Numerical modeling on brittle failure of coal wall in longwall face—a case study

Volume: 7, Issue: 12, Pages: 5067 - 5080
Published: Dec 1, 2014
Abstract
In China, as the shearer cutting height increases in longwall face, serious coal wall failure and spallings occur often, especially for brittle coal seam, which leads to large block spallings, equipment damage, and casualties. In this paper, 2D finite difference models are constructed, aiming to exam the brittle failure of coal wall during longwall mining in Majialiang coal mine, Shuozhou, China. The strain-softening constitutive model is used...
Paper Details
Title
Numerical modeling on brittle failure of coal wall in longwall face—a case study
Published Date
Dec 1, 2014
Volume
7
Issue
12
Pages
5067 - 5080
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