3. Mixing and preparing
.The first is to mix the geopolymer paste. The fly ash is mixed with cement in the mixer. Then pour the solution into the mixture for 5 minutes. Add into the mix solution a 2 minutes. To geopolymer paste with meat thoroughly.Walk on 1 mixer for minutes. Will be mixing geopolymer porous concrete with casting pouring the sample. The handsome and heave tight samples with steel rods ram.Leaving some at room temperature for 1 hours. Then the sample baked at specified time 48 hours. At the end of the time, the sheep and the plastic wrap and the curing temperature, relative humidity, 50 25 CUntil the age of test sample
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