In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed

RCC Structures Design
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed

10 mm

20 mm

15 mm

25 mm

10 mm

20 mm

15 mm

25 mm

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RCC Structures Design
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is

Zero

2WR²/16

WR²/16

3WR²/16

Zero

2WR²/16

WR²/16

3WR²/16

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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

2A/P

P/2A

P/A

A/P

2A/P

P/2A

P/A

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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)/4] h

[(p₁ + p₂)/2] h

[(p₁ - p₂)/2] h

(p₁ - p₂) ⅔h

[(p₁ + p₂)/4] h

[(p₁ + p₂)/2] h

[(p₁ - p₂)/2] h

(p₁ - p₂) ⅔h

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RCC Structures Design
In a singly reinforced beam, the effective depth is measured from its compression edge to

Tensile edge

Tensile reinforcement

Longitudinal central axis

Neutral axis of the beam

Tensile edge

Tensile reinforcement

Longitudinal central axis

Neutral axis of the beam

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RCC Structures Design
If the shear stress in a R.C.C. beam is

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided

Equal or less than 5 kg/cm², no shear reinforcement is provided

All of these

Greater than 20 kg/cm², the size of the section is changed

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided

Equal or less than 5 kg/cm², no shear reinforcement is provided

All of these

Greater than 20 kg/cm², the size of the section is changed

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RCC Structures Design

RCC Structures Design If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is

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 In a singly reinforced beam, the effective depth is measured from its compression edge to

RCC Structures Design If the shear stress in a R.C.C. beam is

RCC Structures Design
If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is

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
In a singly reinforced beam, the effective depth is measured from its compression edge to

RCC Structures Design
If the shear stress in a R.C.C. beam is