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ASCE 7-05 Page 51

ASCE 7-05 Page 51

ASCE 7-05 Page 51

(OP)
Figure 6-10 on page 51 of ASCE 7-05 identifies the Cp value to use for arched roofs.  How would you define "Windward Quarter and Center Half" for an arched roof. ASCE 7-05 does not provide any information regarding this.  I have attached two options which show two different interpretations.  Any input would be greatly appreciated.

Thanks  

   

RE: ASCE 7-05 Page 51

From the wording, I'd divide it based on arc lengths, but haven't examined the standard to confirm.

RE: ASCE 7-05 Page 51

2457F
I recommend you look at Dr. Kishor Mehta's book "Wind Loads: Guide to the Wind Load Provisions of ASCE 7-05". I have the ASCE7-02 edition and it covers your question. However, Dr. Mehta's 7-05 Guide answers your question using 7-05 requirements.  

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