Impact testing Facility: BHISM for Performance based Design of Reinforced Concrete (RC) Structures

摘要

This research deals with the design and development of Blast and Heavy Impact Simulation mechanism (BHISM) for generating high fidelity data for impact resistant design, testing and validation of reinforced concrete structures experimentally. A commercial finite element software LS-DYNA is used to solve the governing equations, Altair-Hypermesh for meshing and LS-Prepost for pre and post processing. The basic principle used to generate high pressure shock wave is same as the shock tube. The propulsion of shock wave will achieve due to rupture of the diaphragm by accumulation of pressure in high pressure zone (driver section) of BHISM. A missile is placed after diaphragm i.e. low pressure zone (driven section) of BHISM. The Missile is restrained in five degrees of freedom except in the forward surge direction of translation. When the pressure is transferred on to the missile, it will move with a velocity. Analysing the RC members subjected to impact loading due to missile is future target. This research will be useful to find out the necessary parameters required for better construction of RC structures due to impact loading and to modify the existing codes on impact resistant RC structures.