RCC Structures Design If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is: [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The toe projection of foundation slabs is taken As one third of the base Below ground surface As one sixth of overall height of the wall Equal to heel slab As one third of the base Below ground surface As one sixth of overall height of the wall Equal to heel slab ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is WL/P WL/2P WL/3P WL/4P WL/P WL/2P WL/3P WL/4P ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Pick up the assumption for the design of a pre-stressed concrete member from the following: Variation of stress in reinforcement due to changes in external loading is negligible During deformation limits, Hook's law is equally applicable to concrete as well as to steel All listed here A transverse plane section remains a plane after bending Variation of stress in reinforcement due to changes in external loading is negligible During deformation limits, Hook's law is equally applicable to concrete as well as to steel All listed here A transverse plane section remains a plane after bending ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is 3WR²/16 WR²/16 2WR²/16 5WR²/16 3WR²/16 WR²/16 2WR²/16 5WR²/16 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/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) y = L - (l - x̅) ANSWER DOWNLOAD EXAMIANS APP
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