When the bridge deck of Problem was installed, the width of the expansion joint at each end was only 0.25 in. What stress would be developed if the supports are rigid? For the concrete use f'c -4000 psi and find E from Section.
A bridge deck is made as one continuous concrete slab to 140 ft long at 30°F. Determine the required width of expansion joints at the ends of the bridge if no stress is to be developed when the temperature varies from +30°F to +110°F.
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