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#1
12-28-2010, 11:38 AM
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| DNV standard for certification No.2.21 Vs ISO 12215-5 Regarding the FRP stiffener requirement moment of inertia,there are big different between DNV and ISO. DNV CH.4 Sec.4 E200 I=36.4*d*fi*P*b*l^3 cm^4 fi=7000/Ea ISO 12215-5 I=((26*(kcs^1.5)*P*s*lu^3)/(k1s*Etc))*10^-11 cm^4 k1s=0.05 (y/lu) Does anyone have idea about it? the results of DNV and ISO have big different.  |
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