FAQ 004393 EN-US

Helpful Questions & Answers

  • Frequently Asked Questions (FAQs)

Why can I specify a "creep-producing permanent load" in RF‑CONCRETE Columns and not in RF‑CONCRETE Members?

Answer

The RF‑CONCRETE Columns add-on module allows you to define a "creep-producing permanent load." You can find the corresponding tab in Window "1.1 General Data."

Figure 01 - Window "1.1 General Data" with Tab "Creep-Producing Permanent Load"

The reason for the entry is that RF‑CONCRETE Columns can apply this "creep-producing permanent load" for the automatic determination of the effective creep ratio according to EN 1992‑1‑1, 5.8.4.

In contrast, there is no explicit input option for this creep-producing permanent load in RF‑CONCRETE Members. In RF‑CONCRETE Members, the stability analysis of reinforced concrete columns by means of nonlinear design does not automatically reduce the effective creep ratio. You can find the background to the effective creep ratio applied in RF‑CONCRETE Members in Chapter 2.4.6 of the RF-CONCRETE Members manual.

The same applies to the CONCRETE Columns or CONCRETE add-on modules for RSTAB.

Keywords

Stability Buckling Creep Permanent load Column Model column method Curvature

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  • Updated 03/25/2021

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