Structural Analysis
For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to

Smaller of A and B
Greater of A and B
5 mm less than the minimum clear distance between the main bars
5 mm less than the minimum cover to the reinforcement

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Structural Analysis
The minimum horizontal distance between two parallel main reinforcing bars, is

The diameter of the bar if their diameters are same
5 mm more than nominal maximum size of the coarse aggregate
The diameter of the longer bar if their diameters are unequal
Greatest value of the above

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