RCC Structures Design According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than 75 cm 30 cm 20 cm 40 cm 75 cm 30 cm 20 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pile of length ‘L’ carrying a uniformly distributed load ‘W’ per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be WL²/60 WL²/30 WL²/90 WL²/15 WL²/60 WL²/30 WL²/90 WL²/15 ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is All listed here Atft (d - n/3) bn (fc/2) (d - n/3) ½ n₁ (1 - n₁/3) cbd² All listed here Atft (d - n/3) bn (fc/2) (d - n/3) ½ n₁ (1 - n₁/3) cbd² 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 R - T √(R² + T²) T - R R + T R - T √(R² + T²) T - R R + T ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The minimum clear cover for R.C.C. columns shall be Greater of 40 mm or diameter Smaller of 25 mm or diameter Greater of 25 mm or diameter Smaller of 40 mm or diameter Greater of 40 mm or diameter Smaller of 25 mm or diameter Greater of 25 mm or diameter Smaller of 40 mm or diameter ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads). y = L/2 - (l - x̅) y = L - (l - x̅) y = L/2 - (l + x̅) y = L/2 + (l - x̅) y = L/2 - (l - x̅) y = L - (l - x̅) y = L/2 - (l + x̅) y = L/2 + (l - x̅) ANSWER DOWNLOAD EXAMIANS APP