The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20 C and the maximum slab temperature in summer is 60 C. The coefficient of thermal expansion of concrete is 10 10

The width of the expansion joint is 20 mm in a cement concrete pavemen

1.	The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20 C and the maximum slab temperature in summer is 60 C. The coefficient of thermal expansion of concrete is 10 10
A.	20 m
B.	25 m
C.	30 m
D.	40 m
Answer» C. 30 m

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The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20 C and the maximum slab temperature in summer is 60 C. The coefficient of thermal expansion of concrete is 10 10

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