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Re: ASCE 7-95 Wind Loads

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To whom it may concern,

I have changed my e-mail address.  It is no longer ajha(--nospam--at)pacbell.net.  The new
e-mail address is nhsr(--nospam--at)hotmail.com.  Please e-mail me all your messages to the new
address because I will not be receiving any e-mail at the old address.

Sincerely,
Noel Hurtado Sr. P.E.

Roger Turk wrote:

> Lew,
>
> Look at Table 4(e) [page 1162] ASCE Transactions, Part II, Vol. 126, 1961 for
> the wind forces on a saw-toothed roof.  Wind coefficients at the valleys are
> -0.6, wind coefficients at the ridges are -1.3 away from gabled end, -2.0 at
> gabled end, wind normal to ridge line.
>
> In order to know what ASCE 7-95 intended, they should have shown a plan and
> elevation for a saw-toothed roof, not for a plan and elevation of the same
> single span module that is shown in figure 6-5B.  See also cryptic note 9 for
> figure 6-5 on page 23 of ASCE 7-95.
>
> A. Roger Turk, P.E.(Structural)
> Tucson, Arizona
>
> Lew Midlam wrote:
>
> . > I disagree with Roger.  Some guidance on this question can be gleaned from
> . > ASCE 7-95, Figure 6-6, which refers to multi-span gabled roofs.
> . >
> . > Note that the valley edges of the 'single-module' are all considered as
> . > zone 2.
> . >
> . > Lew Midlam, PE
> . >
>