MODELING OF BLAST EFFECTS ON UNDERGROUND STRUCTURE

Modeling of the impact of a point explosion shock wave on a soil mass and an underground structure at different locations of the explosion epicenter from the ground surface was performed. The study of the stress- strain state of soils was carried out usi ng a nonlinear dynamic method and a fully cou...

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Published in:International Journal for Computational Civil and Structural Engineering 2019-12, Vol.15 (4), p.111-122
Main Authors: Mkrtychev, Oleg, Savenkov, Anton
Format: Article
Language:English
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explosion loads, shock wave, compression wave, nonlinear dynamics, stress-strain state, underground structure, soil model
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Savenkov, Anton
description Modeling of the impact of a point explosion shock wave on a soil mass and an underground structure at different locations of the explosion epicenter from the ground surface was performed. The study of the stress- strain state of soils was carried out usi ng a nonlinear dynamic method and a fully coupled numerical model, in­cluding various models of materials. The result of numerical modeling showed the adequacy of the adopted nu­merical calculation methods. The findings showed that solving the problem in a nonlinear dynamic formulation allows obtaining the parameters of the shock wave at different depths from the explosion center, as well as ob­taining a complete picture of the interaction of the shock wave with the underground structure in surface and un­derground explosions.
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subjects explosion loads, shock wave, compression wave, nonlinear dynamics, stress-strain state, underground structure, soil model
title MODELING OF BLAST EFFECTS ON UNDERGROUND STRUCTURE
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