. Varma, V.B. Maji & A. Boominathan
Impact of Slope Stability Radar (SSR) position on early warning detection for hazardous geotechnical event, study case: Bench-scale failure, F. Takdir, H. Gunawan & L.M. Shaleh
Numerical study on the relationship between initiation sequence and blasting quality of hematite, C. Feng, X. Liu, X. Zhu & X. Wang
On the evolution of P-wave behaviours across cemented rock joints subjected to tensile loading, H. Yang, D. Han & Q. Zhao
Principles of localized strain rate, strength field and transition strain rate in cracking processes under dynamic loadings, C. Zou, J. Li, K. Liu & X. Zhao

Analysis and theoretical development

A novel method to account for size effect in rock indentation test, H. Yang, Z. Xu & Y. Cheng
A study of compressibility effects models for red sandstone with different water cut processes, Y. Yang, L. Liu, Y. Cai, S. Zhong, H. Chen, S. Xia & T. Tao
Analytical study on the effect of damage zones on the occurrence of surface rupture at the Hinagu fault, N. Iwata, Y. Ohtsuka, Ö. Aydan, T. Ito, A. Sainoki & T. Ikeda
Blast induced rock fracturing and fragmentation: Crack initiation and propagation processes considering the effect of gas penetration, J. Younes, X. Li & G. Grasselli
Damage evolution of intact and jointed rocks under cyclic loading, P. Khalkho & M. Singh
Dynamic cavity expansion in rock medium based on bounding surface plasticity damage model, J. Liang, L. Huang, J. Ma & H. Yang
Dynamic mechanical properties and damage mechanism of sandstone under acidification condition: Application for the enhanced in-situ leaching of low-permeability sandstone uranium deposit, Q. Niu, M. Hu, W. Wang, X. Su, L. Zhao, W. Yuan, J. Chang, Y. Zheng, Z. Du, M. Chen, J. He, Y. Wei & L. Wen
Dynamic response analysis of reactive powder concrete-filled steel tubular column under blast loading, J. Ma, J. Chen, J. Liang & W. Chen
Effect of loading rate on mode I fracture toughness in sandstone and its micromechanism, P. Cao, T. Zhou & J. Zhu
Effect of original pores on dynamic characteristics of granite under cyclic impact loading, N. Hu, X. Liu & Y. Wang
Experimental study of damage evolution of wetting-drying cyclic sandstone under repeated impacts, R. Li, C. Zhou & J. Zhu
Fractal characteristics of deep marble under impact loading, X. Li, Y. Wu, D. Hou, J. Wang & L. He
Fracture characteristics investigation of the Longmaxi anisotropic shale in ChangNing block of Sichuan basin, China, G. Dong, H. Yuan, Y. Chen, K. Wen, H. Yin, Z. Rong, S. Luo & Q. Wang
Impact of fracture roughness on geothermal energy exploitation, F. Xiao, L. Yang, L. He, Z. Xu, J. Sun & Z. Zhao
Impact response analysis of rocklike structures based on damage-plasticity constitutive model, X. Wei & X. Ren
Investigation on the fracture morphology of reciprocating fracturing in horizontal wells, M. Tang, G. Zhang, X. Du, B. Ma & W. Wang
Loading rate effect on fracturing and energy characteristics of anisotropic shale with dynamic Brazilian disc test, H. Xing, K. Xie, W. Xing & Y. Qiu
Loading rate effect on tensile strength of rock material and morphology of fracture surface, Z. Cui, Q. Sheng, M. Zhang & G. Zhang
Modification of Hoek-Brown criterion and evaluation of rock mass quality in tunnel vibration damaged area, X. Xie, J. Li & Y. Zheng
P-S travel time detection of low SNR induced seismicity based on time-domain particle motion, J. Sun, Y. Mukuhira, T. Nagata, T. Nonomura, H. Moriya & T. Ito
P-Wave transmission and diffraction through non-persistent rock joints, Y. Du, T. Liu, T. Wu & X. Liu
Precursory information for rock failure based on the principle of critical slowing down, Z. Zhang, K. Ma, Z. Liao & Y. Chen
Quantifying dynamic uncertainty of rock masses based on a BPM-DFN model: Significance of discontinuity intensity, C. Zhou, H. Xie, J. Zhu & J. Qiu
Rockburst prediction in phyllite tunnels with high stress based on twin T2 strength criteria, J. Wang, K. Hu, L. Li, L. Guo, H. Sun & H. Kou
Stability analysis of surrounding rock mass in underground caverns considering damage effect of microfractures, Y. Sun, H. Mao, L. Dong, B. Li & N. Xu
Strength weakening mechanism of water-bearing sandstone and its rockburst proneness evaluation based on Realistic Energy Release Rate (RERR), H. Li, M. He, Y. Qiao & T. Cheng
The mechanism of electric pulse breaking hot dry rock under confining pressures, W. Liu, H. Hu, X. Zhu, Y. Luo & M. Chen
The nonuniformity of inertia effect on crack propagation in rock-like materials, C. Qi, F. Zhao, C. Xia & X. Li

Experimental testing and techniques

A large-scale dynamic tilting test device for frictional characterization of rock discontinuities and model rock slopes, H. Kumsar, S.B. Çelik & Ö. Aydan
A new method to test dynamic shear properties of discontinuities using a biaxial Hopkinson pressure bar, W. Yuan & J. Li
Damage evolution and failure precursors of granite under a progressive load based on pressure stimulated current, D. Li, E. Wang, D. Wang & Y. Ju
Determination of mixed mode I/II fracture toughness of granite subjected to coupled static-dynamic loads, Y. Li, F. Dai & Y. Liu
Development of a multi-axial and multi-directional synchronous coordinated control loading Hopkinson bar system, H. Xie, J. Zhu, T. Zhou, Y. Li & J. Zhao
Dynamic breakage of quartz glass sphere subjected to impact loading, C. Miao, S. Xu & P. Wang
Dynamic photoelastic experimental research on the effect of prefabricated cracks with different inclination angles on the variation of the stress filed, S. Wang & J. Li
Effect of pore water pressure on the shear mechanical properties of sandstone under unloading condition, E. Zhao, G. Xiang, H. Zhang & L. Wang
Effect of the loading frequency on mechanical behaviour of sandstones under cyclic loading, W. Sukplum, N. Chitcharoentham & L. Wannakao
Evaluation on dynamic Brazilian splitting tests in rock materials under three loading modes by digital image correlation, J. Ma, D. Li & B. Li
Experimental investigation on infrared radiation features of structural impact-induced rockburst, T. Cheng, M. He, H. Li & Y. Qiao
Experimental investigation on the dynamic mechanical and failure behaviours of hydrostatic confined rocks containing three parallel flaws, W. You, F. Dai & Y. Liu
Experimental methods for determining dynamic mode II fracture toughness of deep rocks under complex stress states, W. Yao, J. Wang, Y. Xu, B. Wu & K. Xia
Experimental study of force responses in scratch test on rocks, X. He & C. Xu
Experimental study on dynamic tensile mechanics of high temperature sandstone with two cooling methods, Q. Ping, Q. Diao, Y. Wu & D. Qi
Experimental study on infrared radiation characteristics of slab cracking samples during failure, P. Liang, X. Yao, L. Sun, B. Tian & X. Huang
Experimental study on mechanical acoustic emission characteristics of prefabricated fractured coal rock under graded static-dynamic combined loading, K. Zhang, M. Wang, J. Ren, S. Zhang & X. Wang
Experimental study on physical and dynamic splitting properties of temperature-water coupled sandstone, Q. Ping, D. Qi, Q. Gao & Q. Diao
Experimental study on tensile behavior of rock-concrete under static and dynamic direct tension, W. Bao & J.-B. Zhu
Experimental study on the dynamic mechanical properties of steel fiber reinforced concrete after high temperature cooling, Z. Wang, H. Wang & L. Li
Feasibility study of PZT sensors in AE monitoring of rock dynamic tests, H. Wang, J. Li & Q. Zhang
How geo-stress and disturbance energy affect the occurrence of rockburst? X. Cai, C. Cheng, Z. Zhou, H. Yuan, P. Wang & A. Zheng
Impact responses of frozen sandstone subjected to low temperature at high strain rates, S. Liu, J.-Y. Xu, H.-Y. Wang, P. Wang & X.-Y. Fang
Investigation of the influence of strain rate and water saturation on the shear behavior of sandstone under direct shearing, X. Yin & T. Zhou
New approach for determining dynamic shear strength of jointed rock specimen using long-bar drop impact apparatus, H. Kim, G. Min, G. Kim, C. Shin, P. Jeon, J. Yang, K. Yun & S. Cho
Physical modelling of the half-tunnel under dynamic loading and some theoretical consideration for its stability assessment, M. Amini & Ö. Aydan
Research on mechanical characteristics and infrared radiation response law of loading failure process of type I pre-cracked coal sample under different loading rates, H. Tian, Z. Li & Y. Niu
Response and pile capacities in Ryukyu limestone, J. Oshiro, S. Kodate, Ö. Aydan, T. Ito & N. Tokashiki
Rock mechanics experiment and analysis of deep tight sandstone under alternating load pressure, G. Yin, H. Zhang, H. Wang, J. Liang, T. Mo & J. Liu
Rock tensile strength weakening effect induced by high static preload granite subjected to low frequency dynamic disturbance during Brazilian tests, W. Wu, F. Gong & L. He
Sandstone failure prediction under uniaxial compression via supervised deep learning on acoustic emission, Y. Zhao, S. Wang, J. Guo & B. Liu
Slide-hold-slide tests of infilled granite fractures affected by normal stress oscillations during the relaxation stage, K. Tao, D. Li, Y. Zhou, F. Wang, W. Li , X. Cao & W. Dang
Slip behavior of saw-cut shale fractures under fluid injection and periodical confining pressure, C. Wang, D. Li, Y. Zhou, F. Wang, W. Li, X. Cao, W. Dang, X. Chen & K. Tao
Slip transition of rock fractures under changing environments, W. Wu
Study on the dynamic tensile behaviour of conglomerate based on Brazilian disc test, J. Wei, H. Liao, H. Wang, H. Liang, N. Li, B. Zhou & Q. Zhang
Study on the propagation law of stress wave in coal body by joint matching coefficient under combined dynamic and static loading, J. Wang, Z. Yin, Z. Zhang & H. Wu
Study on the reflection of oblique incident stress wave on rock joints, D. Wang, X. Li & Y. Zheng
The dynamic response and stability of rock slopes against flexural toppling, M. Amini & Ö. Aydan
The tensile strength of rock samples from bending tests under impact loads, S. Kodate, N. Iwata & Ö. Aydan
Author index

Biography

Jianchun Li is a Changjiang Scholar Distinguished Professor of geomechanics at the School of Civil Engineering at Southeast University. She worked in the School of Civil and Environmental Engineering at Nanyang Technological University of Singapore and in the Laboratoire de mécanique des roches (LMR) at Ecole Polytechnique Fédérale de Lausanne (EPFL) of Switzerland between 2006 and 2010, and was a research professor at the Institute of Rock and Soil Mechanics of the Chinese Academy of Sciences between 2011 and 2018. Her research interests are rock mechanics and dynamics, shock and impact mechanics, protective engineering, and underground technology. She is an Editor-in-Chief of Geomechanics and Geophysics for Geo-Energy and Geo-Resource, and an Associate Editor of Rock Mechanics and Rock Engineering.

Xiao-zhao Li is a professor of geotechnical and underground engineering, and the current director of the State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining and Technology. He was a professor of geological engineering at Nanjing University, the Director of Institute for Underground Space and Geo-environment at Nanjing University (NJU-IUSG), director of Nanjing Innovation Centre for Shallow Geothermal Development Industry (ICSGI). His research focuses on utilization of underground space, rock fracture and fluid flow in rock mass, aadioactive waste disposal, shallow geothermal development. He is an author of more than 200 publications, and over 50 patents.

Minghe Ju is currently an associate professor in the State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining and Technology. He received his PhD degree from Monash University Australia in 2020. His research interests are on the interaction between propagating cracks and multiscale geological weak structures in static and dynamic loading conditions. He has published more than 30 SCI journal papers.

Fengqiang Gong is a professor of geomechanics and underground engineering at the School of Civil Engineering, Southeast University. He obtained PhD degree from Central South University (CSU) and Ecole Polytechnique Fédérale de Lausanne (EPFL), and worked in CSU between 2012 and 2019. His current research interests include failure mechanism of rockburst and spalling, rock dynamics in mining and tunnelling. He is an editorial board member of Chinese Journal of Rock Mechanics, Journal of Engineering Geology and Journal of Mining and Strata Control Engineering.

Yingxin Zhou is a Senior Consultant at Deeptek Pty Ltd and has more than 30 years of experience in research, engineering, and teaching in rock engineering, rock dynamics, and underground space technology. He was Head Engineering (Underground Facilities) with the Defence Science & Technology Agency from 2013 to 2021 and adjunct associate professor at Nanyang Technological University from 2011 to 2018. He played leading roles in several pioneering rock engineering and research projects and served as technical advisor to many government ministries in Singapore. He is a Fellow of the Academy of Engineering Singapore, Fellow of the International Society for Rock Mechanics and Engineering (ISRM) and has been a Board Member of the Associated research Centers for the Urban Underground Space (ACUUS) since 2013, and was a Vice President of ACUUS and Vice President (Asia) of ISRM and founding Chairman of the ISRM Commission on Rock Dynamics. He received the Defence Technology Prize 2018 Individual (Engineering) Award in Singapore.