Hi gang,
  My information may be out of date but I was taught that the strongest
concrete is made by using the LEAST water that will make a useable mix.
Bob Barns

Gary Lindgren wrote:
> 
> Scott,
> What strength are you looking for the mix you used. Was there any rock in
> the mix.
> Gary
> 
> -----Original Message-----
> From: psn-l-request@..............
> [mailto:psn-l-request@................. Behalf Of beezaur
> Sent: Wednesday, March 12, 2003 4:51 PM
> To: PSN-L@..............
> Subject: concrete tests
> 
> Hi all,
> 
> Just an FYI in case you are interested.  I will be testing the material
> properties of the 1:1 sand:cement mix used for seismometer peirs and
> sometimes as a structural member of the device itself.
> 
> I will be testing cylinders in a compression test which gives elastic
> modulus and compressive strength directly.  It also gives a good
> estimate of tensile strength and toughness.  The plan is to test one
> batch moist cured for 28 days and one batch air cured for after 7 days
> of moist cure.  Thermal properties will have to wait, as there is still
> a lot of gel in the mix at 28 days.
> 
> If anyone would like to see any variations on the above, please let me
> know.  I will be filling molds by 20-Mar.
> 
> Scott
> --
> A day without math is like a day without sunshine.
> 
> __________________________________________________________
> 
> Public Seismic Network Mailing List (PSN-L)
> 
> To leave this list email PSN-L-REQUEST@.............. with
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
> 
> __________________________________________________________
> 
> Public Seismic Network Mailing List (PSN-L)
> 
> To leave this list email PSN-L-REQUEST@.............. with
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
__________________________________________________________

Public Seismic Network Mailing List (PSN-L)