RCC Structures Design A raft foundation is provided if its area exceeds the plan area of the building by 10 % 50 % 20 % 40 % 10 % 50 % 20 % 40 % ANSWER DOWNLOAD EXAMIANS APP
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] sin 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force ‘P’ through its centroidal longitudinal axis, the compressive stress in concrete, is P/2A 2A/P A/P P/A P/2A 2A/P A/P P/A ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The thickness of the topping of a ribbed slab, varies between 5 cm to 8 cm 3 cm to 5 cm 8 cm to 10 cm 12 cm to 15 cm 5 cm to 8 cm 3 cm to 5 cm 8 cm to 10 cm 12 cm to 15 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Steel beam theory is used for Beams if shear exceeds 4 times allowable shear stress Doubly reinforced beams ignoring compressive stress in concrete Steel beams encased in concrete Design of simple steel beams Beams if shear exceeds 4 times allowable shear stress Doubly reinforced beams ignoring compressive stress in concrete Steel beams encased in concrete Design of simple steel beams ANSWER DOWNLOAD EXAMIANS APP
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 38 d 58 d 28 d 48 d 38 d 58 d 28 d 48 d ANSWER DOWNLOAD EXAMIANS APP