Computer · Design of Concrete Structures
What is the purpose of providing a shear key in the design of an RCC retaining wall?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the overturning moment due to active earth pressure so as to reduce the factor of safety
- 2To reduce the pore water pressure induced by backfill and surcharge
- 3To enhance the factor of safety against sliding due to active earth pressure induced by backfill and surcharge✓
- 4To enhance the drainage by reducing pore water pressure from backfill and uplift pressure from the foundation
Correct answer
To enhance the factor of safety against sliding due to active earth pressure induced by backfill and surcharge
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