Is it possible to design a cross hipped roof, without a post beneath the ridge and without using trusses? Collar ties work well at a portion of the roof, but I'm not sure how to make this connection at the valley where the two hips intersect.
Table 12.6-1 of ASCE7-05 states that the equivalent lateral force procedure is permitted for certain structural characteristics. Would the Equivalent lateral procedure be applicable to a 3 story concrete building? I am confused by "regular structures w/ T < 3.5s and all structures with light...
Hi All,
I have a question about an addition to the second story of a house only, leaving the bottom story open to the back yard. I had initially thought of using a moment frame or strong walls in the corners of this rectangular addition to transfer seismic loads, but another engineer told me to...
My client would like to remove posts beneath two beams to make some space in the garage. I plan on using two steel channels to stiffen the beam. I have two questions:
What is the appropriate way to connect the channels to the post?
For the new, larger point loads on the 8" wide perimeter...