4 1 concretecomposition dreux
DESCRIPTION
Civil engineeringTRANSCRIPT
smasPaKkmµrbs;ebtug
Concrete Mix design
viFI eRdW Methode Dreux
smtßPaBrbs;ebtug• kMnt;eday³1- kMritrav ¬Edlvas;eday ]bkrN_GaR)am tageday sl¦2- PaBFn;mFümrbs;ebtug enAGayu28éf¶ fcm28
EdlTajecj BIPaBFn;pÞal; fck ¬PaBFn;KNnarbs;ebtug¦ eday rUbmnþxageRkam³
28cm ckf f k
• k CatMélsßitiedIm,IbMElg BI PaBFn;mFüm fcm eTA PaBFn;pÞal; fck
• sMrab; RdW
• sMrab; Eurocode
3 ; 30ckk MPa f MPa
8k MPa
5 ; 30ckk MPa f MPa
suIm:g; nig r)ayRKUs• suIm:g; ³ CaGgÁFatubnSI EdlkMnt;eday PaBFn;sgát; c28
• r)ayRKUs ³RKUsman\TæiBldl; PaBFn;mFümrbs;ebtug. \TæiBlenH tageday emKuN G EdlGacKNnatamry³BiesaFn¾ nig rUbmnþxageRkam
282
28
cm
cc
c w v
fGV
V V V
• Vc, Vw, Vv CamaDrbs; suIm:g;/ Twk nig xül;hM kñúgmYyEmRtKUbebtug• ebI G minsÁal; eyIgGacyk G=4.9.
CMhankñúgkarkMnt;smasPaBebtugkMnt; pleFob
w/c2
28 28c
cm cc w v
Vf GV V V
KNnaTwk W nig
suIm:g; C
KNnal,ayRKYs
¬xSac; nig RKYs¦
28
28
c cm
c w v c
V fcV V V G
1.w w w
c c c
VW cC V c
' w vW W V
' 1.w
c
W cC c
eyIgsÁal; kMritrav sl
Twklay W nig xül;hM
Vv' w vW W V
KNna C
rYc epÞógpÞa
t; PaBcuHs
Mrug eFobnwg RkahVIk
KNnamaD l,aysuIm:g
; Vpaste paste v
c w a
C W AV V
KNnamaD l,ayRKYs31G s pasteV V m V
BIsmamaRt G/S rWsÁal;
VG/Vs
KNnam::as; G,S
edayeRbI tarag nig RkahVIk
maDxül; kñúg 1m3
kMritrav
tMélkMritra
v
TMhMRKab;Gtibrmarbs;RKYs
D = 10 mm D = 16mm D = 25 mm
eKak 1-4 cm 35 ± 20 29 ± 18 22 ± 13
Tn; 5-9 cm 23 ± 12 19 ± 10 15 ± 7
rav 10-15 cm 20 ± 10 16 ± 9 12 ± 7
ravxøaMg
≥ 16cm 12 ± 9 10 ± 8 8 ± 6
brimaNTwklay CaGnuKmn¾ én
kMritrav
brimaNTwklay CaGnuKmn¾ én
kMritrav
brimaNTwklay CaGnuKmn¾ én
kMritrav
]TahrN_1- cUrrksmasPaB rbs; ebtugEdl man
PaBFn;mFüm fcm28=27MPa nig man kMritrav 8cm. edaydwgfa
vimaRtGtibrma rbs;RKYsKW D=25mm. suIm:g; man PaBFn; c28=44MPa
G=4.9w = 1 kg/l; g = 2.65 kg/l; c = 3.15 kg/l
2- cUrrksmasPaB rbs;ebtug xagelI ebI eyIgeRbI water-reducing admixture, A/C=0.5%. a = 1.8 kg/l
]TahrN_3- cUrrksmasPaB rbs; ebtugEdl man
PaBFn;mFüm fcm28=60MPa nig man kMritrav 17cm. edaydwgfa
vimaRtGtibrma rbs;RKYsKW D=25mm. suIm:g; man PaBFn; c28=52.5MPa
G=4.9w = 1 kg/l; g = 2.65 kg/l; c = 3.15 kg/l, a = 1.8 kg/l
ebI eyIgeRbI water-reducing admixture .