m - ACES

m - ACES m - ACES

aces.upatras.gr
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80 Axial stress in concrete top slab – continuity support section -7,00 100 1000 10000 100000 Axial stress [MPa] Tensioni Normali [MPa] -8,00 -9,00 -10,00 -11,00 Anime Flat webs lisce Anime Corrugated corrugate webs 377 377 days: gg. end of construction 50 years: end of 50 anni service life -12,00 Tempi [gg] Time [days]

81 Axial stress in concrete bottom slab – continuity support section 0,00 -2,00 0 50 100 150 200 250 300 350 400 Internal tendons prestressing Tiro dei cavi interni Anime Flat webs lisce Anime Corrugated corrugate webs Axial stress [MPa] Tensioni Normali [MPa] -4,00 -6,00 First 50% of external prestressing on central Tiro dei cavi esterni campate spans centrali (50%) First 50% of external prestressing on lateral spans Tiro dei cavi esterni campate laterali (50%) Second 50% of external prestressing everywhere Ritesatura cavi esterni -8,00 -10,00 Permanent loads introduction Applicazione carichi permanenti portati Tempi [gg] Time [days]

81<br />

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

0,00<br />

-2,00<br />

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

Internal tendons<br />

prestressing<br />

Tiro dei cavi interni<br />

Anime Flat webs lisce<br />

Anime<br />

Corrugated<br />

corrugate<br />

webs<br />

Axial stress [MPa]<br />

Tensioni Normali [MPa]<br />

-4,00<br />

-6,00<br />

First 50% of external<br />

prestressing on central<br />

Tiro dei cavi esterni<br />

campate spans centrali (50%)<br />

First 50% of external<br />

prestressing on lateral spans<br />

Tiro dei cavi esterni<br />

campate laterali (50%)<br />

Second 50% of external<br />

prestressing everywhere<br />

Ritesatura cavi esterni<br />

-8,00<br />

-10,00<br />

Permanent loads<br />

introduction<br />

Applicazione carichi<br />

permanenti portati<br />

Tempi [gg]<br />

Time [days]

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