‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is

RCC Structures Design
‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is

f = (P/A) - (M/Z)

f = (P/A) - (M/6Z)

f = (A/P) - (M/Z)

f = (P/'- (Z/M)

f = (P/A) - (M/Z)

f = (P/A) - (M/6Z)

f = (A/P) - (M/Z)

f = (P/'- (Z/M)

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RCC Structures Design
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is

Less than 2

2.5

Less than 2.5

2

Less than 2

2.5

Less than 2.5

2

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RCC Structures Design
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is

All listed here

Atft (d - n/3)

bn (fc/2) (d - n/3)

½ n₁ (1 - n₁/3) cbd²

All listed here

Atft (d - n/3)

bn (fc/2) (d - n/3)

½ n₁ (1 - n₁/3) cbd²

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RCC Structures Design
The maximum ratio of span to depth of a cantilever slab, is

8

16

12

10

8

16

12

10

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RCC Structures Design
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than

36 bar diameters

18 bar diameters

24 bar diameters

30 bar diameters

36 bar diameters

18 bar diameters

24 bar diameters

30 bar diameters

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RCC Structures Design
If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is

2800/3C

2800/C²

2300/2C

2800/C

2800/3C

2800/C²

2300/2C

2800/C

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RCC Structures Design

RCC Structures Design ‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is

RCC Structures Design A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is

RCC Structures Design A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is

RCC Structures Design The maximum ratio of span to depth of a cantilever slab, is

RCC Structures Design The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than

RCC Structures Design If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is

RCC Structures Design
‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is

RCC Structures Design
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is

RCC Structures Design
A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is

RCC Structures Design
The maximum ratio of span to depth of a cantilever slab, is

RCC Structures Design
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than

RCC Structures Design
If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is