Abstract
In current article results of research of composite low-water demand cement (LWDC) based on Angarsk plant’s cement CEMII/A-F 32,5R, dump ash from TPP-10, marble powder from Sludjanskoj quarry and micro silica from LLC “Bratsk ferritic alloys plant” (Irkutsk region) are performed. Goal of the study is development of efficient ecology-friendly technology for high-quality cements with raw materials local to Irkutsk region. As a result of the study, technological, physical and mechanical properties of cement paste in fresh and hardened state were determined. Standard consistency W/B of LWDC-based cement pastes’ could be changed in range between 19 and 26%, and compressive strength of hardened cement paste can be variated from 22 to 60 MP. 2-stage 3-factor regressive analysis for compressive strength values of hardened cement paste at age 3,7,28 and after thermal curing was done, regression equations were obtained.
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