I’m staying outta this one, but….
When I worked in the steel business, I remember seeing a piece of cold rolled steel, 4”x6”x12’ fall from maybe 36” in the air onto a mat of solid rubber and snap in two when it hit. I’ve seen structural steel bend like a piece of modelling clay when it gets a simple knock. The real strength to a tall building isn’t the steel per say, it’s in the thousands of little rivets holding it all together, and I can melt a rivet into a mass of metal goo with a set of torches in no time at all. I can only imagine the affect thousands of gallons of jet fuel, burning well beyond the melting point of steel would have on these little tiny rivets.
Add that to the fact that while the building is designed to take the weight of the floors above it, it was not designed to take the momentum of the weight of the floors above it falling eight stories onto it. Remember mechanical design in HS when you had to build a bridge outta little piece of balsa wood? Then a weight was applied until the bridge was broken? Does anyone really seriously think that that bridge could sustain the same weight it if was dropped onto it from 4’??
OK the political science/history/education guy is back to watching this thread….carry on.
opcorn:
When I worked in the steel business, I remember seeing a piece of cold rolled steel, 4”x6”x12’ fall from maybe 36” in the air onto a mat of solid rubber and snap in two when it hit. I’ve seen structural steel bend like a piece of modelling clay when it gets a simple knock. The real strength to a tall building isn’t the steel per say, it’s in the thousands of little rivets holding it all together, and I can melt a rivet into a mass of metal goo with a set of torches in no time at all. I can only imagine the affect thousands of gallons of jet fuel, burning well beyond the melting point of steel would have on these little tiny rivets.
Add that to the fact that while the building is designed to take the weight of the floors above it, it was not designed to take the momentum of the weight of the floors above it falling eight stories onto it. Remember mechanical design in HS when you had to build a bridge outta little piece of balsa wood? Then a weight was applied until the bridge was broken? Does anyone really seriously think that that bridge could sustain the same weight it if was dropped onto it from 4’??
OK the political science/history/education guy is back to watching this thread….carry on.
opcorn: