Posted Jan 15, 2011, 2:51 AM
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Registered User
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Join Date: Jun 2009
Location: saskatoon
Posts: 536
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im a second yr apprentice carpenter, and you can use tarps and heaters, or accelerators in the concrete, the best temperature to pour concrete in is 5- 10 degrees, if you tarp and heat, and temperature is above ten, that will be perfect, you will not get maximum strength within your conrete, if you do not tarp and heat, rebear has to be warm to be able to stick to the concrete as well, if not heated or tarp, concrete will be poor and your rebar will not stick, i was on a bridge in calgary, we were to pour one day, but the pour was cancelled for a day due to the cold rebar.
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