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)] 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 h = √(W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 - sin φ)/(1 + sin φ)] 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 T - R √(R² + T²) R - T R + T T - R √(R² + T²) R - T ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If jd is the lever arm and ΣO is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is Q/2jdƩO Q/3jdƩO Q/jdƩO 2 × Q/jdƩO Q/2jdƩO Q/3jdƩO Q/jdƩO 2 × Q/jdƩO ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by (5/6) (r²/1 + r³) M (5/6) (r/1 + r²) M (5/6) (r²/1 + r⁴) M (5/6) (r²/1 + r²) M (5/6) (r²/1 + r³) M (5/6) (r/1 + r²) M (5/6) (r²/1 + r⁴) M (5/6) (r²/1 + r²) M ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design High strength concrete is used in pre-stressed member All listed here To overcome high bearing stresses developed at the ends To provide high bond stresses To overcome bursting stresses at the ends All listed here To overcome high bearing stresses developed at the ends To provide high bond stresses To overcome bursting stresses at the ends ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment WL/6 WL/2 WL/8 WL/4 WL/6 WL/2 WL/8 WL/4 ANSWER DOWNLOAD EXAMIANS APP
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