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Thrust & Pressure

The stress st...

Question

The stress strain curve of concrete in compression is obtained by testing the cylindrical specimen under

A

Uniform rate of strain

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B

Uniform rate of stress

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C

Constant stress condition

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D

Constant strain condition

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Solution

The correct option is B Uniform rate of stress
The stress strain curve of concrete in compression is obtained by testing the cylindrical specimen under Uniform rate of stress.

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Similar questions

Assertion (A):

The stress block used in the limit state design method is obtained by testing of concrete cylinder under uniform rate of strain.

Reason (R) :

If a uniform rate of strain is not adopted it is not possible to obtain the descending portion of stress and strain curve beyond maximum stress.

Q. Stress-strain curve of concrete is

Q. Consider the following statements:
In a typical compression test with a cylindrical concrete specimen, failure is initiated by
1. crushing in compression
2. inclined shear failure
3. longitudinal tensile cracks
Which of these statements is/are correct?

Q. The shape of idealized stress-strain curve for concrete as prescribed by IS 456-2000 is

Assume straight line instead of parabola for stress strain curve of concrete as follows and partial factor of safety as 1.0

A rectangular under-reinforced concrete section of 300 mm width and 500 mm effective depth is reinforced with 3 bars of grade Fe-415, each of 16 mm diameter.
Concrete mix is M-20

The depth of the neutral axis obtained as per IS: 456-2000 differs from the depth of neutral axis obtained in case of from compression fibre is

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