Sulphate resistance and passivation ability of the mortar made from pozzolan cement with zeolite
作者： I. Janotka , L’. Krajči
DOI: 10.1007/S10973-008-9180-2
关键词: Clinker (cement) 、 Pozzolan 、 Cementitious 、 Materials science 、 Pozzolanic reaction 、 Cement 、 Metallurgy 、 Pozzolanic activity 、 Portland cement 、 Zeolite
摘要: Sulphate resistance and passivation ability of the mortars made from pozzolan cement CEM IV/A (P) type according to European Standard EN 197-1 (zeolite blended with 60.82 mass% PC clinker, 35.09 zeolite 4.09 gypsum abbreviated as ZBC) ordinary Portland (abbreviated PC) are introduced. Resistance tests were performed in water 5% sodium sulphate solution (both 20°C) for 720 days. The increased relative that was found. key quantitative insight into hydrate phase behaviour is given by thermal analysis. This due pozzolanic reaction resulting reduction formed Ca(OH)2 opposite reference PC. Ability cements 15 50 protect steel against corrosion verified 20°C/85% RH-wet air within 180-day cure. Steel not corroded containing up 35 zeolite. Pozzolan a suitable cementitious material concrete structures exposed attack. protected this same measure
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