ALKALI-SILICA REACTION (ASR) IN CONCRETE (THE EFFECT OF TEST TYPE, CEMENT TYPE AND ADMIXTURES OF SILICA FUME AND SUPERPLASTICIZER)

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ESFAHANI M.R.; ADINEH R.

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Paper Information

Journal: AMIRKABIR Year:2004 | Volume:15 | Issue:57-C Page(s): 110-119

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Title

ALKALI-SILICA REACTION (ASR) IN CONCRETE (THE EFFECT OF TEST TYPE, CEMENT TYPE AND ADMIXTURES OF SILICA FUME AND SUPERPLASTICIZER)

Author(s)

ESFAHANI M.R. | ADINEH R. | Issue Writer Certificate

Keywords

ALKALI-SILICA REACTIONQ3

CONCRETEQ4

SILICAQ3

SUPERPLASTICIZERQ3

SILICA FUMEQ4

Abstract

This paper investigates the SILICA REACTION/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">ALKALI-SILICA REACTION (ASR) in CONCRETE containing high potentially active aggregates. The effects of cement type and admixtures of SILICA fume and super plasticizer in the CONCRETE mixture on ASR were studied. Also, different test methods to evaluate the SILICA REACTION/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">ALKALI-SILICA REACTION in CONCRETE were compared. The experimental work comprised of manufacturing and 104 testing specimens in different test methods including ASTM C295, CAN/CSA A23.2-14A, CAN/CSA A23.2-25A, and Laval Accelerated Test Method. Test results showed that using 15 percent SILICA fume by weight of cement in the CONCRETE mixture decreased the expansion of CONCRETE due to ASR significantly less than the allowable values given by different standards. For the values of SILICA fume more than 15%, the reducing rate of expansion was not significant. The admixture of super plasticizer in the CONCRETE mixture reduced the negative effect of ASR. It was also seen that the admixtures of SILICA fume and super plasticizer were more effective in reducing ASR when cement Type 5, instead Type 2, was used. Test methods of CAN/CSAA23.2-14A and CAN/CSA A23.2-25A estimated similar values of expansion in different specimens. The results obtained by Laval Accelerated Test Method were different from other results.

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APA: Copy

ESFAHANI, M.R., & ADINEH, R.. (2004). ALKALI-SILICA REACTION (ASR) IN CONCRETE (THE EFFECT OF TEST TYPE, CEMENT TYPE AND ADMIXTURES OF SILICA FUME AND SUPERPLASTICIZER). AMIRKABIR, 15(57-C), 110-119. SID. https://sid.ir/paper/999/en

Vancouver: Copy

ESFAHANI M.R., ADINEH R.. ALKALI-SILICA REACTION (ASR) IN CONCRETE (THE EFFECT OF TEST TYPE, CEMENT TYPE AND ADMIXTURES OF SILICA FUME AND SUPERPLASTICIZER). AMIRKABIR[Internet]. 2004;15(57-C):110-119. Available from: https://sid.ir/paper/999/en

IEEE: Copy

M.R. ESFAHANI, and R. ADINEH, “ALKALI-SILICA REACTION (ASR) IN CONCRETE (THE EFFECT OF TEST TYPE, CEMENT TYPE AND ADMIXTURES OF SILICA FUME AND SUPERPLASTICIZER),” AMIRKABIR, vol. 15, no. 57-C, pp. 110–119, 2004, [Online]. Available: https://sid.ir/paper/999/en

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