structural engineering

I am seeking help from someone with a good grasp on beam theory (Euler–Bernoulli, whatever), such as a structural engineer, to work out the stiffness of a beam in a particular situation: Where I am so far: A steel-frame building has long-span girders between two columns (c44, left and c79...

Hi folks, my girl friend and I recently bought a hammock for my rooftop terrace. It didn't come with extra rope, so my girl friend went to a home improvement store later that day and bought some. I told her not to be too thrifty and buy something strong, as the forces pulling at the ropes of a...

Conspiracy theorists claim that the 2.5 seconds of "virtually free fall speed" is the definitive proof that explosives caused the collapse of WTC7. According to them, it would only be possible if eight floors of the building suddenly disappeared. I totally disagree. To me it's consistent with...

A new paper by Graeme MacQueen and Tony Szamboti contest NIST's and Bazant's collapse hypothesis, finding that there was no deceleration of the rigid 12 story block when it impacted the rest of the North Tower. http://journalof911studies.com/volume/2008/TheMissingJolt4.pdf

On another, UK website I have someone claiming to be a structural enigneer, spouting woowoo stuff. I don't want to call him a liar, but well, er, no I cannot find a way to finish that sentence. He's lying. Can any boffins give me any good ways to catch him out?