Aug 28, 2014 · Don't forget the weight of the wall and the soil reaction under the footing part of the wall. The active soil pressure on the shear key should look like B (unless something weird is …

Mar 27, 2014 · Regardless of what codes we use, for cantilever retaining walls, adding a shear key below the footing, and/or deepening a key, always results in a higher factor of safety for …

Oct 18, 2006 · Requirements for shear key - check moment and 1-way shear. Size for bucket width (1 to 2 ft wide) use 3" cover since it will be cast directly to the earth. If it rains, they will …

Jan 4, 2005 · When checking sliding for a cantilever retaining wall with a footing key, 1) Is it correct to include active pressure behind the wall down to the bottom of the key or only down …

Apr 8, 2006 · I have seen plenty of details for construction joints, retaining wall bases etc. which shows a shear key with reinforcing running through it. It appears that using shear friction (even …

Nov 8, 2007 · I'm in the process of designing a 21' cantilevered retaining wall and the shear at the base (between the stem wall and the footing) is a bit too high. I'd like to include a shear key as …

Nov 9, 2005 · For example, at the base of a retaining wall, one typical detail is to pour the footing with a continous shear key where the wall will be poured on top. This shear key isn't enough to …

Apr 11, 2006 · An actual concrete extension into the soil under a retaining wall used to provide extra passive pressure for sliding resistance (Qshake an oldrunner), and a formed groove in …

Jun 19, 2000 · I am wanting to get some opinions on the use of shear keys to increase sliding resistance of retaining walls. Does anyone have an opinion on...

Feb 21, 2015 · The following doc. is from CALTRANS ( free to download ) which explains the use of shear key for retaining walls.. And the following rebar detail from (MANUAL FOR …