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Why is concrete taking 12 hours harden?
In Spain the crete is taking at least 12 hours to harden enough to put a steel trowel finish on it. The crete is cold to the touch, the sand feels like beach sand. We complete placing at 12 noon and at midnight the stuff is still cold and pasty. Does anyone know what they might be using in...- buc7
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- Replies: 2
- Forum: Concrete Engineering general discussion
