Numerical simulation of rock fragmentation induced by a single TBM disc cutter close to a side free surface

Volume: 91, Pages: 40 - 48
Published: Jan 1, 2017
Abstract
null null A series of numerical simulations were performed to investigate the influence of side free surface on the rock fragmentation induced by single TBM disc cutter. The JH-2 model combined with a Rankine tensile cracking softening model was adopted to define the rock constitutive model to simulate the rock dynamic fracture process. The distance that allows for cracks just to extend to side free surface under a given penetration is defined...
Paper Details
Title
Numerical simulation of rock fragmentation induced by a single TBM disc cutter close to a side free surface
Published Date
Jan 1, 2017
Volume
91
Pages
40 - 48
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