Analysis of impact-induced rock fragmentation using a discrete element approach

State Key Program of National Natural Science Foundation (China); National Natural Science Foundation of China; opening fund of Key Laboratory of Geotechnical and Underground Engineering (Tongji University), Ministry of Education

[1]  H. A. Carmona,et al.  Fragmentation processes in impact of spheres. , 2007, Physical review. E, Statistical, nonlinear, and soft matter physics.

[2]  Colin Thornton,et al.  Numerical simulations of impact breakage of a spherical crystalline agglomerate , 2000 .

[3]  Guy T. Houlsby,et al.  3D DEM investigation of granular column collapse : evaluation of debris motion and its destructive power , 2015 .

[4]  Richard G. Derwent,et al.  Radiative forcing in the 21st century due to ozone changes in the troposphere and the lower stratosphere , 2003 .

[5]  M. Hounslow,et al.  Modelling fragment size distribution using two-parameter Weibull equation , 2004 .

[6]  Colin Thornton,et al.  Numerical simulation of the impact fracture and fragmentation of agglomerates , 1996 .

[7]  Peter Mora,et al.  A Parallel Implementation of the Lattice Solid Model for the Simulation of Rock Mechanics and Earthquake Dynamics , 2004 .

[8]  Giovanni B. Crosta,et al.  Key Issues in Rock Fall Modeling, Hazard and Risk Assessment for Rockfall Protection , 2015 .

[9]  K. Xia,et al.  A dynamic ball compression test for understanding rock crushing. , 2014, The Review of scientific instruments.

[10]  D. Grady,et al.  Mechanisms of dynamic fragmentation: Factors governing fragment size , 1985 .

[11]  Qiang Xu,et al.  Experimental study of the fragmentation characteristics of brittle rocks by the effect of a freefall round hammer , 2015, International Journal of Fracture.

[12]  Robert W. Zimmerman,et al.  Fracture and impulse based finite-discrete element modeling of fragmentation , 2013 .

[13]  M F M De Bock,et al.  Instrumentation for a multichord motional Stark effect diagnostic in KSTAR. , 2014, The Review of scientific instruments.

[14]  Colin Thornton,et al.  Impact breakage of spherical, cuboidal and cylindrical agglomerates , 2010 .

[15]  Alessandro Vespignani,et al.  Comment on "self-organized criticality and absorbing states: lessons from the Ising model". , 2008, Physical review. E, Statistical, nonlinear, and soft matter physics.

[16]  Agnès Helmstetter,et al.  Statistical analysis of rockfall volume distributions: Implications for rockfall dynamics , 2003 .

[17]  J. J. Wu,et al.  Coefficient of restitution and rotational motions of rockfall impacts , 2002 .

[18]  T. Zhao,et al.  Investigation of rock fragmentation during rockfalls and rock avalanches via 3‐D discrete element analyses , 2017 .

[19]  D. Bozzolo,et al.  Simulation of rock falls down a valley side , 1986 .

[20]  A. Azzoni,et al.  Experimentally gained parameters, decisive for rock fall analysis , 1995 .

[21]  Mojtaba Ghadiri,et al.  Effect of the impact angle on the breakage of agglomerates: a numerical study using DEM , 2003 .

[22]  P. Rosin The Laws Governing the Fineness of Powdered Coal , 1933 .

[23]  E. H. Linfoot,et al.  A Theory of Fragmentation , 2006 .

[24]  Robert W. Zimmerman,et al.  A direct fragmentation method with Weibull function distribution of sizes based on finite- and discrete element simulations , 2016 .

[25]  W. Weibull A Statistical Distribution Function of Wide Applicability , 1951 .

[26]  D. Cruden,et al.  Assessment of the hazard from rock fall on a highway , 1997 .

[27]  B. Epstein The mathematical description of certain breakage mechanisms leading to the logarithmico-normal distribution , 1947 .

[28]  Mojtaba Ghadiri,et al.  Analysis of impact damage of agglomerates: effect of impact angle , 2004 .

[29]  Fulvio Tonon,et al.  Discrete Element Modeling of Rock Fragmentation upon Impact in Rock Fall Analysis , 2011 .

[30]  C. Thornton Granular Dynamics, Contact Mechanics and Particle System Simulations: A DEM Study , 2015 .

[31]  John G. Spray,et al.  Dynamic fragmentation of granite for impact energies of 6–28 J , 2012 .

[32]  P. Mora,et al.  The ESyS_Particle: A New 3-D Discrete Element Model with Single Particle Rotation , 2009 .

[33]  C. F. Lee,et al.  Rockfall Hazard Analysis for Hong Kong Based on Rockfall Inventory , 2003 .

[34]  G. Crosta,et al.  Fragmentation and boosting of rock falls and rock avalanches , 2015 .

[35]  Colin Thornton,et al.  Numerical simulations of agglomerate impact breakage , 1999 .