THE SURVEY POZZOLANIC POTENTIAL VOLCANIC ROCKS OF CENTRAL ALBORZ

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RAHIMZADEH B.; MASOUDI F.; FATEMI AGHDA S.M.; PARHIZKAR T.; POURKHORSHIDI A.R.

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Journal: Researches in Earth Sciences Year:2011 | Volume:1 | Issue:4 Page(s): 51-64

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Title

THE SURVEY POZZOLANIC POTENTIAL VOLCANIC ROCKS OF CENTRAL ALBORZ

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Keywords

THERMOGRAVIMETRYQ2

RESISTANCE INDEXQ3

DETERMINATION OF THE EQUILIBRIUM CONCENTRATIONQ3

POZZOLANIC ACTIVITYQ2

CENTRAL ALBORZQ2

Abstract

Various volcanic rocks of different ages especially of Cenozoic are exposed in CENTRAL ALBORZ. Some of volcanic unit’s with the low crystal and high glass content are used in cement industry. After sampling, the volcanic rocks, based on their petrography and geochemical studies, 13 samples were prepared to use in pozzolanic cement. Petrographic studies revealed that non zeolithic alternation is a dominant event that reduce the POZZOLANIC ACTIVITY. In this study, three different methods are used to determine pozzolanic characteristis and results were compared. Obtained results from CENTRAL ALBORZ volcanic rocks show that RESISTANCE INDEX method, according to ASTMC618, is not compatible whit thrmogravimetry and equilibrium concentration determination methods. However, the result of THERMOGRAVIMETRY method (STA-tg) is well compatible whit the equilibrium concentration determination method according to the EN196-5.The observed results obtained from RESISTANCE INDEX method (ASTMC618) cannot be use to determine POZZOLANIC ACTIVITY as a sole evaluation indicators. Petrography of rocks as a complementary feature of chemical characteristics is very useful and decisive.

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APA: Copy

RAHIMZADEH, B., MASOUDI, F., FATEMI AGHDA, S.M., PARHIZKAR, T., & POURKHORSHIDI, A.R.. (2011). THE SURVEY POZZOLANIC POTENTIAL VOLCANIC ROCKS OF CENTRAL ALBORZ. RESEARCHES IN EARTH SCIENCES, 1(4), 51-64. SID. https://sid.ir/paper/207328/en

Vancouver: Copy

RAHIMZADEH B., MASOUDI F., FATEMI AGHDA S.M., PARHIZKAR T., POURKHORSHIDI A.R.. THE SURVEY POZZOLANIC POTENTIAL VOLCANIC ROCKS OF CENTRAL ALBORZ. RESEARCHES IN EARTH SCIENCES[Internet]. 2011;1(4):51-64. Available from: https://sid.ir/paper/207328/en

IEEE: Copy

B. RAHIMZADEH, F. MASOUDI, S.M. FATEMI AGHDA, T. PARHIZKAR, and A.R. POURKHORSHIDI, “THE SURVEY POZZOLANIC POTENTIAL VOLCANIC ROCKS OF CENTRAL ALBORZ,” RESEARCHES IN EARTH SCIENCES, vol. 1, no. 4, pp. 51–64, 2011, [Online]. Available: https://sid.ir/paper/207328/en

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