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79<br />

Axial stress in concrete top slab – continuity support section<br />

0,00<br />

0 50 100 150 200 250 300 350 400<br />

-2,00<br />

Tiro Internal dei cavi tendons interni<br />

prestressing<br />

Anime Flat webs lisce<br />

Anime Corrugated corrugate webs<br />

Axial stress [MPa]<br />

Tensioni Normali [MPa]<br />

-4,00<br />

-6,00<br />

-8,00<br />

-10,00<br />

-12,00<br />

First 50% of external<br />

Tiro dei cavi esterni<br />

campate<br />

prestressing<br />

laterali (50%)<br />

on<br />

lateral spans<br />

First Tiro 50% dei cavi of esterni external<br />

prestressing campate centrali on central (50%)<br />

spans<br />

Tempi [gg]<br />

Time [days]<br />

Permanent loads<br />

introduction<br />

Applicazione carichi<br />

permanenti portati<br />

Ritesatura Second cavi 50% esterni of<br />

external prestressing<br />

everywhere

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