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How long can concrete remain in the delivery truck before its no good?

April 26, 2017concrete DELIVERY good remain truck

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How long can concrete remain in the delivery truck before its no good?

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The recommended time from when concrete is batched until it is considered “no good” is 2 hours, when the temperature is between 60 F and 80 F. If the temperature is lower, it may take a little longer for the concrete to begin accelerated hardening. When the temperature is higher, it is wise to monitor the concrete temperature, and if it rises above 90 F, discard the balance of the load.