Abstract
Gypsum-Cement-Pozzolanic binder (GCPB) has been invented in 60-s of last century in USSR by group of scientists under Mr. A. Volzhenskiy leadership. In that time in USSR and actually in US construction technological processes of civil and industrial buildings increasing a lot. So demand of cement for heavy concretes as a main component high up day to day, year to year. But realisation of that idea in practical way wasn’t easy thing because as we know from «Material science» course – cement is hydraulic binder which hardening in moisture condition or in must cases in water and if we sae about gypsum is an air binder. That means gypsum is hardening and gets its high compression strength in air condition and loosing that strength in moisture condition or under influence of water. After analysing knowledge that have been written above about GCPB we may stay some problems in front of us: 1) First problem connect with modern theoretical physical-mechanical and physical-chemical researches absence, when GCPB hardening process have been described by modern X-Ray spectroscopy and mineralogical analysis. All what we have found in internet resources is basic and theoretical issue with some mechanical tests. 2) Also the main problem when we start see on that researches and mechanical tests, there are some conflicting things as links for technical requirements of GCPB through ages, storage conditions before tests. So according by what we have said above we choose some targets of our research: a) How gypsum binder’s physical-mechanical characteristics going to change as it would be main stuff for GCPB preparing. And also transition process gypsum binder(GB) in gypsum-cement binder (GCB) and then in gypsum-cement-pozzolanic binder (GCPB); b) How gypsum binder’s physical-chemical characteristics going to change during transition process in GCB and then into GCPB with X-Ray spectroscopy analysis.
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