Multiple choice

For limit state of collapse, the partial safety factors recommended by IS 456 : 2000 for estimating the design strength of concrete and reinforcing steel are respectively

  1. 1.15 and 1.5

  2. 1.0 and 1.0

  3. 1.5 and 1.15

  4. 1.5 and 1.0

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Partial safety factor for concrete is 1.5 and for steel is 1.15. High value of safety factor for concrete suggests that greater variation of properties of concrete than steel.