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fire knocks down steel tower (4 posts)

  1. mark
    Member

    https://www.sfgate.com/california-wildfires/articl...

    High-voltage transmission tower in Redding buckles in intense heat of Carr Fire By Amy Graff, SFGATE Published 1:57 pm PDT, Friday, July 27, 2018

    "As the intense heat from a fire washes over a metal transmission tower, the metal structure can weaken as its physical properties change. It doesn't melt like a candle, but the metal is on its way to becoming molten, and it can no longer hold the weight of the power lines amid the onslaught of hurricane-force winds and a raging inferno at its foundation."

    Posted 6 years ago #
  2. BrianG
    Member

    Of course the transmission tower was designed only to hold up the relatively trivial load of an electrical transmission cable, and had no fireproofing whatsoever and was, unlike the WTC, subject to a true firestorm.

    NIST's report found that their samples of steel from the core columns of the WTC towers did not show heating above 480 degrees F (250 C).

    Posted 6 years ago #
  3. mark
    Member

    Steel does not have to melt to lose strength, as any blacksmith knows.

    The fireproofing of the WTC was dislodged by the plane impacts.

    It's fortunate the towers stayed standing long enough for most of the people below the impacts to escape.

    Floor wide fires over several floors with broken parts of the building open to the outside acted as a blowtorch.

    Meanwhile, how many in the 9/11 "half truth" movement know about the NRO war game exercise during the attacks?

    Posted 6 years ago #
  4. BrianG
    Member

    I knew about the NRO evacuation probably about 2007.

    I'm not clear on whether you believe the fireproofing was "shivered" off the steel from the impact. I'm not aware that the government made any effort to demonstrate fireproof shivering. They did shoot some fireproofed steel with a shotgun to demonstrate . . . something.

    Since the planes were banked, any destruction of fireproofing by aluminum shrapnel would have been in a narrow swath on any particular floor.

    And then there's the fact that the government tells us that the jet fuel burned off in less than ten minutes, and that office fires only burn in one place for 20 minutes (30 at most) before all the fuel is exhausted and they have to move on to a new source of fuel.

    So you can't have floor-wide fires. If you did, they would have burned out in 30 minutes. And both towers stood longer than that. The photographic evidence does not support the notion of floor-wide fires.

    Steel does not have to melt to lose strength, but the government's core steel samples only show heating to 250 degrees C (480 F). That's not hot enough to weaken the steel.

    I don't know where you get your intense hostility to the call for new investigations of the destruction of the towers. The petition now has 3020 signatories, credentialed by degree. That includes 4 Stanford PhD engineers, and 12 Stanford MS engineers. Do you think these guys put their professional reputations on the line because they are Alex Jones fans?

    Posted 6 years ago #

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