Civil Engineering MCQAE Level Civil Engineering
As per IS 456:2000, the maximum axial load capacity of a short column with helical reinforcement (spiral column) is:
RCCShort Column Axial LoadMEDIUM
Choose the correct answer
A
0.4f_ck A_c + 0.67f_y A_sc
B
0.4f_ck A_c + 0.67f_y A_sc (same as tied column)
C
1.05 times the tied column capacity
D
1.1 times the tied column capacity
Correct Answer
C. 1.05 times the tied column capacity
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IS 456 Cl. 39.4: Spiral columns are considered to have 5% higher load capacity than equivalent tied columns. Strength of spiral column = 1.05 × (0.4 f_ck A_c + 0.67 f_y A_sc).
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