Original paper

Numerical simulation of blasting-induced fracture expansion in coal masses

Volume: 100, Pages: 28 - 39
Published: Dec 1, 2017
Abstract
Bedding planes are common in coal seams, and have a significant influence on the crack expansion of coal masses. In this paper, the fracture patterns of coal masses during the blasting process are explored. Firstly, the damage zone at the tip of beddings is calculated based on the Kachanov equation, and crack connections among bedding planes are also discussed. Secondly, a constitutive model considering dynamic compressive and tensile failure is...
Paper Details
Title
Numerical simulation of blasting-induced fracture expansion in coal masses
Published Date
Dec 1, 2017
Volume
100
Pages
28 - 39
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