A contraction joint is provided in concrete pavement to ___.
A. permit cracking at the joint
B. lower the bending moment in the pavement in order to reduce pavement thickness
C. lower the temperature gradient across the depth of the pavement
D. prevent contraction of the pavement
Answer:D
A contraction joint is provided in concrete pavement to ___.
A. permit cracking at the joint B. lower the bending moment in the pavement in order to reduce pavement thickness C. lower the temperature gradient across the depth of the pavement D. prevent contraction of the pavement