At first I was thinking it was concrete fireproofing. I guess what is really throwing me off is the width and thickness of the steel. At only 4" wide I did not find a shape that would be adequate to span 30' (beam span is 30', girder span is 21') I also checked old Bethlehem Steel manuals.
We...
I am analyzing a structure that at first appeared to be concrete beams,girders, & columns. As we proceeded we discovered that there are steel beams encased in the concrete. The exposed steel on the bottom of the beam is 4" wide approx. 1/4" thick. The exposed steel in the girders is 4" wide...
Working on a timber framed structure and the architect is requesting 14" i-joists in certain areas and 9.5" i-joists in other areas. At some of the interior bearing walls both the 14"& 9.5" joists are to bear on the same wall. Looking for thoughts/input on the most practical way to frame/detail...
We received a set of construction documents for a bridge that we are detailing, there is a designation "1/4" neoprene bearing pad (M9.16.2)" referring to a pad below the base plate of the guide rail post. Does anyone know what the M9.16.2 designation means?
i have recommended Calcium Magnesium Acetate (CMA) for use on 5ksi concrete less then 1 year old in the northeast and have had good results. no corrosion or spalling.
Are the anchors in tension? i have a similar situation, but the contractor would prefer to post install the anchors. i recently heard some discussions about the us of epoxy anchors in tension as being frowned upon even thought all engineering math and published numbers (hilti) work.
