- 𝜎𝜎0 : (N/mm²)
- 𝐴𝐴: bij lagers: aanname dat d gelijk is
aan breedte lagers A = d²
Resulterende 2 + 𝐹𝐹 2
- 𝐹𝐹𝑎𝑎,𝑥𝑥 : De horizontale component van
𝐹𝐹𝑎𝑎𝑎𝑎𝑎𝑎 = �𝐹𝐹𝑎𝑎,𝑥𝑥 𝑎𝑎,𝑦𝑦
Afschuifkracht (= de reactiekracht in pen a (= de som
van alle horizontale krachten)
lagerkracht) in een
- 𝐹𝐹𝑎𝑎,𝑦𝑦 : De verticale component van de
punt a reactiekracht in pen a
(voor berekenen max.
optredende afschuifspanning)
Vloeigrens 𝐹𝐹𝐹𝐹 - Fy: (Mpa)
𝑣𝑣 =
𝜎𝜎
Stuik-buig en -wringingbelastingen
Stuikspanning 𝐹𝐹 - A = diameter * dikte v/d dunste plaat
𝜎𝜎𝑠𝑠 = ≤ 𝜎𝜎𝑠𝑠,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡
𝐴𝐴 - Stalen klinkverbindingen:
𝜎𝜎𝑠𝑠,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡 = (1,6 … 2) ∗ 𝜎𝜎𝑡𝑡,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡
- Stalen boutverbindingen:
𝜎𝜎𝑠𝑠,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡 = (1,2 … 2) ∗ 𝜎𝜎𝑡𝑡,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡
Buigbelasting/ 𝑀𝑀𝑏𝑏 - 𝑀𝑀𝑏𝑏 : buigend moment met waarde F*I
𝜎𝜎𝑏𝑏 = ≤ 𝜎𝜎𝑏𝑏,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡
buigspanning 𝑊𝑊𝑏𝑏 of F*l (l=afstand kracht middellijn)
- 𝑊𝑊𝑏𝑏 : weerstandsmoment tegen
buiging (mm³) zie formules tabel 4,
p. 27
Wringspanning 𝑀𝑀𝑤𝑤 - 𝑊𝑊𝑤𝑤 : weerstandsmoment tegen
𝜏𝜏𝑤𝑤 = ≤ 𝜏𝜏𝑤𝑤,𝑡𝑡𝑡𝑡𝑡𝑡𝑡𝑡
𝑊𝑊𝑤𝑤 wringing (mm³) zie meest
voorkomende secties tabel 6, p. 47
3
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