Question:
When calculating deformations in RF‑CONCRETE Members, I see inconsistencies in the deflection diagram. Why?
Answer:
In RF‑CONCRETE Members, the deformation in the cracked state is determined using a coefficient "ζ" (according to EN 1992‑1‑1, 7.4.3 with similar concepts applied to the ACI 318 and CSA A23.3 standards). For this simplified method, the coefficient ζ is only determined once per member and the linear deformation is scaled up according to the governing location in the member.
In this context, it is possible to determine different coefficients ζ for each member. When scaling the linear deformation, sudden drops occur between the individual members.
To avoid this effect, we recommend using sets of members.
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