Thanks quark for the reply.
The original plans were dated in the early 1950s. I thought the original designer may have been referring to brimstone cement as well but I found the "Brimsto" reference on several plan sheets and in several locations on each sheet. If it is a typographical error...
Hello all,
I'm a structural engineer working on a remediation project. The original plans show steel tanks lined with a "Duro-San" membrane and then faced with two vertical courses of acid proof brick. The tanks were used for cleaning equipment and parts. The brick mortar is listed as...
Hello all,
I'm a structural engineer working on a remediation project. The original plans show steel tanks lined with a "Duro-San" membrane and then faced with two vertical courses of acid proof brick. The tanks were used for cleaning equipment and parts. The brick mortar is listed as...
Thanks all for your comments. I thought I'd post DOT's approach to resolving this issue.
DOT’s recommended course of action is to perform an analysis to see if there is adequate section remaining (after considering the cut plate) to carry the loads. If not, DOT will allow either of the...
To answer gwynn's post, the bridge is composite with a concrete deck and the steel girders. The damage was done when removing the old deck for replacement.
The filler plate is required simply to make up the difference in thickness of the adjoined girder top flanges since the girder over the...
On a bridge rehab job, a contractor recently removed the concrete deck for replacement. When sawing through the deck, they inadvertently sawed into the top plate at a field splice. The field splice is located near the point of inflection. The damage is on the side of the splice where the top...
