ASCE/SEI 7-05 12.7.3 states that if you have structural irregularities Type 1a, 1b, 4 or 5 in Table 12.3-1, that a 3-D model is required with three dynamic degrees of freedom...
For residential construction, Type 4 irregularities are quite common, and Type 5 comes up occasionally also. Does...
My question to all is regarding the Wind Speed-Up Topographic Factor Kzt in the ASCE/SEI 7-05 6.5.7.1 & 6.5.7.2
Is there are simplified way to address this factor? Is this ever just equal to 1 (K1, K2, K3=0)? Is this just applied in specific isolated conditions?
I'm a little confused by how I...
I am alittle late getting familiarized with the new code as I bought the 2007 CBC yesterday as well as the Design Manuuals 1 & 2. I got a few questions if anybody can shed some light on:
The Design Manuals make code references to the ASCE/SEI7-05, and the CBC also indicates that seismic force...
I have a scenario as follows: I have a project where we are raising up an existing single story wood framed house and building a new lower level. The owner was planning/hoping to leave the existing finishes as-is.
My question: I am detailing an interior lower plywood shearwall to the...