Shear in RC Retaining Walls[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: Shear in RC Retaining Walls
- From: "Richard Daoud" <rydaoud(--nospam--at)inco.com.lb>
- Date: Tue, 20 Feb 2001 23:06:50 +0200
There is something that has been itching my mind and wonder.
I hope someone can help me.
In the "Building Code Requirements for Reinforced Concrete ACI 318-99", section (18.104.22.168) stipulates that for nonprestressed members, sections located less than a distance "d" from face of support may be designed for the same shear "Vu" as that computed at a distance "d".
But to do so, the commentary (R22.214.171.124) explains that 2 things are emphasized; one of them is that stirrups are required over a distance "d" from face of support.
However, in all the books I had read, concerning the structural design of RC retaining walls, I found that the design shear for the stem was calculated at a distance "d" from face of support ( which is the footing top) and without any shear reinforcement.
My question is: to be compliant with the ACI code, don't we have to do one of the following proposal:
1. design the stem for the shear calculated at face of support ?
2. provide shear reinforcement over a distance "d" from face of support ?
Thanks in advance
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