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Numerical analysis of effect of reinforcement properties of discontinuity on stability of basement spaces under dynamical loads

Author:
[ ALI MORTAZAVI ] - AMIR KABIR TEHRAN UNIVERSITY, MINE engineering university, tehran

Abstract:

Dynamical portraitist of concourse procedure is doing with making use of the accuracy methods and numerical methods. Accuracy method are working on physical condition on the problem but numerical methods are stability on the rules that are using on problems physical part that this give an approximate answer . Numerical methods use all degrees of freedom in structure and assessment the contact mechanical and destroying the zone after permanent parts. Discontinuous deformation analysis is a developed numerical methods that can show the discontinuity of the zone in numerical analysis. MORTAZAVI, 1999 method is used in this paper. Stability of a basement structure with the maximum dept of 52 meter under the load of contact the rocket with first speed of 250 meter in second is explained in this paper. Internal spaces of structure have a rock mass and 2 intersecting discontinuity and a rock blocked system. Effect of reinforcement of discontinuity on under the load of the contact the rocket with earth surface is described in this paper.

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