Sounds like a fatigue situation or cyclical loading. Therefore the idea would be to keep the nut on.
If it's pretensioned and normally in tension, then there should be little if any increase in axial stress. Mind you I'm speaking of high strength bolts (A325 & A490). Nylock nuts wouldn't apply...
In the US we normally call K factor U. The inverse of R.
Just as in cold climates insulation keeps heat in, in warm climates it also keep heat out. The two most widely used types of insulation are rigid and fiberglass batt. Each has it's own positive attributes and applications. Don't go with...
Mattman,
Please fax any and all info you might have on this system to me. (631)288.2480
On the original conctract documents it calls for 3.5" thick gypsteel planks. It is in the field as you say 30"+/- spans, the only difference is there's what looks like an inverted TEE beam of the...
Kenneth,
Thanks. It's not the same project. In my search for info, on this ancient material, I did find the same archive you reference at the SEAINT site about a month ago and contacted that source. He too had no luck in finding any info. He had an easy way to work around his dilemma.
Mine is...
I'm renovating a 1937 building (WPA era). Some of the floor "slabs" are of a material called GYPSTEEL. They are 3.5" deep precast hollow core gypsum planks spanning between steel beams/girders 8.0'+/-. Has anyone ever come across or have any performance data, properties, etc. for...
