Civil Engineering MCQCivil Engineering (Shared)
The approximate modulus of elasticity of M20 concrete by IS 456 expression is:
Concrete Technology & RCCModulus of elasticityMEDIUM
Choose the correct answer
A
22,360 N/mm2
B
31,623 N/mm2
C
25,000 N/mm2
D
10,000 N/mm2
Correct Answer
A. 22,360 N/mm2
Why is this the answer?
Ec = 5000 sqrt(20) = about 22,360 N/mm2. Reference: Clause 6.2.3.1 | Page: verify from your official BIS copy/PDF pagination
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