Since the moisture content at the bottom of a rigid pavement slab is generally more than at the top ____.
A. the top of the slab is generally in compression
B. the bottom of the slab is neither is compression nor in tension
C. the bottom of the slab is generally in tension
D. the bottom of the slab is generally in compression
Answer:C
Since the moisture content at the bottom of a rigid pavement slab is generally more than at the top ____.
A. the top of the slab is generally in compression B. the bottom of the slab is neither is compression nor in tension C. the bottom of the slab is generally in tension D. the bottom of the slab is generally in compression