I have a light framed wood office building. The floor is two layers of plywood. I specified #8 nails for fastening plywood to wood floor joists. This is the typical way I saw. The contractor suggests using screws in lieu of nails. I did saw the nails popped out from outside deck for another...
I have a light gauge metal stud shear wall with plywood sheathing. The edge is blocked. My question is about the edge blocking. What is the typical detail or construction method for the blocking? I understand a track, or 2x wood can all be used as blocking. But I'd like know the common or...
I saw a common practice: core holes (3" dia. example) in concrete, embedded steel pipe (1.5 dia.) in the hole, and then fill the holes with cement type epoxy. My question is how to analyze this kind of pipe anchorage if there is moment, shear, tension forces at the bottom of pipe?
From link...
This is a fish hoist. Please see attached picture.
The top cap of main post is rusted away as shown in attached picture. There are some rust areas at the post bottom. The inside condition cannot be seen. I need to evaluate this hoist if it needs to be replaced, repaired, or still okay. The main...
The HVAC air handling unit is supported at four corners. Which impact factor should be used?
Below are from ASCE
(2) light machinery,
shaft- or motor-driven, 20 percent;
(3) reciprocating machinery or power-driven units, 50 percent;
Thank you!
I am designing a light framed two story office building. The walls are light gauged steel stud wall with sheathing. The floor is TJI joists and wood beams. The roof is wood truss with sheathing. The area at each level is about 50'x80'.
There are bearing walls at both exterior and interior. The...
It is an aluminum beam. The span is 36 feet. The load is 210 plf (dead load + live load). It needs to be spliced at mid-span at the construction site and field welding is impossible. This is requested by the contractor.
I am uncomfortable with this. But the contractor already cut the beam. Can...
I need to find out the shear capacity for the typical tilt-up wall-to-wall connection.
In this connection, steel angles are embedded at the interior face of the wall panels with two inclined headed stud welded to each angle. A steel plate is welded to both embedments to form the connection.
I...
