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Long Term Analysis

Long term analysis is not a different type of analysis as such. Instead it is an analysis where creep is taken into account for concrete materials. A creep coefficient φ\varphi is specified and this is used in the analysis to give effective EE and GG values for the concrete materials.

Eeff=E1+φGeff=G1+φ\begin{aligned}E_{eff} &= \frac{E}{1+\varphi}\\ G_{eff} &= \frac{G}{1 + \varphi}\end{aligned}