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70<br />

Axial stress in concrete bottom slab – midspan key segment<br />

2,00<br />

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

1,00<br />

Axial stress [MPa]<br />

Tensioni Normali [MPa]<br />

0,00<br />

-1,00<br />

-2,00<br />

-3,00<br />

-4,00<br />

-5,00<br />

-6,00<br />

First 50% of external<br />

Tiro dei cavi esterni<br />

prestressing on<br />

campate<br />

central<br />

centrali<br />

spans<br />

(50%)<br />

Applicazione Permanent loads carichi<br />

permanenti introduction portati<br />

-7,00<br />

-8,00<br />

-9,00<br />

Tempi [gg]<br />

Time [days]<br />

Second 50% of external<br />

prestressing<br />

Ritesatura<br />

everywhere<br />

cavi esterni

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