Thread: 9/11 was an inside job

Basement and core columns.

1)Basement foundation area with railway line.




2) Core columns




3) Schematic of basement



The towers were built like long tubes, where all the support columns were built around the outside of the building and at the central core, a box within a box, joined by horizontal floor trusses.




Core column base cross section and dimensions.

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Core columns on ground floor level.

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Core with stairwells and elevator shaft plan at lobby level.

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But plates for next section on top of columns.

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