Jobs By Abekus

Concrete-structures Questions Set 3:

Quiz Mode

What is the minimum percentage of steel required in an RCC column as per IS 456:2000?

0.5%

0.8%

3.1%

4.4%

Solution:

What should be the maximum spacing between 2 RCC (reinforced cement concrete) columns?

1.50 m

5.00 m

7.50 m

3.00 m

Solution:

In the stress-strain curve for concrete in flexure compression, the curve is a parabola up to a strain of

0.002

0.0035

1.15

0.56

Solution:

In a slab, the pitch of the main reinforcement should not exceed three times its effective depth.

Three times

Four times

Five times

Two times

Solution:

What is the modular ratio to be used in the analysis of RCC beams using the working stress method if the grade of concrete is M20?

18.6

13.3

9.9

6.5

Solution:

According to IS:456-2000, the maximum size of coarse aggregate shall not exceed

1/4th of the thinnest structural member

3mm

6mm

1/6th of the structural member

Solution:

The minimum eccentricity to be considered for an axially loaded reinforced concrete (RC) column of size 400 mm × 400 mm with unsupported length of 6 m is:

25.33 mm

23.33 mm

18.33 mm

20.5 mm

Solution:

For the limit state of collapse, the partial safety factors recommended by IS 456:2000 for estimating the design strength of concrete and reinforcing steel are respectively:

1.15 and 1.5

1.0 and 1.0

1.5 and 1.15

1.5 and 1.0

Solution:

The percentage loss of prestress due to anchorage slip of 3 mm in a concrete beam of length 30 m which is post tensioned by a tendon with an initial stress of 1200 N/mm² and modulus of elasticity equal to 2.1x10 N/mm² is

0.0175

0.175

1.75

0.00175

Solution:

A triangular beam has an effective depth of 400 mm. Fe 415 steel bars and M25 concrete grade were used, and the beam was designed using the Working Stress Method (WSM) technique. What will be the critical depth of the section?

115.46 mm

110.65 mm

130.97 mm

100.64 mm

Concrete-structures Questions Set 3:

What is the minimum percentage of steel required in an RCC column as per IS 456:2000?

Solution:

What should be the maximum spacing between 2 RCC (reinforced cement concrete) columns?

Solution:

In the stress-strain curve for concrete in flexure compression, the curve is a parabola up to a strain of

Solution:

In a slab, the pitch of the main reinforcement should not exceed three times its effective depth.

Solution:

What is the modular ratio to be used in the analysis of RCC beams using the working stress method if the grade of concrete is M20?

Solution:

According to IS:456-2000, the maximum size of coarse aggregate shall not exceed

Solution:

The minimum eccentricity to be considered for an axially loaded reinforced concrete (RC) column of size 400 mm × 400 mm with unsupported length of 6 m is:

Solution:

For the limit state of collapse, the partial safety factors recommended by IS 456:2000 for estimating the design strength of concrete and reinforcing steel are respectively:

Solution:

The percentage loss of prestress due to anchorage slip of 3 mm in a concrete beam of length 30 m which is post tensioned by a tendon with an initial stress of 1200 N/mm² and modulus of elasticity equal to 2.1x10 N/mm² is

Solution:

A triangular beam has an effective depth of 400 mm. Fe 415 steel bars and M25 concrete grade were used, and the beam was designed using the Working Stress Method (WSM) technique. What will be the critical depth of the section?

Solution:

Related Question Sets:

Related Topics: