What is the difference between "working stress method"
And "limit state method"?
Answer Posted / nishant ratan bhardwaj
working stress method(WSM) 1- insure safety of structure against service load only
limit state method(LSM)1-insure safety of structure against both ultimATE and service load
WSM2-assumed to be deterministic because all load ,stresses ,factor of safety are already known
LSM2-non deterministic loads and stresses and load are predicted based on design data or experience of engineer
WSM3- based on linear stress distribution diagram
LSM3-based on non linier stress distribution diagram
WSM4- design values are obtained by applying factor of safety
LSM3- by applying paetial factor of safety
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