I do a risk analysis of all projects I design. There can be accidents in buildings. It could be a blast, a terrorist attack, a small failure that can trigger a larger one and so on. Many believe accident happens to only others and risks themselves! Some believe such accident won’t happen. Now see this! A real un expected accident! That is how accidents are!!
I have been advocating the need of a robust scheme in all projects that I do. Often clients are reluctant to accept it.
People believe it is uneconomical to attend to accidental loads! Not the case if we have a robust scheme.
What is a robust scheme? Will seismically designed building be robust enough? Sometimes yes. Then what it is to be robust? Bridging of loads or alternate load path!
How do you achieve it?
Here is a short video on Disproportionate collapse basic principles.
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