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Appendici - CNR

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IndIrIzzI e crIterI per la mIcrozonazIone sIsmIca III Abachi di riferimento [ 162 ]<br />

Creste appuntite<br />

L < 150<br />

€<br />

Creste arrotondate<br />

€<br />

0.40H<br />

L F = e<br />

a0.1−0.5<br />

0.47H<br />

L F = e<br />

a0.1−0.5<br />

Tabella 3.3‑2 – Abaco per scarpate rocciose.<br />

Classe altimetrica Classe di inclinazione Valore di F a Area di influenza<br />

10 m ≤ H ≤ 20 m 10° ≤ α ≤ 90° 1.1 A i = H<br />

20 m < H ≤ 40 m 10° ≤ α ≤ 90° 1.2 A i =<br />

H > 40 m<br />

10° ≤ α ≤ 20° 1.1<br />

20° < α ≤ 40° 1.2<br />

40° < α ≤ 60° 1.3<br />

60° < α ≤ 70° 1.2<br />

α > 70° 1.1<br />

€<br />

€<br />

A i =<br />

3<br />

4 H<br />

3<br />

4 H

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