lets not forget in the steel tested temperatures required or failure were not evident
wut?
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lets not forget in the steel tested temperatures required or failure were not evident
zero,,,evidence of the temperatures required for failure were found in any of the debris tested
In the two buildings, there were 329 core columns (each three stories tall) traversing floors involved in fires. NIST has portions of four of these columns, and on average about half of each column was recovered. While these pieces allow some comparison of metal and paint condition with the predications of the fire model, the recovered steel represents less than one percent of all the core columns intersecting floors with fire. Thus, the forensic analysis indicating moderate temperature excursions in the recovered core columns does not, and cannot, give a picture of temperatures seen by the vast majority of the core columns.
Images of WTC 1 showed gross deformations of an exterior wall prior to final collapse. Images of the south face of the tower taken approximately 5 min prior to collapse showed inward bowing of the exterior columns, reaching an observable maximum of 55 in. near column 316 on the 96th floor. The inward deflection appears to extend over the entire south face of the building at this time and is visible vertically between the 94th and 100th floors. Photographs taken approximately 30 min prior to this time do not
show any inward bowing of the south face of WTC 1.
Images of WTC 2 revealed some details of how the building deformed during the time between aircraft impact and collapse and revealed how the portion of the building above the impact zone moved relative to the bottom of the building during initial stages of collapse. Approximately 18 min after the impact of the aircraft, the east face of WTC 2 exhibited inward bowing of up to 10 in. in the region of the 79th to 83rd floors. This inward bowing increased to 20 in. at a time 5 min before collapse of the tower.
zero,,,evidence of the temperatures required for failure were found in any of the debris tested
lol... dimwit thinks he is the riddler...and that he is actually saying something ...what a dork