Three statements (S1, S2, S3) related to temperature stresses in pavement are given. Identify the correct statement:
S1: Seasonal variation of temperature will lead to the frictional stresses.
S2: Daily variation of temperature will lead to the frictional stresses.
S3: Temperature stress is critical at edge and interior and it is minimum at corner.
1
S1 & S3 are correct.
2
S2 & S3 are correct.
3
Only S1 is correct.
4
Only S3 is correct.