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1 âÇpyât-t»â stÊ Çt-...»âdtÊ s,xà-ysyâd2

• dans le guide "Réparation et renforcement structuraux» [FABEM 6.3] :

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2 r...»âÇt1-àÇÊ0

2 rty»âàÇpvtÊ0

2 Çdv"pvtÊ st "p oe...àÊÊdt2

■âÇpçpàê s,d"pÇvyÊÊt-t»â tâ s,pàv-t»âpây...» sà sdq...àrxd C

> DeWmqb iÇpekab ab nÇlWnWpfkj bp/kq ab nbjcknYbibjp bop bslhfYfpÇb bj nbolbYpWjp, aWjo hW iboqnb aq lkoofXhb, hW lnÇobjpWpfkj ptlb oqfrWjpb :

1. Généralités - Doma

ine d"application ;

2. Documents de référence ;

3. Études préalables1 LdÊ...ÇsÇtÊ tâ rpàÊtÊ -Çpoeoet"Ê Êàrry»râÊ pçtr Çt»ç...yÊ b "p oepÇâyt

r...»ÊprÇdt b ",dây..."...vyt sp»Ê "t vàyst NHIMU :25 nÊè-oeâi-tÊ tâ rpàÊtÊo. U Jx...yê st "p

âtrx»y°àt st ÇdoepÇpây...» tâ3...à Çt»u...Çrt-t»â C

4. Choix des produits et matériaux ;

5. Matériels à utiliser ;

6. Préparation et exécution des travaux ;

7. Essais et contrôles ;

8. Réception d

es travaux.

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Q dtâ...àÇ pà Ê...--pyÇt Q

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7

GfWX W"Xdgcf] WXj Zl]WXj rdT"feeXi]Xt

OH? ?>DNDIH >O MSH>D=;N H;NDIH;F >?M ?HNL?JL?H?OLM MJy=D;FDMN?M >? NL;P;OR >? LyJ;L;NDIH ?N L?HAIL=?G?HN >? MNLO=NOL?M %MNLL?M" - EODH 0.//

> La réparation ou le renforcement d"un ouvrage en maçonnerie impose, dans la plupart des cas, de faire appel à plusieurs méthodes à la fois. Par exemple, dans le cas d"un pont voûte, il est souvent nécessaire de : ■md...dpd•iur-n" u(y»..."ipn A ■xn••y®n" un- zi"nvnx•- A ■"nsyrx•y®n" ui vicyxxn"rn A ■rxsnl•n" ui vicyxxn"rn zy»" "nlyx-•r•»n" un vy"•rn" mn qy»"mipn A ■nx-n""n" un- jixmni»° A ■"diur-n" »xn xy»...nuun lqizn m(d•ixlqdr•d A ■"divdxipn" un- d"»rznvnx•-â

Vy»" noonl•»n" ln- mrood"nx•n- yzd"i•ryx-. ru n-• oir• izznu i»° o[vkqghu g[ftlvhu gdpu nhu

jxlghu0R(i••nx•ryx n-• i••r"dn -»" u(rvzy"•ixln mn "diur-n" •y»•n- un- yzd"i•ryx- xdln--ir"n-.

mn lyy"myxxn" u(n°dl»•ryx mn- mrood"nx•n- vd•qymn-. "»r myr...nx• e•"n noonl•»dn- mix- »x

ln"•irx- y"m"n. mix- ln"•irxn- lyxmr•ryx- lurvi•r"»n-. i...nl y» -ix- zy--rjrur•d mn mdliuipn

mix- un •nvz-â. iorx mn xn zi- z"y...y"»n" n)drrdtlvlqp gh pqxyhdx" g[uqtgthu qx gh thpgth

nhu t[rdtdvlqpu qx nh thpiqtfhohpv rhx gxtdenhu0 > Exemples d"erreurs à ne pas commettre :

■"diur-n" »xn lyx•"n/...yj•n n• "noir"n un- syrx•- -ix- -(i--»"n" mn u(noorlilr•d mn

u(d•ixlqdr•d n• m» m"irxipn li". mix- ln li-. un zyx• mn...rnx• »xn ...d"r•ijun OErluflphÂA

■"nvn••"n nx d•i• •y»•n ui -»zn"-•"»l•»"n m(»x zyx• -ix- -(e•"n i--»"d mn u(d•i• mn-

oyxmi•ryx- A

■"diur-n" »x nxm»r• -»" un- zi"nvnx•- m(»x v»" nx vicyxxn"rn iuy"- "»n lnuun/lr n-•

ioonl•dn zi" mn- "nvyx•dn- lizruuir"n-â

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O Yn•y»" i» -yvvir"n O

L"gTiTk]fe Xk iXeYfiVXdXek xyvzfyzvdz"

LXVfejkilVk]fe gTik]XccX fl kfkTcX

WX gTik]Xj W"flmiTZXj

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>fVldXekj WX i"Y"iXeVX"!( >fdT]eX W"Tggc]VTk]fe"!" yklWXj gi"TcTUcXj"!) =[f]n WXj dTk"i]Tln"!,

GTk"i]Xcj ~ lk]c]jXi"!-

GfWXj fg"iTkf]iXj"!.

?jjT]j Xk VfekiØcXj"!/

L"VXgk]fe WXj kiTmTln %gfli d"df]iX""!0

D GT"feeXi]X D L"gTiTk]fe Xk iXeYfiVXdXekxyvzfyzvdz" D$0 -OH? ?>DNDIH >O MSH>D=;N H;NDIH;F >?M ?HNL?JL?H?OLM MJy=D;FDMN?M >? NL;P;OR >? LyJ;L;NDIH ?N L?HAIL=?G?HN >? MNLO=NOL?M %MNLL?M" - EODH 0.//

g» ...àçÇpvt t» -pc...»»tÇyt oetàâ »drtÊÊyâtÇ "p reconstruction partielle ou totale d"une de ses

partiespèp»â Êàqy à» t»s...--pvt-t»â y-oe...Çâp»â tâ Êy "tÊ pàâÇtÊ âtrx»y°àtÊ st ÇdoepÇpây...»

Ê...»â y»pspoeâdtÊ oe...àÇ ÇdÊ...àsÇt "t oeÇ...q"f-t2 Lt oe"àÊ0 si la maçonnerie est atteinte par

d"autres désordres-Êt»Êyqy"yâd pà vt"1sdvt"0 sÇpy»pvt sdutrâàtàê0 Çt-...»âdtÊ s,xà-ysyâd tâ st

Êt"ÊX.0 y" tÊâ y-oedÇpâyu st oeÇ...rdstÇ pàê ÇdoepÇpây...»Ê r...ÇÇtÊoe...»sp»âtÊ pçp»â ...à poeÇfÊ pç...yÇ

oeÇ...rdsd pàê âÇpçpàê st Çtr...»ÊâÇàrây...»2 > Lbo YWqobo abo bjakiiWdbibjpo lbqrbjp Épnb iqhpflhbo. Jh bop lkoofXhb ab Yfpbn :

■à» rx...r r...--t rt"ày s,à» çdxyrà"t ÊàÇ à» oepÇpoetâ C

■à»t ÇàoeâàÇt st rp»p"yÊpây...» C ■"p çdvdâpây...» tâ ÊàÇâ...àâ "tÊ Çpry»tÊ C ■à» puu...ày""t-t»â "...rp"yÊd C

■à» v"yÊÊt-t»â st âtÇÇpy» poeÇfÊ st u...ÇâtÊ oe"àytÊ C

■à»t ÇdoepÇpây...» »...» tuutrâàdt t» ât-oeÊ àây"t0 Ê...yâ oepÇ sdupàâ st ÊàÇçty""p»rt0 Ê...yâ oepÇ sdupàâ

st uy»p»rt-t»âX $6=B=0/@/>3B023C<0>=3 )")>fdT]eX W"Tggc]VTk]fe

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12

Q dtâ...àÇ pà Ê...--pyÇt Q

LXVfejkilVk]fe gTik]XccX fl kfkTcX WX gTik]Xj W"flmiTZXj Qnu"u tç 4 ? jllutiyjsjt" vfy"ojr i)"t s"y (fvâgmy tlsys Csih" Mmyysvdp) Qnu"u tç 5 ? jllutiyjsjt" vfy"ojr i)"tj vorj jt sfîuttjyoj (fvâgmy tlsys DDE 70) )")>fdT]eX W"Tggc]VTk]fe

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b...àÇ ÇdoepÇtÇ stÊ sdÊ...ÇsÇtÊ ât"Ê °àt rtàê ÊàÊçyÊdÊ0 y" çp up""...yÇ0 poeÇfÊ pç...yÇ -yÊ t» SÉCURITÉ

LA STRUCTURE,Êy qtÊ...y» tÊâ -dâpyt-t»â0 ry»âÇt oeÇ...çyÊ...yÇt0 q...à"...»»pvtX.0 oeàÇvtÇ "p

-pc...»»tÇyt sdÊ...Çvp»yÊdt tâ "p Çtr...»ÊâÇàyÇt t» upyÊp»â poeoet" pàê diverses techniques

applicables en construction neuvepàê -pc...»»tÇytÊ st oeytÇÇtÊ st âpy""t0 st -...t""...»Ê tâ st

qÇy°àtÊ2 g» Ê...y» oepÇâyrà"ytÇ tÊâ b poeoe...ÇâtÇ b "p "ypyÊ...» t»âÇt "p -pc...»»tÇyt r...»ÊtÇçdt tâ "p

-pc...»»tÇyt »...àçt""t2 )")>fdT]eX W"Tggc]VTk]fe

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.2

Q dtâ...àÇ pà Ê...--pyÇt Q

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mn ui H»u•»"n n• mn ui Hyvv»xrli•ryx / Ir"nl•ryx mn u(F"lqr•nl•»"n n• m» Vi•"rvyrxn,0

■Fusgptl j" hX"pslt" ? FVa 4203 ?y»..."ipn- nx vicyxxn"rn mn zn•r•- dudvnx•-0 Vi"yr- n•

v»"-0

■Fusgptl j" n[tpl ip-pr ? rl mgzipi"rl 86 j" EEVI ?•"i...i»° mn vicyxxn"rn m(y»..."ipn- mn

pdxrn lr...ru0 OPUC AE;0 >7E0 DX8XD7@57E0 @AD?3F;H7E0 6G0hcuekexng 86EA@F0 FAF3>7?7@F0 A4EA>ZF7E60 >7E

670?;E707@0QGHD7035FG7>E80

1.2>fVldXekj WX i"Y"iXeVX

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O Yn•y»" i» -yvvir"n O

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> Des investigations, des essais, voire des recalculs doivent être effectués pendant les

études préalables. En effet, il faut :

■md•n"vrxn" un- li»-n- mn- md-y"m"n- A ■vn••"n i» zyrx• un- vn-»"n- mn -i»...npi"mn A

■"dl»zd"n" un- zrn""n- •yvjdn- n• rmnx•rorn" un»" zy-r•ryx mix- ui -•"»l•»"n A

■z"yldmn" i» "nun...d. -»" »x zuix. mn u(nvzuilnvnx• mix- ui -•"»l•»"n mn •y»•n- un- zrn""n-

"»r mn..."yx• e•"n "nvr-n- nx zuiln )ln "nun...d zn»• e•"n lyvzud•d zi" mn- zqy•yp"izqrn- n•.

zy»" un- vyx»vnx•- qr-•y"r"»n- y» d"»r...iunx•-. zi" ui zqy•yp"ivvd•"rn, A

■mrood"nx•rn" un- zi"•rn- b "n-lrxmn" y» b mdvyur" mn- zi"•rn- -irxn- b lyx-n"...n". rmnx•rorn" un-

vi•d"ri»° mn vi»...ir-n "»iur•d b durvrxn" A

■"nlqn"lqn" »xn li""rf"n y» »xn j"r"»n•n"rn lizijun- mn oy»"xr" un- zrn""n- y» un- j"r"»n-

vix"»ix•n- A

■rmnx•rorn" un •®zn mn syrx• b "diur-n" n• un- vy"•rn"- b »•rur-n" A

■lqyr-r" un- •nlqxr"»n- mn "dzi"i•ryx- lyvzudvnx•ir"n- xdln--ir"n- zy»" "nmyxxn" »x

oyxl•ryxxnvnx• qyvypfxn b ui -•"»l•»"n )md...dpd•iur-i•ryx. rxsnl•ryx mn lyx-yurmi•ryxâ, n•

i--»"n" -i m»"ijrur•d )"donl•ryx mn ui lqizn m(d•ixlqdr•d n• m» m"irxipnâ, A

■"»ix•rorn" un- •"i...i»° b n°dl»•n"â

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1.3yklWXj gi"TcTUcXj

D Bl]WX A; 16

O Yn•y»" i» -yvvir"n O

LXVfejkilVk]fe gTik]XccX fl kfkTcX WX gTik]Xj W"flmiTZXj

JtÊ y»çtÊâyvpây...»Ê ...»â dvp"t-t»â oe...àÇ qàâ st sdâtÇ-y»tÇ la ou les méthodes de nettoyage

ou de préparation de surfaceoeÇdp"pq"t-Ê. b "p Çtr...»ÊâÇàrây...» oepÇâyt""t ...à â...âp"t st oepÇâytÊ

s,...àçÇpvt2

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1.3yklWXj gi"TcTUcXj

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