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

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

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Structural Analysis
Pick up the correct statement for the web stiffeners.

All of these
Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
d is the distance between flange angles or the clear distance between flanges

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