A correlation between elastic properties of coal and seismic wave velocities vis-à-vis cleat density and its orientation

Abstract

Elastic modulus and Poisson's ratio are also very important parameters for numerical modelling of coal pillars for assessing the stability. Various attempts have been made to establish the correlation between physico- mechanical properties and seismic wave velocities. In the present paper, an attempt has been made to determine the young's modulus of coal by non-destructive seismic technique. A laboratory investigation has been carried out to correlate the static and dynamic elastic properties vis-à-vis cleat density. Two prediction models (along and cross the cleat direction) has been established based on laboratory work for determination of young's modulus. © 2010 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.