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Q: According to IS 800 : 2007, in the limit state design of steel structures, the limit state of strength does NOT include :
  • A. fracture due to fatigue
  • B. stability against overturning
  • C. corrosion and durability
  • D. rupture of the structure
Correct Answer: Option C - According to IS 800 : 2007- Limit state design– The design shall be based on characteristic value for material strengths and applied loads. The limit states are classified as– (i) Limit state of strength– Limit state of strength includes– (a) Loss of equilibrium (b) Loss of stability (overturning) (c) Rupture of the structure (d) Fracture due to fatigue (e) brittle failure etc. (ii) The limit state of serviceability– The limit state of serviceability includes– (a) Deformation and deflections (b) Vibrations (c) Reparable damage or cracks due to fatigue (d) Corrosion and durability (e) Fire etc.
C. According to IS 800 : 2007- Limit state design– The design shall be based on characteristic value for material strengths and applied loads. The limit states are classified as– (i) Limit state of strength– Limit state of strength includes– (a) Loss of equilibrium (b) Loss of stability (overturning) (c) Rupture of the structure (d) Fracture due to fatigue (e) brittle failure etc. (ii) The limit state of serviceability– The limit state of serviceability includes– (a) Deformation and deflections (b) Vibrations (c) Reparable damage or cracks due to fatigue (d) Corrosion and durability (e) Fire etc.

Explanations:

According to IS 800 : 2007- Limit state design– The design shall be based on characteristic value for material strengths and applied loads. The limit states are classified as– (i) Limit state of strength– Limit state of strength includes– (a) Loss of equilibrium (b) Loss of stability (overturning) (c) Rupture of the structure (d) Fracture due to fatigue (e) brittle failure etc. (ii) The limit state of serviceability– The limit state of serviceability includes– (a) Deformation and deflections (b) Vibrations (c) Reparable damage or cracks due to fatigue (d) Corrosion and durability (e) Fire etc.