RCC Structures Design If the average bending stress is 6 kg/cm² for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is 58 d 28 d 48 d 38 d 58 d 28 d 48 d 38 d 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 - (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) y = L/2 - (l + x̅) ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge Is decreased by Pe/Z Remains unchanged Is increased by PZ/e Is increased by Pe/Z Is decreased by Pe/Z Remains unchanged Is increased by PZ/e Is increased by Pe/Z ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40,000 kg axially, the stress is 175 kg/cm² 100 kg/cm² 49.9 kg/cm² 250 kg/cm² 175 kg/cm² 100 kg/cm² 49.9 kg/cm² 250 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of 25 mm 20 mm 15 mm 10 mm 25 mm 20 mm 15 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Lapped splices in tensile reinforcement are generally not used for bars of size larger than 30 mm diameter 36 mm diameter 24 mm diameter 18 mm diameter 30 mm diameter 36 mm diameter 24 mm diameter 18 mm diameter ANSWER DOWNLOAD EXAMIANS APP