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Post by colemen18 on Jun 25, 2009 5:54:11 GMT -5
Were working on a new mix design and the requirments of the design is we have to reach 3000 psi in six hours. We are trying to achieve this without switching to a type III High early cement. Currently were testing a 9 bag with 2% non chloride. It come close but not good enough! Im just looking for some suggestions or ideas. Thanx boyz!
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Post by Mort on Jun 28, 2009 13:30:34 GMT -5
What's the hangup about Hi Early?
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gant
Junior Member
Posts: 12
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Post by gant on Jun 28, 2009 17:00:23 GMT -5
I can talk to one of the quality guys at work who designs all our mixes.. we've got something that broke over 3000 in a few hours.. its a pavement repair
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Post by colemen18 on Jul 1, 2009 18:27:46 GMT -5
I would appreciate that!
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Post by colemen18 on Jul 1, 2009 18:29:40 GMT -5
Hi early is just a different type of cement, and costs a little more
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gant
Junior Member
Posts: 12
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Post by gant on Jul 1, 2009 18:50:23 GMT -5
are you wanting something with type III or just regular cement because the mix we use is regular cement and breaks alot better than III
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Post by colemen18 on Jul 3, 2009 14:23:24 GMT -5
Just regular!
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Post by Mort on Aug 1, 2009 12:47:10 GMT -5
We just did a trial with a bunch of Type III, about 35 gallons of accelerator (in a 4 yard load!), and it broke 3755lbs in 5 hours. I don't have the particulars (and couldn't publish them anyway), but the internal temperature was 161 degrees (surface temp 148!) after those 5 hours. First test cylinder I've ever felt that I couldn't carry without gloves.
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