I'm designing a grade beam under a basement retaining wall which I'm modeling as fixed (grade beam / bottom) and pinned (top / floor joist). I checked the foundation retaining wall and it can span between supports with no shear reinforcement required, carrying the full bending moment, and has a...
I swear I saw this in the code somewhere that the there was a limit to the maximum distance between shearlines or a maximum diaphragm dimension, maybe specifically unblocked diaphragms. This is for SDC D structures in California. I think it was 50 feet. I should have book marked that or noted...
From the special inspection form in my jurisdiction, California Building Code (CBC)
Table 1705.8 – Cast-In-Place Deep Foundation Elements
For concrete elements, perform tests and additional special inspections in accordance
with Section 1705.3. (requires verifying mix design, rebar placement...
This is in response to the thread "Retrofit Holdown - Can't Use Epoxy" thread507-473250. You are correct that epoxy hold downs generally do not work in a typical 8" stem wall due to the concrete breakout strength and inability to have a ductile fuse. I discussed the HDU and similar hold downs...
