I was watching a documentary about the Oklahoma City bombing and it was detailing what how the Murrah building collapsed. I forget the channel, Discovery, National Geo or History.
The thing that caught my attention was that it said the pillars at the front of the building were exposed to 325kg/cm of force.
To me that seemed high so I did some calculations which I have detailed below.
In short I work out the bomb was equivalent to 0.24kilton, but Wiki says it was only 0.002kilton. 100 times smaller.
My calculations are obviously wrong, is someone could leave a reply below showing my mistake it would be appreciated.
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Here are my calculations
325kg of force per square cm
Assuming bomb was 3 metres (see video above) away from the pillars in question
surface area of sphere (Surface Area of a Sphere = 4 pi r 2) 3m in diameter = 1.13 million sq/cm
total force exerted at 3m = 1.13million x 325 = 367 million kgs total
assuming this force came from a sinlgular point, converting to pounds/sq/ft
x2048 = over 752 billion pounds/sq/ft
= 0.24 kiloton
but Wiki says the bomb was only 0.002kt, where did my calculations go wrong?
As a comparison, the blast yield ….. of the Oklahoma City bombing, using a truck-based fertilizer bomb, was 0.002 kt.
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