If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than

RCC Structures Design
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than

WL/12 (L - D/3)²

WL/10 (L + 2D/3)²

WL/10 (L - 2D/3)²

WL/12 (L - 2D/3)²

WL/12 (L - D/3)²

WL/10 (L + 2D/3)²

WL/10 (L - 2D/3)²

WL/12 (L - 2D/3)²

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RCC Structures Design
A ribbed slab is provided for

Acoustic insulation

All of these

A plain ceiling

Thermal insulation

Acoustic insulation

All of these

A plain ceiling

Thermal insulation

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RCC Structures Design
The ratio of the breadth to effective depth of a beam is kept

0.25

0.75

0.7

0.5

0.25

0.75

0.7

0.5

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

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

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)

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RCC Structures Design
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

Needs redesigning

Is safe in shear

Is over safe in shear

Is unsafe in shear

Needs redesigning

Is safe in shear

Is over safe in shear

Is unsafe in shear

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RCC Structures Design
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

UDL of wall

Triangular load of the wall

UDL of wall + load from the roof

Triangular load + load from the roof

UDL of wall

Triangular load of the wall

UDL of wall + load from the roof

Triangular load + load from the roof

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RCC Structures Design

RCC Structures Design A ribbed slab is provided for

RCC Structures Design The ratio of the breadth to effective depth of a beam is kept

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

RCC Structures Design The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

RCC Structures Design An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

RCC Structures Design
A ribbed slab is provided for

RCC Structures Design
The ratio of the breadth to effective depth of a beam is kept

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

RCC Structures Design
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

RCC Structures Design
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus