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https://www.finehomebuilding.com/forum/concrete-working-time
Mar 04, 2006 · It did not 'kick' quickly, as I was told it probably would. It was 4:00 or so before we could start getting a really tight finish by hand, and 5:00 before the power trowel was working correctly on the half that we poured first. It was too dark to see the work by about 6:30, so we called it done.
https://www.engr.psu.edu/ce/courses/ce584/concrete/library/materials/Admixture/Link-settime.htm
Approximate Setting Time (hours) 100 o F (38 o C) 1-2/3: 90 o F (32 o C) 2-2/3: 80 o F (27 o C) 4: 70 o F (21 o C) 6: 60 o F (16 o C) 8: 50 o F (10 o C) 11: 40 o F (4 o C) 14: 30 o F ( …
https://www.qualityengineersguide.com/what-is-the-allowed-time-for-the-concrete-discharge
Dec 08, 2017 · Well in my experience as a QA/QC engineer I have read several standard on concrete.one of the most like standard is Australian standard of opc concrete expiring time.it indicates if the temprature of concrete is between 32c -35c then the elapsing time will be 45minute only.and if it is 32c then it will me 90minute and if it is between 28c -23c then it will be 2.5 hours.I have furthur …Estimated Reading Time: 5 mins
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