If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

RCC Structures Design
If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

All listed here

Kx (1 + x/l) + bw

Kx (1 - x/l) + bw

K/x (1 + x/d) + bw

All listed here

Kx (1 + x/l) + bw

Kx (1 - x/l) + bw

K/x (1 + x/d) + bw

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RCC Structures Design
The maximum shear stress (qmax) in a rectangular beam is

1.50 times the average

1.25 times the average

2.0 times the average

1.75 times the average

1.50 times the average

1.25 times the average

2.0 times the average

1.75 times the average

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RCC Structures Design
If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is

(p₁ - p₂) ⅔h

[(p₁ + p₂)/2] h

[(p₁ - p₂)/2] h

[(p₁ + p₂)/4] h

(p₁ - p₂) ⅔h

[(p₁ + p₂)/2] h

[(p₁ - p₂)/2] h

[(p₁ + p₂)/4] h

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RCC Structures Design
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

Is over safe in shear

Is safe in shear

Is unsafe in shear

Needs redesigning

Is over safe in shear

Is safe in shear

Is unsafe in shear

Needs redesigning

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RCC Structures Design
In a singly reinforced beam

Compression is borne entirely by concrete

Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

Steel possesses initial stresses when embedded in concrete

Plane sections transverse to the centre line of the beam before bending remain plane after bending

Compression is borne entirely by concrete

Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

Steel possesses initial stresses when embedded in concrete

Plane sections transverse to the centre line of the beam before bending remain plane after bending

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RCC Structures Design
If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

Parabolic with convexity upward

Parabolic with convexity downward

Straight below centroidal axis

Straight above centroidal axis

Parabolic with convexity upward

Parabolic with convexity downward

Straight below centroidal axis

Straight above centroidal axis

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RCC Structures Design

RCC Structures Design The maximum shear stress (qmax) in a rectangular beam is

RCC Structures Design If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is

RCC Structures Design The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

RCC Structures Design In a singly reinforced beam

RCC Structures Design If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

RCC Structures Design
The maximum shear stress (qmax) in a rectangular beam is

RCC Structures Design
If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is

RCC Structures Design
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

RCC Structures Design
In a singly reinforced beam

RCC Structures Design
If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.