Cantilever Retaining Wall Design Example
Step-by-step cantilever retaining wall stability check using Rankine active earth pressure. Covers lateral thrust, overturning moment, resisting moment, base sliding safety factor, and soil bearing pressure.
Given Parameters
stem height above footing
footing slab thickness
total footing width
stem thickness
toe projection width
backfill friction angle
soil unit weight
uniform surcharge on backfill
base friction angle (2/3 phi)
Calculation Steps
1. Active Earth Pressure Coefficient Ka
2. Lateral Earth Thrust on Stem
3. Overturning Moment about Toe
4. Vertical Loads and Resisting Moment about Toe
5. Overturning and Sliding Stability Checks
Stability Check Summary
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