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Re: psi

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Unfortunately kg/cm2, the "bastard" unit, is still the operational unit
for steel and concrete stresses/strength in South America and Mexico
(I can't speak for Central America).

Construction materials are specified/sold by the kilo or metric ton (1000
kg) as well.  Just you try to mention "kiloNewton" or "MegaPascal" over

Maria I. Falconi
Guayaquil, Ecuador

-----Original Message-----
From: Christopher Wright <chrisw(--nospam--at)>
To: SEAOC Newsletter <seaint(--nospam--at)>
Date: Friday, October 09, 1998 8:48 AM
Subject: Re: psi

>Kg/cm^2 is a bastard unit, as every veteran of the ISO crusade knows. I'm
>assuming Leopoldo is taking Kg as a force equal to the weight of a mass
>of 1 Kg. That equivalence violates the current dogma of the dimensionally
>pure, but it's good enough to get you enough tomatoes for pasta sauce.
>Christopher Wright P.E.    |"They couldn't hit an elephant from
>chrisw(--nospam--at)        | this distance"   (last words of Gen.
>___________________________| John Sedgwick, Spotsylvania 1864)