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<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff
size=2>Ian,</FONT></SPAN></DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff size=2>Here
is a great website that is all about concrete and nothing but concrete.
</FONT></SPAN></DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff size=2><A
href="http://www.concretethinker.com">http://www.concretethinker.com</A></FONT></SPAN></DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff size=2>You
might find an answer there.</FONT></SPAN></DIV>
<DIV><SPAN class=272275500-20012007></SPAN><SPAN
class=272275500-20012007></SPAN><SPAN class=272275500-20012007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=272275500-20012007><FONT face=Arial color=#0000ff size=2>...Tom
White</FONT></SPAN></DIV>
<DIV><SPAN class=272275500-20012007>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>
<DIV><SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></SPAN></SPAN></DIV><FONT
face=Arial size=2>503.345.6246 | <A
href="mailto:twhite@glumac.com">twhite@glumac.com</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Glumac</FONT></DIV>
<DIV><FONT face=Arial size=2>320 SW Washington, Suite 200</FONT></DIV>
<DIV><FONT face=Arial size=2>Portland, OR 97204-2640</FONT></DIV>
<DIV><FONT face=Arial size=2>T. 503.227.5280
F. 503.274.7674 </FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.glumac.com/">http://www.glumac.com</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV><FONT face=Arial color=#0000ff
size=2></FONT></SPAN></DIV>
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size=2></FONT></SPAN> </DIV>
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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com]<B>On Behalf Of </B>Ian Doebber<BR><B>Sent:</B>
Friday, January 19, 2007 2:03 PM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Subject:</B> [BLDG-SIM] increasing concrete slab
conductivity<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Anyone know of a common and cheap
procedure to add a material to a concrete pour to drive up its conductivity from
a common 1.6 to 1.7 W/m-K. We don’t want to add rebar nor a wire
mess. I’m thinking of pulverized metal material that would not corrode
within the conrete reducing the strength, causing cracks/discoloration.
I’d be appreciative if anyone knew of any research or currently applied
practices. <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">With radiant tubing buried a further
depth below the finished surface, want to increase the dynamic response of the
slab.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:PersonName w:st="on"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt">Ian
Doebber</SPAN></FONT></st1:PersonName><o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Arup<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Mechanical Engineer<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Office : 415-946-0292<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Fax : 415-957-9096<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Cell : 415-613-4314<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV><PRE>____________________________________________________________
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