A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm² and 300 kg/cm², the Safe load on the column, should not exceed

RCC Structures Design
A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm² and 300 kg/cm², the Safe load on the column, should not exceed

412,000 kg

41,200 kg

4,120 kg

None of these

412,000 kg

41,200 kg

4,120 kg

None of these

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RCC Structures Design
Based on punching shear consideration, the overall depth of a combined footing under a column A, is

None of these

(Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)

(Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)

(Area of the column A × Safe punching stress)/Load on column A

None of these

(Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)

(Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)

(Area of the column A × Safe punching stress)/Load on column A

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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

38 cm

37 cm

39 cm

40 cm

38 cm

37 cm

39 cm

40 cm

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RCC Structures Design
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is

(L/2) (1 - 3/qmax)

(L/2) (1 - 5/qmax)

(L/3) (1 - 5/qmax)

(L/2) (1 - 2/qmax)

(L/2) (1 - 3/qmax)

(L/2) (1 - 5/qmax)

(L/3) (1 - 5/qmax)

(L/2) (1 - 2/qmax)

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RCC Structures Design
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

400 kg/cm²

100 kg/cm²

300 kg/cm²

200 kg/cm²

400 kg/cm²

100 kg/cm²

300 kg/cm²

200 kg/cm²

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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/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

WL/12 (L - D/3)²

WL/10 (L + 2D/3)²

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RCC Structures Design

RCC Structures Design A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm² and 300 kg/cm², the Safe load on the column, should not exceed

RCC Structures Design Based on punching shear consideration, the overall depth of a combined footing under a column A, is

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 If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is

RCC Structures Design In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

RCC Structures Design
A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm² and 300 kg/cm², the Safe load on the column, should not exceed

RCC Structures Design
Based on punching shear consideration, the overall depth of a combined footing under a column A, is

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
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is

RCC Structures Design
In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength