Subject: Re: [permaculture] Ferrocement water tank pix
Date: Mon, 17 Dec 2007 17:59:52 -0800
Charles,
Charles de Matas wrote:
For cylindrical tanks, I think only the hoop stress needs to be considered.[...]The hoop stess will be proportional to the depth of water and the diameter of the tank.
Diameter is not a consideration with regard to hydrostatic pressure,
only depth.
d.
--
David William House
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"The Complete Biogas Handbook" www.completebiogas.com
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(Rumi, a Persian mystic poet, quoted in Delight of Hearts, p. 77)
Re: [permaculture] Creek remediation
, (continued)