If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

• A. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-136-1.png">
• B. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-136-2.png">
• C. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-136-3.png">
• D. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-136-4.png">