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
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/P

WL/2P

WL/4P

WL/3P

WL/P

WL/2P

WL/4P

WL/3P

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RCC Structures Design
As per IS : 1343, total shrinkage for a pre-tensioned beam, is

3.0 × 10⁻⁵

3.5 × 10⁻⁵

3.0 × 10⁻²

3.0 × 10⁻³

3.0 × 10⁻⁵

3.5 × 10⁻⁵

3.0 × 10⁻²

3.0 × 10⁻³

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RCC Structures Design
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

Two times

Three times

Five times

Four times

Two times

Three times

Five times

Four times

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RCC Structures Design
If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

40 cm

37 cm

39 cm

38 cm

40 cm

37 cm

39 cm

38 cm

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RCC Structures Design
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

All listed here

Economic section

Balanced section

Critical section

All listed here

Economic section

Balanced section

Critical section

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RCC Structures Design
As per IS : 456, the reinforcement in a column should not be less than

0.5% and not more than 5% of cross-sectional area

0.8% and not more than 8% of cross-sectional area

0.6% and not more than 6% of cross-sectional area

0.7% and not more than 7% of cross-sectional area

0.5% and not more than 5% of cross-sectional area

0.8% and not more than 8% of cross-sectional area

0.6% and not more than 6% of cross-sectional area

0.7% and not more than 7% of cross-sectional area

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RCC Structures Design

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 As per IS : 1343, total shrinkage for a pre-tensioned beam, is

RCC Structures Design Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

RCC Structures Design If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

RCC Structures Design The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

RCC Structures Design As per IS : 456, the reinforcement in a column should not be less than

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
As per IS : 1343, total shrinkage for a pre-tensioned beam, is

RCC Structures Design
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

RCC Structures Design
If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

RCC Structures Design
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

RCC Structures Design
As per IS : 456, the reinforcement in a column should not be less than