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

25 mm

15 mm

20 mm

10 mm

25 mm

15 mm

20 mm

10 mm

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RCC Structures Design
For a ribbed slab

Width of the rib shall not be less than 7.5 cm

Clear spacing between ribs shall not be greater than 4.5 cm

All listed here

Overall depth of the slab shall not exceed four times the breadth of the rib

Width of the rib shall not be less than 7.5 cm

Clear spacing between ribs shall not be greater than 4.5 cm

All listed here

Overall depth of the slab shall not exceed four times the breadth of the rib

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RCC Structures Design
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

WL/4P

WL/3P

WL/P

WL/2P

WL/4P

WL/3P

WL/P

WL/2P

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RCC Structures Design
An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

25°

35°

45°

55°

25°

35°

45°

55°

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RCC Structures Design
If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

w₁/w₂ = (l₂/l₁)³

w₁/w₂ = (l₂/l₁)²

w₁/w₂ = (l₂/l₁)⁴

w₁/w₂ = l₂/l₁

w₁/w₂ = (l₂/l₁)³

w₁/w₂ = (l₂/l₁)²

w₁/w₂ = (l₂/l₁)⁴

w₁/w₂ = l₂/l₁

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RCC Structures Design
If diameter of a reinforcement bar is d, the anchorage value of the hook is

8d

16d

4d

12d

8d

16d

4d

12d

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RCC Structures Design

RCC Structures Design For a ribbed slab

RCC Structures Design A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

RCC Structures Design An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

RCC Structures Design If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

RCC Structures Design If diameter of a reinforcement bar is d, the anchorage value of the hook is

RCC Structures Design
For a ribbed slab

RCC Structures Design
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

RCC Structures Design
An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

RCC Structures Design
If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

RCC Structures Design
If diameter of a reinforcement bar is d, the anchorage value of the hook is