Overall safety factor
30.3
Eqn. 1
Overall safety factor | jges | = |
Safety factor | jp | = | ||||
Temperature factor | KT,p | = |
Calc 1
Total safety factor for static proof89
Applicable only for ductile materials (A > 6%) and only applies to Rp / Rm ≤ 0.75. The equation is only to be used if the load assumption can be assumed to be sufficiently safe. These can be determined analytically or numerically or by measurement.
Schadensfolge hoch | Schadensfolge mittel | Schadensfolge niedrig | |
---|---|---|---|
jp | 1.5 | 1.4 | 1.3 |
Tbl. 1 Single safety factor89 |
Only applicable at normal or short-term high temperatures.
Eqn. 2
Temperature factor | KT,p | = |
Temperature | T | = | °C |
Calc 2
Temperature factor fine-grain structural steel, T > 60 °C 89
The temperature factor KT,p only applies to short-term exposure to temperature.
89
Rennert, R. et al / Rechnerischer Festigkeitsnachweis für Maschinenbauteile / VDMA / Frankfurt / Main / 2012 / 6. Auflage