Evaluation of coal longwall caving characteristics using an innovative UDEC Trigon approach
Abstract
The paper presents an innovative numerical approach to simulate progressive caving of strata above a longwall coal mining panel. A proposed Trigon logic is incorporated within UDEC to successfully capture the progressive caving of strata which is characterized by fracture generation and subsequent propagation. A new damage index, D, is proposed that can quantify regions of both compressive shear and tensile failure within the modelled longwall....
Paper Details
Title
Evaluation of coal longwall caving characteristics using an innovative UDEC Trigon approach
Published Date
Jan 1, 2014
Journal
Volume
55
Pages
448 - 460
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