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Which of the below is not designed as a semi-rigid pavement?

Which of the below is not designed as a semi-rigid pavement? Correct Answer Soil-bitumen

There are no specific methods to design the thickness of the stabilizing mixes. So, the mixes like soil-cement, soil-lime and pozzolanic concrete can be designed as a semi-rigid pavement. Bitumen is not designed as a semi-rigid pavement.

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In counterfort type retaining walls
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ii) the heel slab is designed as a continuous slab
iii) the vertical slab is designed as a cantilever
iv) the heel slab is designed as a cantilever
The correct answer is
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