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Originally posted by GenRadek
reply to post by Valhall
You forget that the core columns were segments that were bolted together. In fact during the investigation, some core beams were bent, while many showed failures at the connections. The bolts holding each column to the other sheered or snapped apart in the collapse. This is what happened to the core.
Also, the floor trusses on each end showed sheering as well.
Originally posted by _BoneZ_
Originally posted by GenRadek
There was virtually zero evidence of any blast damage done anywhere on the pieces. It would have been very obvious to any ground zero workers.
You can't possibly say that without inspecting each of the thousands upon thousands of pieces of steel in all 3 buildings of the WTC. That stuff was scooped up so fast there was no way to inspect each piece. Furthermore, nobody was looking for blast damage and add on top of that, everything was covered in dust and other debris to further hide the blast damage that nobody was looking for. You're just making assumptions right now based on zero facts.
One thing is for certain, you can make up all the assumptions you like to continuously explain away the obvious, but so far, not a single person has conclusively countered my arguments.
[edit on 20-5-2009 by _BoneZ_]
Originally posted by GenRadek
reply to post by Valhall
You know thats funny, cause in the FEMA report which observed and also studied the debris afterward noted this very thing. Most of the core columns showed signs of sheering of the base plates where the bolts were or severe deformation.
www.fema.gov...
And you know, I am reading the NIST report right now, and they do mention that a few of the core columns recovered showed exactly what i said. The seats of the trusses were either sheered off or deformed. Nope, still dont see any blast marks or mentions of any blast marks. The ends did show bolt failures too. And guess what else? They also recovered the ends of floor trusses and guess what they showed? The bolts had failed! In many cases the bolt connection areas failed. The hole was there, but the bolt wasnt. Ergo, bolt failure. Its right there in the NIST report. Read it for yourself. Chapters 4 and 5.
wtc.nist.gov...
I will be expecting an apology from you for lying, and claiming I lied. Its not nice to lie.
Originally posted by GenRadek
reply to post by _BoneZ_
So where are the workers that toiled for months at Ground Zero, which were inside everyday working to clear out the debris mentioning they saw blasted steel beams? The hundreds of steel workers, fire fighters, search and rescue teams, debris cleaners, that were directly handling the debris every day? Where are their accounts of finding beams with obvious signs of blast damage? Or any one at Fresh Kills landfill that handled the largest pieces of the debris? Nobody noticed anything? Not even those that assisted from the demolition companies noticed any beams or evidence of blast damage? and while we are at it, why didnt anyone find a blasting cap or some shred of demolition device debris inside? They didnt find any of it among the debris they were searching for human remains?
Debris from the WTC 7 was removed without investigators having the chance to examine the wreckage at the scene to help determine the cause of failure. Modern Marvels: Engineering Disasters 13 "Jonathan Barnett, PhD: Normally when you have a structural failure, you carefully go through the debris field looking at each item -- photographing every beam as it collapsed and every column where it is in the ground and you pick them up very carefully and you look at each element. We were unable to do that in the case of tower 7. - History Channel / Modern Marvels [Video: 911podcasts.com]
Originally posted by GenRadek
reply to post by Valhall
Once again you have lied about what is in the NIST report.
I have posted the link to the report I speak of. I have even told you what chapters to look in to find what I said. I cannot copy and paste from the document to show you, but if you bother even looking into it there is a whole section on how they found the ends of the floor trusses, the cores, and the connections. They are all there.
And I dont know how when they say, there were observed failures at boths sides of the floor truss and shearing of the seat on both sides, or the bolts, how that = only the exterior columns showed signs of shearing or bolt failure.
I dont know how you keep missing this. Either you have not read it and are just making general statements taken from other "truth" sites, or you dont understand what you are reading.
[edit on 5/21/2009 by GenRadek]
Originally posted by GenRadek
reply to post by Valhall
Once again you have lied about what is in the NIST report.
I have posted the link to the report I speak of. I have even told you what chapters to look in to find what I said. I cannot copy and paste from the document to show you, but if you bother even looking into it there is a whole section on how they found the ends of the floor trusses, the cores, and the connections. They are all there.
And I dont know how when they say, there were observed failures at boths sides of the floor truss and shearing of the seat on both sides, or the bolts, how that = only the exterior columns showed signs of shearing or bolt failure.
I dont know how you keep missing this. Either you have not read it and are just making general statements taken from other "truth" sites, or you dont understand what you are reading.
[edit on 5/21/2009 by GenRadek]
In both towers, most of the perimeter panel floor truss connectors (perimeter truss seats) below the impact floors were either missing or bent downward.
...Of the 31 core floor truss connectors (core seats) recovered, about 90 percent were still intact, although many were extensively damaged. Only two were completely torn from the channel.
...Failure of the connection between the floor truss and the perimeter panel floor truss connectors was typically a result of tab plate weld and bolt failure.
Of the 28 [exterior] floor truss connectors at or below the impact floors for WTC 1, 93 percent were either missing or bent downwards...Comparable results were found for WTC 2 where 88 percent of the [exterior] truss connectors below the impact floors were bent down or missing...
Of the 24 channels...twenty-one pieces of channel had seats or remnants of seats attached. Over 90 percent of the seats (31 total) were still intact with the majority of these somewhat deformed. Only two seats had been ripped completely from the channel at the welded joint between the seat and the channel...Half of the retained seats were observed to have both bolt holes still intact, while the other half had at least one bolt hole ripped out.
Originally posted by GenRadek
reply to post by Valhall
wtc.nist.gov...
You didnt go down to page 199 in the document and after which gave a break down of the connection failures
[edit on 5/22/2009 by GenRadek]
From the 21 channels with seats, a total of 31 seats were available for inspection...Over 90 percent of the seats were still intact with the majority of these somewhat deformed. Only two seats were observed to be ripped completely from the channel at the welded joint between the seat and the channel...Half of the retained seats were observed to have both bolt holes still intact, while the other half had a minimum of one bolt hole ripped out.
The majority of upper chord connectors (fig 5-2a) were found to have bolt failures, i.e., the bolt holes on the on the connectors were still intact.
Originally posted by GenRadek
reply to post by Valhall
head down to page 211 on the trusses and top chords of the floor trusses:
The majority of upper chord connectors (fig 5-2a) were found to have bolt failures, i.e., the bolt holes on the on the connectors were still intact.
So why is it hard to understand that during the collapse, the bolts were failing as a result of the collapses? That during the collapse, the exterior columns collapsed along with the floor trusses failing at the end, with seats being removed completely, while over all at both ends there is plenty of evidence of bolt failures. The core didnt have to collapse first to do that, as the floor collapsing itself would have been enough to severe the bolts at the core.