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What is your recommendation for the maximum size of coarse aggregate for the following situation? A continuously reinforced concrete pavement cross section contains a layer

What is your recommendation for the maximum size of coarse aggregate for the following situation? A continuously reinforced concrete pavement cross section contains a layer of No. 6 reinforced bars at 15.24 cm centers, such that the steel is just above mid-depth of a 25.4 cm thick slab. Cover over the top of the steel is therefore about 10.16 cm.

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