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Question
For conditions prevailing in india, at which location in a cement concrete pavement will the combined stresses due to traffic wheel load and temperature have to be critically checked during design?
A.
Corner
B.
Corner and interior
C.
Corner and edge
D.
Corner, edge and interior
Answer ( Option C)

Corner and edge

Solution

• A rigid pavement slab has a finite length and width, either the character or the intensity of maximum stress induced by the application of a given traffic load is dependent on the location of the load on the pavement surface. 
• The three typical positions are the interior, edge, and corner of the slab whereas the combined stresses due to traffic wheel load and temperature have to be critically checked at the corner and edge during design.
 
The cumulative effect of different stress gives rise to the following three critical cases: 
•    Summer, Midday: The critical stress is for the edge region given by

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