Twelve Questions You Might Ask A Structural Engineer

[1]        How many floors were in each tower of the World Trade Center complex?

[2]        How many vertical steel beams surrounded the framework of each tower?

[3]        How many vertical steel beams formed each tower’s center?

[4]        How many steel beams were required to support each concrete floor?

[5]        How many feet in length was each steel beam before construction?

[6]        Where are all these steel beams now?

[7]        What is rebar?

[8]        How many rods of rebar were used to reinforce each steel beam?

[9]        How many rods of rebar were used to support each concrete floor?

[10]      Where is all the rebar now?

[11]      What is a ribbon charge?

[12]      Why do all surviving vertical steel beams in every wreckage photo of the

WTC Towers display PERFECT 90 DEGREE ENDS?