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SomewhereOverChina said:while I am not a structural engineer, I was not impressed. The author obviously did little or no homework. He did not even have the truss numbers labeled properly, something that has been correct from the first post in this forum, and his "final configuration" analysis shows tension on some of the trusses like they are being supported by real cable stays. Yet if I understand everything I have read correctly, including the original proposal, those stays are almost decorative and may in fact proved more support for the tower as guy wires than as anything to hold up what is a truss bridge (apologies for the true structures guys that make the point that a true truss bridge is always hinge pinned).
Emba said:o Dik - just for interest value, on the rescue photo you can see the shirt on the lead person says "FLTF1", that's the "Florida Urban Search and Rescue Task Force 1". Same pic in wider format shows a headlamp on the helmet ( Rear rescuer with dog looks like she has a Sierra cup hanging from her belt. -- Emba
apster said:Don't really know except the failure was not elastic.
gwideman said:I don't think anyone has posted this yet:
dik said:There have been a couple, as I recall; Eng-tips is generally on top of it
Steve Nuchia said:@gwideman, Sheet B-8 of the proposal package (linked from thread 1) shows some kind of bolt there but it looks like it's for position-keeping rather than tension.