SSC JE Civil Engineering 2018 Set 1 Solved Paper

Question : 167 of 200

Marks: +1, -0

In design of R.C.C. structures, the tensile strength of concrete is taken as:

5N/mm $^{2}$
2N/mm $^{2}$
0.3N/mm $^{2}$
None of these

Solution:

Concrete does not take up tensile loads, it is taken as zero (We basically design cracked section). But IS 456 – 2000 recommends the tensile strength to be calculated using ft = 0.7

√{\fck }

N/mm

^{2}

. It is bending (flexural) tensile strength.

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