PSI - Issue 11

Antonio Bossio et al. / Procedia Structural Integrity 11 (2018) 394–401

400

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e / Structural Inte

grity Procedia 0

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a)

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ADRS DOMAND ADRS d ADRS c Bi-Linea Bi-Linea ADRS c BILINEARE ED ADRS EDIFICIO BILINEARE ED A.D.R.S CAPAC

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BILINEARE ED Bi-Line Bi-Linea ADRS c ADRS c BILINEARE ED ADRS CAPACE ADRS CAPACE

IFICIOCORROSO (MODO X+) EDIFICIO CORROSO (MODOX+ ar curve of corrod r curve of non-co apacity of non-cor apacity of corrode IFICIOINTEGRO ( MODO X+) EDIFICIO INTEGRO(MODO X+ )

) ed structure rroded structure roded structure d structure

b)

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d structure ed structure

2 ]

roded structure roded structure

S a (T) [m/s

S a (T) [m/s

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S d (T) [m]

S d (T) [m]

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8. ADRS capaci

ty and bi-linear c

urve of the struct

ure considering: retrofitted

(a) third level of structure. corrosion, sh increases of m guration the v 161.85 kN (6 sidering the f stirrups diam of level con

corrosion and fir

st configuration;

(b) non-corroded

and

Fig.

In slab, the s equa Bisk even perio struc

fact, consid while by usin econd level o l to 85.34 kN inis et al. (20 if the retrofi d, T r and th tures.

ering the seco g HPC the sh f corrosion an (38.27 kN fo 04) and NTC t increases th e value of P

nd and the t ear capacity d the third co r corroded st (2008), resp e shear capac GA, related

hird level of of the beams rrosion confi ructure) and ectively. Con ity because o to each kind

ear failure oc ore than 100 alue of shear 2.87 kN for c third level of eter is too t sidered and t

curred at bea %. As an exa capacity of re orroded struc corrosion, sh hin. Figure 9b o retrofitted

ms supportin mple, consid trofitted secti ture) accordi ear failure o shows the r and non-corr

g the ering on is ng to ccurs eturn oded

F ig. 9. (a) Bending

moment-rotatio

n in case of non

corroded, corrode corroded and retr

d and retrofitted ofitted structures

hinges; (b) Retu .

rn period of non

corroded structu

re,

6. C C Auth This asse

onclusions orrosion of i ors are work work aims t ssment of act

nternal steel ing since ma o outline the ual safety of

reinforcemen ny years on d different pha a reinforced

t in concrete ifferent tools ses of the ac concrete stru

is a great c to deal with tivity of a p cture affected

hallenge to different asp ractitioner sta by corrosion

face by struc ects of corro rting from th , by means

tural enginee sion of struct e diagnostics of destructive

ring. ures. and and