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
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)/4] h

[(p₁ + p₂)/2] h

(p₁ - p₂) ⅔h

[(p₁ - p₂)/2] h

[(p₁ + p₂)/4] h

[(p₁ + p₂)/2] h

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RCC Structures Design
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by

Four times

Three times

Five times

Six times

Four times

Three times

Five times

Six times

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RCC Structures Design
A very comfortable type of stairs is

Dog legged

Straight

Geometrical

Open newel

Dog legged

Straight

Geometrical

Open newel

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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 - (l - x̅)

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)

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RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

b/6

b/3

b/4

b/5

b/6

b/3

b/4

b/5

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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

A/P

P/A

P/2A

2A/P

A/P

P/A

P/2A

2A/P

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RCC Structures Design

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 pitch of the main bars in a simply supported slab, should not exceed its effective depth by

RCC Structures Design A very comfortable type of stairs is

RCC Structures Design To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

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

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 pitch of the main bars in a simply supported slab, should not exceed its effective depth by

RCC Structures Design
A very comfortable type of stairs is

RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

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