Environmental Aspects in Secondary Conctruction Materials Production

Abstract eng:
In this paper some production processes and possibilities of alkaline activation of fly ash are examined. This fly ash is used as a binder in new type of concrete without cement binder, called POPbeton. Program was focused on „cold way“ preparation of POPbeton without necessity of heating. In this program same types of so called „intenzifikaror” were used. These „intenzifikátor“ causes hardening of POPbeton mixture. Samples of cold way prepared POPbeton were explored with electron microscope and they were compared with POPbeton samples prepared with heating. This technology is following step to use waste materials such as fly ash and slag.

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