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Q: For the design of the steel members which of the following is NOT a correct combination of Load as per IS 800 : 2007?
  • A. Dead load + erection load
  • B. Dead load + imposed load + wind + earthquake load
  • C. Dead load + wind or earthquake load
  • D. Dead load + imposed load
Correct Answer: Option B - As per IS : 800 : 2007, Cl 3.5.1, load combination for design purposes shall be these that produce maximum forces and effects and consequently maximum stresses and deformations. Following type of load combination considered– (i) Dead load + Imposed load (ii) Dead load + Imposed load + Wind or earthquake load (iii) Dead load + wind or earthquake load (iv) Dead load + erection load
B. As per IS : 800 : 2007, Cl 3.5.1, load combination for design purposes shall be these that produce maximum forces and effects and consequently maximum stresses and deformations. Following type of load combination considered– (i) Dead load + Imposed load (ii) Dead load + Imposed load + Wind or earthquake load (iii) Dead load + wind or earthquake load (iv) Dead load + erection load

Explanations:

As per IS : 800 : 2007, Cl 3.5.1, load combination for design purposes shall be these that produce maximum forces and effects and consequently maximum stresses and deformations. Following type of load combination considered– (i) Dead load + Imposed load (ii) Dead load + Imposed load + Wind or earthquake load (iii) Dead load + wind or earthquake load (iv) Dead load + erection load