As per IRC 58, the critical stress location for thickness design of rigid (cement concrete) pavement is at:
Choose the correct answer
Mid-span of slab (interior loading)
Edge of slab at mid-panel (edge loading governs for unreinforced slabs)
Corner of slab
Center of joint
Correct Answer
B. Edge of slab at mid-panel (edge loading governs for unreinforced slabs)
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IRC 58:2015: The critical stress for rigid pavement design is the edge stress at mid-panel, which is the maximum temperature stress + load stress combination. Corner stress was critical in older methods; edge loading governs in IRC 58 method.
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