I am working with an existing condition- Concrete encased steel beams. I see code-prescribed values with W/D ratios and other UL listings for COLUMNS, but not beams. Can someone point me in the right direction for finding out what minimum thickness of concrete is required to achieve a certain fire resistance for Concrete-Encased Steel Beams?
Concrete Encased Steel Beams
I am working with an existing condition- Concrete encased steel beams. I see code-prescribed values with W/D ratios and other UL listings for COLUMNS, but not beams. Can someone point me in the right direction for finding out what minimum thickness of concrete is required to achieve a certain fire resistance for Concrete-Encased Steel Beams?
https://www.aisc.org/globalassets/modern-steel/archives/2002/12/2002v12_fire.pdf
Not sure about steel beams, but it looks like union bosses need at least 6 inches of coverage, minimum.
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