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614

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[–] • 3 pts

Pancake collapse? At free fall speed?

Bullshit

[–] • 0 pt

As you claim structural engineers don't know the whys, please explain why fire retardant is applied to steel beams? What purpose does it serve? Why is it tested against specific temp ranges and durations and considered failed after exceeding those values?

[–] [deleted] • 2 pts

They forgot to add the gigantic concrete center structure to their gay diagram.

[–] • 1 pt

It was also known in the 80s that fireproofing material was sprayed improperly in parts of the building.

[–] • 1 pt

This is correct. They were nearing total reapplication of fire retardant materials. Which is extremely expensive.

Most people don't realize that steel buildings require this in order to resist collapse from fire or that it is only rated for specific durations and temperatures. Worse, those buildings never met their legal minimum requirements required for occupancy.

[–] • 2 pts

How many steel shelled buildings, with no fire retardant, have collapse from a fire in the last 200 years, worlduwide?

The added retardant is NOT to resist collapse. The idea that this building collapsed from weight shifts and fire is fucking stupid.

[–] • 0 pt

That is non-sequitur logic combined with bullshit.

My statement is accurate. The issue is, heating causes uneven expansion. Expansion tears welded joints. Failed joints destroyed weight distribution required for stability and integrity. Forcing weight onto other joints. Making each failed joint and beam more significant than the previous.

Additionally, as steel heats its ability to carry weight is significantly reduced on a curve. The ability to redistribute load around failure is specific to each design and intended loaded of the type of steel used in construction.

It's not like I'm saying fuckery isn't afoot. But you destroy your own argument when you have to be deceptive to make it.

[–] • 1 pt (edited )

They didn't "collapse". There wasn't two piles of 110 floors, with steel and concrete, and office furnishings.

Both towers turned to dust as they were falling.

The towers and all of their contents were "evaporated" and "vaporized". And on 9/12 and 9/13,