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Long-TermDeflection Multiplier
SAFE allows for an elastic (linear) analysis or a *****ed deflection (non- linear) analysis. In a *****ed deflection analysis, SAFE takes into ac- count the reduction of the gross section properties resulting from the *****ing of the concrete, which results in an increase in the deflections.
When performing a *****ed deflection analysis, the user has the option to
assign a long-term deflection multiplier to each load case to account for behavior such as shrinkage and creep. Normally, a long-term deflection multiplier with a value greater than 1 should be applied only to per- manent load cases, such as the dead load case. All other temporary load cases (for example, live, wind, earthquake or snow) should use a factor of 1. The long-term deflection multiplier works only with the *****ed deflection analysis.
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SAFE allows for an elastic (linear) analysis or a *****ed deflection (non- linear) analysis. In a *****ed deflection analysis, SAFE takes into ac- count the reduction of the gross section properties resulting from the *****ing of the concrete, which results in an increase in the deflections.
When performing a *****ed deflection analysis, the user has the option to
assign a long-term deflection multiplier to each load case to account for behavior such as shrinkage and creep. Normally, a long-term deflection multiplier with a value greater than 1 should be applied only to per- manent load cases, such as the dead load case. All other temporary load cases (for example, live, wind, earthquake or snow) should use a factor of 1. The long-term deflection multiplier works only with the *****ed deflection analysis.
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