At 01:58 PM 23/08/1999 , Ali Elmi wrote:
Egon,
For evidence that concrete is in fact porous, all you have to do is look at
the black streaks near the top of Hoover Dam, which are the result of water
seeping through the dam over the years....
I don't understand. If it is indeed leaking, why is it doing so near the
top? One would expect a leak at the bottom, where the water pressure is
highest.
Does not compute ...
Egon :-)
__________________________________________
Egon H. Varju, PEng
E.H. Varju & Associates Ltd.
North Vancouver, Canada
Tel: 1 604 985 5710 HAVE MODEM
Fax: 1 604 273 5815 WILL TRAVEL
E-mail: [email protected]
[email protected]
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