@Ron and Jed, based on my calculations, I will need to increase wall thickness from 24" to 36" to totally overcome shear reinforcement. I am not sure I saw a wall that thick for underground tunnels (thicker wall means more excavation work and thereby more cost?)...
The height of the wall is...
Hi all,
I am working on a design of a tunnel in California. Based on my calculation, we need shear reinforcement at the base of the walls, where the walls are connected to the mat foundation (see attachment). However, for ease of construction (placing steel and pouring concrete), we prefer not...