A Systematic Approach for Analysis of Structure under Blast Load – An Overview

An explosion is an unwanted phenomenon that may be caused accidentally or intentionally. It may be occurred within or near the structure that causes massive damage to the same. An explosion becomes disastrous when the structural elements collapse partially or totally. Many works have been made to grow the techniques/methods of blast resistance structures. A detailed understanding is required for blast load and its effect on the several structural members in terms of dynamic responses to analyze and design a safe engineering structure. Further, in this article, a comprehensive overview of a systematic approach for the analysis of structure under blast load has been presented. For the computation of blast load, different types of empirical relations are available, which are in the pattern of pressure-time functions. Here, the same is represented concisely with an easier way of understanding. Prediction of blast load by the empirical, semi-empirical, and numerical method has been presented. Modelling of blast load for various numerical simulation techniques and material models are also described here for modelling the advanced structural material that may mitigate the blast response of the structure as per the Hydrocodes.