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originally posted by: neutronflux
a reply to: Jesushere
So? How does any of that make it impossible for structural steel to lose strength when heated? Misshape when expanding, when contracting, or under different temperatures and stress?
If all you need is more steel, why bother with insulation? By code.
Fire collapse related collapse is very likely with no evidence of planted charges?
Again,
What is it like to post video and have it show zero proof of planted charges?
originally posted by: waypastvne
originally posted by: Jesushere
This camera is about 100 ft closer to WTC7 than your camera. Would you mind pointing out the loud boom in this video. I'm having trouble finding it.
originally posted by: neutronflux
a reply to: Jesushere
Sad the only thing you can do is change the subject.
And please quote the NIST published reports where the collapse from WTC 1, 2 or 7 was caused by melted steel.
The collapse was initiated by a number of issues placing strain on columns and floor connections resulting in buckling of columns and breaking of floor connections.
Again,
What is it like to post video of WTC 7’s collapse and have it hold absolutely zero proof of planted charges.
originally posted by: neutronflux
a reply to: Jesushere
How hot did you say rubble pile was? Enough to accelerate corrosions while the steel sat their for there months. But testing and thermal imaging you invoked shows no evidence of temperatures at which thermite burns at?
And would you specifically state what corrosion can only occur at 1000c? Again, chemicals cause corrosion. Heat only can accelerate corrosion.
Again false the steel was the first thing they removed that was done in the first month. A few scraps of steel here and there were probably still scattered around the sites.
There nothing in that WTC7 rubble that will burn at 1000c you have to be joking
originally posted by: Salander
a reply to: Jesushere
Whatever happened at WTC, the damage observed was NOT caused by office fires, jetfuel and gravity. Of that there is no doubt.
Page 43, neutronflux : There is no proof columns were cut to initiate collapse. All evidence attested to buckling of columns to initiate collapse. Not by heat. By being drawn out of geometry by contacting floor tresses.
edit on 6-9-2018 by neutronflux because: Added and fixed
edit on 6-9-2018 by neutronflux because: Fixed more
Neutronflux :
1. Quote where I said WTC 2 steel buckled because of heat. The outer columns buckled by inward bowing caused by contracting floor trusses that pulled on the outer vertical columns, drawing them inward.
-snip-
2. And there is no evidence steel columns melted.
Or there was missing steel outer columns or core columns missing because they melted away.
NIST noted in NCSTAR 1-3 that the core columns recovered from floors where fires were known to have occurred represent 1 percent of the columns in those areas. NIST did not find any evidence that any of the recovered columns experienced temperatures in excess of 250 degrees Celsius.
James G. Quintiere, professor, Dept of Fire Protection Engineering, University of Maryland:
Spoliation of a fire scene is a basis for destroying a legal case in an investigation. Most of the steel was discarded, although the key elements of the core steel were demographically labeled. A careful reading of the NIST report shows that they have no evidence that the temperatures they predict as necessary for failure are corroborated by findings of the little steel debris they have. Why hasn't NIST declared that this spoliation of the steel was a gross error?
Prof. Bažant et al., WTC Discussions Replies, page 8/11 (Journal page 921) : It was hypothesized that the lateral bowing of perimeter columns was caused mainly by a horizontal pull from steel trusses sagging because of differential thermal expansion.
However, this hypothesis is not credible. As simple calculations show, the temperature difference between the lower and upper flanges of a floor truss would have to exceed 1,000°C to produce a curvature that would shorten the span of a sagging floor truss by 52 in. (1.40 m.) Such a temperature difference is inconceivable. The differential thermal expansion must have been only a secondary triggering factor, which created a small initial imperfection in the overloaded columns, to be subsequently drastically magnified by creep buckling.
Whenever one of these OS Truster wolf-pack members pop-up again with all these repetitive remarks that "no explosions at the WTC complex were heard", post a link to this lengthy post of mine with all the evidence of EXPLOSIONS on 9/11, to stop their annoying -knowingly- LYING.