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 If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by ft .d/4fb π ft .d²/fb (π/4). (ft .d/fb) (π/4). (ft .d3/fb) ft .d/4fb π ft .d²/fb (π/4). (ft .d/fb) (π/4). (ft .d3/fb) ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Based on punching shear consideration, the overall depth of a combined footing under a column A, is (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column) None of these (Area of the column A × Safe punching stress)/Load on column A (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column) (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column) None of these (Area of the column A × Safe punching stress)/Load on column A (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column) 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] 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 [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The live load to be considered for an accessible roof, is Nil 150 kg/m² 200 kg/cm² 75 kg/m³ Nil 150 kg/m² 200 kg/cm² 75 kg/m³ 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)/2(1 + sin φ)] wh² [(1 - sin φ)/3(1 + sin φ)] wh [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/2(1 + sin φ)] wh² [(1 - sin φ)/3(1 + sin φ)] wh [(1 - sin φ)/(1 + sin φ)] wh² [(1 - sin φ)/(1 + sin φ)] ANSWER DOWNLOAD EXAMIANS APP
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