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I need to design a vaulted roof under wind loads and need to determine the pressure coefficients for zones A, B and C. My problem is with zone A where I need to interpolate values for the case h/d<0.5 (in my case it is 0.3) and f/d=0.25.

As per the code I were to use both positive and negative values of A for h/d>0.5 but since h/d=0.3 for me then I need to interpolate by taking h=0 reference line and the h/d>0.5 line. As you can see in my sketch (last case) there are 2 lines defining zone A and I am not sure which one to use for linear interpolation?

I will appreciate any help, thx in advance.

enter image description here

VCN
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1 Answers1

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THe second note says: for $0,2 \le h/d \le 0,3$ and $h/d \ge 0,5$, two values of $C_{pe,10}$ have to be considered. In another word, only a single $C_{pe,10}$ needs to be considered for other cases. Your case falls into the latter category, so $C_{pe,10} \approx 0,3$.

enter image description here

r13
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