If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

RCC Structures Design
If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

\frac{w l^{2}}{4}

\frac{w l^{2}}{10}

\frac{w l^{2}}{8}

\frac{w l^{2}}{12}

$\frac{w l^{2}}{4}$

$\frac{w l^{2}}{10}$

$\frac{w l^{2}}{8}$

$\frac{w l^{2}}{12}$

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RCC Structures Design
A very comfortable type of stairs is

Dog legged

Straight

Open newel

Geometrical

Dog legged

Straight

Open newel

Geometrical

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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/2P

WL/P

WL/3P

WL/4P

WL/2P

WL/P

WL/3P

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RCC Structures Design
According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

15 kg/cm²

20 kg/cm²

10 kg/cm²

5 kg/cm²

15 kg/cm²

20 kg/cm²

10 kg/cm²

5 kg/cm²

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RCC Structures Design
For initial estimate for a beam design, the width is assumed

1/20th of span

1/15th of span

1/25th of span

1/30th of span

1/20th of span

1/15th of span

1/25th of span

1/30th of span

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RCC Structures Design
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment

WL/2

WL/8

WL/4

WL/6

WL/2

WL/8

WL/4

WL/6

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RCC Structures Design

RCC Structures Design If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

RCC Structures Design A very comfortable type of stairs 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

RCC Structures Design According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

RCC Structures Design For initial estimate for a beam design, the width is assumed

RCC Structures Design If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment

RCC Structures Design
If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

RCC Structures Design
A very comfortable type of stairs 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

RCC Structures Design
According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

RCC Structures Design
For initial estimate for a beam design, the width is assumed

RCC Structures Design
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment