RCC Structures Design If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is h = (W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 + sin φ)/(1 + sin φ)] h = (W/Aw) [(1 - sin φ)/(1 + sin φ)] h = √(W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 + sin φ)/(1 + sin φ)] h = (W/Aw) [(1 - sin φ)/(1 + sin φ)] h = √(W/Aw) [(1 - sin φ)/(1 + sin φ)]² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A foundation is called shallow if its depth, is Half of its width Equal to its width Three-fourth of its width One-fourth of its width Half of its width Equal to its width Three-fourth of its width One-fourth of its width ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by M = pb (b + a)/8 M = pb (c - a)/4 M = pb (b + a)/8 M = pb (b - a)²/8 M = pb (b - a)²/4 M = pb (b + a)/8 M = pb (c - a)/4 M = pb (b + a)/8 M = pb (b - a)²/8 M = pb (b - a)²/4 ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Total pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the retained earth weighing ‘w’ per unit volume, is wh² [(1 - sin φ)/3(1 + sin φ)] wh² [(1 - sin φ)/2(1 + sin φ)] wh [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/3(1 + sin φ)] wh² [(1 - sin φ)/2(1 + sin φ)] wh [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/(1 + sin φ)] ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width √(R² + T²) T - R R + T R - T √(R² + T²) T - R R + T R - T ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is 30 20 35 25 30 20 35 25 ANSWER DOWNLOAD EXAMIANS APP
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