Shear Force In Structural Response To Blast-
Induced Ground Excitations
Author(s)
Y. Lu, H. Hao, G. Ma & Y. Zhou
Abstract
The ground motion induced by close-in underground explosions can be
characterised by very short duration (thus high principal frequency) and large
peak acceleration. The response of building structures subjected to this type of
ground motion is expected to differ significantly from typical seismic responses,
due to the contribution of high-frequency local mode vibration. Evaluation based
on a simplified analytical model indicates that one of the major effects of the
blast ground motion is the unusually high shear force in the beam-column
members of the structures, leading potentially to a brittle shear failure under
certain circumstances. This paper attempts to provide some insights into such
high shea
Keywords
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