I have a 10 ft tall screen wall that the architect wants to be double wythe brick. He has placed 12"x12" pilasters (that I assume he wants also to be out of brick) at 9 ft on center. He doesn't want the brick wall to have a space in the middle that would allow for me to use reinforcing steel so...
I am working on an existing structure with no structural drawings to be found on file.
What year did 50 ksi steel W-shapes become widely accessible and required? Also, does anyone know of a cheap standard test that can determine if an in-place W-shape is 36 or 50 ksi?
Thank You,
MLM
I am aware of the commonly accepted limits of 0.30" or L/600 for brick lintels, whichever is less.
For very long spans the 0.30 requirement can be unreasonable. For example, a 40 ft. span truss that deflects 0.50 inches (L/960) has less angular rotation than a 15 ft. beam that deflects 0.30...
I've got a project where Aluminum columns (and base plates) are being anchored to a concrete pier/footing. The contractor used your everyday common steel threaded anchor rods. In less than two weeks they are completely rusted over. The contract documents called for hot-dipped galvanized anchor...
Does anyone have any information or experience with Auger Pressure Grouted Displacement Piles?
How do their installation and spacing requirements differ from traditional Auger-Cast-In-Place piles?
Thanks,
MLM
I've got some auger-cast-in-place tension piles that have had the center tension bar broken off at about 1-2 ft above the top of pile. In order to get them to the top of pile cap, I need to mechanical splice on another bar with either the proper hook or terminator at the top.
I could have them...
Does anyone know of a good estimation guide? I’d prefer an online guide that is divided into at least regions (if not by state) and is updated every quarter.
The online guide that I have been using lately is: www.get-a-quote.net
It is a nice site, but with the rising costs of building...
