Rock fragmentation is the academic field concerned with the processes, mechanisms, and resulting particle size distributions associated with the reduction of rock masses into smaller pieces, fundamentally important for research and optimization in mining, civil engineering, and geomechanics.
Ontological type
Fragmentation Mechanisms
Operational Optimization
Measurement Techniques
Cataclastic Flow Transition
1992 - 2004
Integrated Fracture Dynamics
2005 - 2011
Multiscale Predictive Fragmentation
2012 - 2024
Cataclastic Flow Transition era
Wenlu Zhu [1] is a key figure associated with the State University of New York [2] and Stony Brook University [3] during the Cataclastic Flow Transition era (1992–2004). In 1997, the paper The transition from brittle faulting to cataclastic flow in porous sandstones: Mechanical deformation [4] articulated the brittle-to-cataclastic transition as the dominant control on rock fragmentation and permeability, providing a framework for predicting fragment size and flow behavior in porous rocks. This work then linked microstructural evolution to macroscopic deformation, clarifying how stress paths and porosity govern localization versus distributed cataclastic flow, and it helped translate microcrack evolution into actionable metrics. Wenlu Zhu [1] further established models that couple grain crushing, porosity evolution, and permeability loss under shear-enhanced compaction, reinforcing the era's mechanistic shift toward cataclastic fragmentation as a predictor of reservoir behavior, as outlined in the 1997 paper [4].
Integrated Fracture Dynamics era
R. P. Young[1] was active during the Integrated Fracture Dynamics era (2005–2011) and affiliated with University College London[2] and the University of Toronto[3]. Distinct element modeling of hydraulically fractured Lac du Bonnet granite[4] showcased how microscale fracture processes govern initiation and propagation, providing a pathway to connect micro-scale damage to macroscopic fragmentation patterns. That distinct element modeling approach[4] laid groundwork for integrating micro- and macro-scale fracture dynamics within the era's model–observation workflows. These contributions aligned with the era's emphasis on simulation-driven risk evaluation for hydraulic fracturing, tunneling, and engineered rock breaking.
Multiscale Predictive Fragmentation era
Jianfeng Wang [1] is associated with Beijing University of Chemical Technology [3] and University of Science and Technology of China [4] during the Multiscale Predictive Fragmentation era. His key contribution in this era is the investigation of single sand particle fracture using X-ray micro-tomography [7], the paper An investigation of single sand particle fracture using X-ray micro-tomography. M. R. Coop [2] has been affiliated with University College London [5] and Imperial College London [6] in this era. Coop's key contribution in this era is the investigation of single sand particle fracture using X-ray micro-tomography [7], illustrating microscale fracture insights that underpin predictive fragmentation frameworks for blasting and drilling.