Hi, I'm trying to model a blast load on a 1.2x0.7 m section and 6.8m height well reinforced column in ls-dyna. I used a blast load of 300kg TNT at 30 m but the response of the column was very low. Since 300kg is a considerable amount of TNT weight (possibly more than a car bomb) is this response realistic. I was expecting some severe column deflection. Can someone please comment
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