Civil Engineering MCQAE Level Civil Engineering
In IS 456 limit state design, the design compressive stress block in concrete has resultant compression equal to:
RCCTheory of Structures and DesignHARD
Choose the correct answer
A
0.87 fy Ast
B
0.36 fck b xu
C
0.45 fck b xu
D
0.67 fck b xu
Correct Answer
B. 0.36 fck b xu
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The equivalent concrete compression resultant is 0.36 fck b xu and acts at 0.42 xu from the compression face.
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