Simulation of an extraordinary building collapse in Chennai, Moulivakkam, India

On 28th of June 2014 around 4:40 PM IST one of two under construction buildings collapsed at  a suburb of Chennai, in the Indian state of Tamil Nadu. The collapse happened during heavy rain and a thunderstorm with lightning. The building site was still busy. Workers and casual uninvolved searched shelter from the rain and frequent lightning. This is the reason  the accident claimed many victims, altogether 61 casualties. Many of the survivors delivered eye witness reports. According to those reports the building collapsed directly after a lightning stroke. This might be the first documented case where a lighting caused the complete collapse of a building.

The debris pattern is most unusual, since the building was split into two halves and each half shifted to the respective side. The simulation, made by Virtual Validation Corporation Kostack & Walter, reproduces this extraordinary dynamics very well. The software was developed at Laurea University of Applied Sciences.

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