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Regarding the probably flexural strength of C5  

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Nan Li
(@1029953)
Active Member
Joined: 7 years ago
Posts: 8
06/05/2026 6:05 pm  

in 5.5.5.2.1. the Mprob is corresponding to the moment when the extreme concrete fibre reaches strain = 0.003.  Also, as per section C5.5.3.4.1  the bilinear approximation  rules  and C5.5.5.3.4.3, the curvature cap rules. the moment at curvature cap can be 20% approx less than the moment at 0.003 due to losing the lever arm of steel and concrete as the result of the spalling concrete cover. I am just wondering how this 20% moment difference is considered in the C5 framework. Thank you  


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