INVESTIGATION OF POZZOLANIC BINDERS USING SULFO-CALCIC FLY ASHES

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SADR MOMTAZI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF SCHOOL OF ENGINEERING Year:2004 | Volume:16 | Issue:1 Page(s): 53-62

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Title

INVESTIGATION OF POZZOLANIC BINDERS USING SULFO-CALCIC FLY ASHES

Author(s)

SADR MOMTAZI A. | Issue Writer Certificate

Keywords

POZZOLANIC BINDERSQ4

FLY ASHESQ4

SULFO-CALCICQ4

SLAKINGQ4

GRINDIGQ4

X RAY DIFFRACTIONQ4

DIFFERENTIAL THERMAL ANALYSISQ4

Abstract

The FLY ASHES contain mainly quick lime (CaO), anhydrite (CaSo4) and larnite (βCa2SiO4). At ambient temperature and at normal consistency, their hydration leads to the formation of ettringite, slaked lime and gypsum. The crystallization of the ettringite causes quick cracking and splitting of the hydrated products. The ability of SULFO-CALCIC FLY ASHES to produce portlandite (Ca(OH)2),led for production of pozzolanic cements. The SULFO-CALCIC FLY ASHES are ground, then slaked either in ambient or hydrothermal conditions (2 or 6 hours at 1300c).The rate of hydration is investigated by study of compressive strength and analyses of the products by DIFFERENTIAL THERMAL ANALYSIS (DTA) and X-Ray Diffraction (XRD) at various hydration times. The results of this research show that SULFO-CALCIC FLY ASHES can be used for production of cheap and anti sulfate pozzolanic cements.

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APA: Copy

SADR MOMTAZI, A.. (2004). INVESTIGATION OF POZZOLANIC BINDERS USING SULFO-CALCIC FLY ASHES. JOURNAL OF SCHOOL OF ENGINEERING, 16(1), 53-62. SID. https://sid.ir/paper/22576/en

Vancouver: Copy

SADR MOMTAZI A.. INVESTIGATION OF POZZOLANIC BINDERS USING SULFO-CALCIC FLY ASHES. JOURNAL OF SCHOOL OF ENGINEERING[Internet]. 2004;16(1):53-62. Available from: https://sid.ir/paper/22576/en

IEEE: Copy

A. SADR MOMTAZI, “INVESTIGATION OF POZZOLANIC BINDERS USING SULFO-CALCIC FLY ASHES,” JOURNAL OF SCHOOL OF ENGINEERING, vol. 16, no. 1, pp. 53–62, 2004, [Online]. Available: https://sid.ir/paper/22576/en

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