According to the National 9/11 Memorial and Museum, the pieces cut from the steel not only served as a physical reminder of a day that changed history, but also helped people impacted by the...

2018年1月28日 · This image is famous in 9/11 conspiracy culture: The column in the center of the photo (by Sam Hollenshead) has been cut at an angle, presumably during the cleanup process. Yet Architects and Engineers for 9/11 Truth (AE911) still insist it was cut before the building fell, and looks nothing like a normal cut, and hence is evidence of thermite.

2003年7月1日 · The exterior columns are thin-walled box beam made of high strength steel. The complex structure of the airplane is lumped into another box, but it has been found that the equivalent thickness of the box is an order of magnitude larger than the column thickness.

Last year, physicist Steven Jones, two other physicists, and a geologist analyzed the slag at the ends of the beams and in the samples of the previously molten metal.12 They found iron, aluminum, sulfur, manganese and fluorine – the chemical evidence of thermate, a high-tech incendiary cutting charge used by the military to cut through steel lik...

The steel beams in the debris pile and other remnants of the collapsed Twin Towers took on a special significance. During their down time, some recovery workers created symbols and shapes out of the fragments of steel, including crosses and Stars of David. These pieces were donated and are on display in the 9/11 Memorial Museum.

Interpreting the Last Column: In this series, 9/11 Memorial & Museum exhibitions staff share the stories behind the markings and tributes placed on the Last Column. The Last Column was the final piece of steel to be removed from the World Trade Center site marking the completion of the nine-month recovery period.

2018年6月4日 · The 9/11 World Trade Center Memorial in Kennewick, Washington, made from 35-foot battered remnants of dual beams of a vertical support column salvaged from the landmark New York Twin Towers on 9/11/2001

2011年8月26日 · Linda Tenhundfeld’s tireless efforts secured one of the largest pieces of steel given out by the Port Authority. The steel was originally 24 feet long and weighed 4 tons. It was cut in half to facilitate transport to Green Township.

2009年8月24日 · Before the Sept. 11 attacks, a steel box beam — 52½ inches by 22½ inches at its base — ran from bedrock to the roof of the South Tower of the World Trade Center. After the collapse of the...

On the evening of May 28, 2002, trade union members cut the Last Column from its footing in a private ceremony held by and for recovery and relief workers. Workers then laid the column, shrouded in black and draped with an American flag, onto a flatbed truck. Bagpipers played "Amazing Grace."