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Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

(OP)
I am bit confused using this kind of graph. Can someone help me to figure this out how to get the value of External pressure coefficient for windward, leeward and side wall..thanks in advance.

RE: Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

Are you aware that these forces are for the components and cladding only, not the lateral or uplift resisting systems of the building?

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

RE: Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

Walls are assigned zones 4 and 5. For windward wall use positive values of GCp which is given at the bottom of the chart. For leeward and side walls use negative values of GCp. The values of GCp are a function of effective wind area which may or may not be same as the tributary area. See thread507-251850: Effective wind area for explanation.

RE: Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

I suggest you buy a copy of "Guide to the Use of the Wind Load Provisions of ASCE 7-02" by Kishor C. Mehta, James Delahay. Newer version might be available.

It has lots of solved examples and very cheap investment.
 

Regards,
Lutfi
 

RE: Using Figure 6-17 of ASCE 7-05 (Components and Cladding)

(OP)
To msquared48

Of course I am aware mike, I only asked how to obtain the coefficient for the external pressures. I do some calculations for mwfrs only and not for the components and cladding. So I am new with this thing. Thank you anyway.

To Lufti

Thank you for the suggestion, appreciate that. But I don't have to spend money for my simple problem if someone like DST148 is there to give help to those who are in need.

To DST148

Thank you so much for answering directly to my problem and I really appreciate your help, actually that is the only thing I need to know. Keep it up...God Bless..

Regards
 

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