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Civil Engineering QUESTION #6597
Question 1
The fundamental design philosophy of the Working Stress Method (WSM) is to:
  • Multiply loads by load factors to increase them
  • Increase material strengths by capacity factors
  • Reduce loads by load factors
  • Reduce material strength by using allowable (permissible) stress factors✔️
Correct Answer Explanation
In WSM (also called Allowable Stress Design), the actual material strength is divided by a factor of safety to obtain a reduced allowable (permissible) stress. Loads are kept at their service (unfactored) values.