Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar

The aim of this study is to investigate the strengths and drying shrinkage of alkali-activated slag paste and mortar. Compressive strength, tensile strength, and drying shrinkage of alkali-activated slag paste and mortar were measured with various liquid/slag ratios, sand/slag ratios, curing ages, a...

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Main Authors: Mao-chieh Chi, Jiang-jhy Chang, Ran Huang
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2012/579732
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author Mao-chieh Chi
Jiang-jhy Chang
Ran Huang
author_facet Mao-chieh Chi
Jiang-jhy Chang
Ran Huang
author_sort Mao-chieh Chi
collection DOAJ
description The aim of this study is to investigate the strengths and drying shrinkage of alkali-activated slag paste and mortar. Compressive strength, tensile strength, and drying shrinkage of alkali-activated slag paste and mortar were measured with various liquid/slag ratios, sand/slag ratios, curing ages, and curing temperatures. Experimental results show that the higher compressive strength and tensile strength have been observed in the higher curing temperature. At the age of 56 days, AAS mortars show higher compressive strength than Portland cement mortars and AAS mortars with liquid/slag ratio of 0.54 have the highest tensile strength in all AAS mortars. In addition, AAS pastes of the drying shrinkage are higher than AAS mortars. Meanwhile, higher drying shrinkage was observed in AAS mortars than that observed comparable Portland cement mortars.
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institution Kabale University
issn 1687-8086
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publishDate 2012-01-01
publisher Wiley
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series Advances in Civil Engineering
spelling doaj-art-0a00d3de299240508079f9537f13725c2025-02-03T01:10:02ZengWileyAdvances in Civil Engineering1687-80861687-80942012-01-01201210.1155/2012/579732579732Strength and Drying Shrinkage of Alkali-Activated Slag Paste and MortarMao-chieh Chi0Jiang-jhy Chang1Ran Huang2Department of Fire Science, WuFeng University, Chiayi County 62153, Taiwan, ChinaDepartment of Harbour and River Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan, ChinaDepartment of Harbour and River Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan, ChinaThe aim of this study is to investigate the strengths and drying shrinkage of alkali-activated slag paste and mortar. Compressive strength, tensile strength, and drying shrinkage of alkali-activated slag paste and mortar were measured with various liquid/slag ratios, sand/slag ratios, curing ages, and curing temperatures. Experimental results show that the higher compressive strength and tensile strength have been observed in the higher curing temperature. At the age of 56 days, AAS mortars show higher compressive strength than Portland cement mortars and AAS mortars with liquid/slag ratio of 0.54 have the highest tensile strength in all AAS mortars. In addition, AAS pastes of the drying shrinkage are higher than AAS mortars. Meanwhile, higher drying shrinkage was observed in AAS mortars than that observed comparable Portland cement mortars.http://dx.doi.org/10.1155/2012/579732
spellingShingle Mao-chieh Chi
Jiang-jhy Chang
Ran Huang
Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
Advances in Civil Engineering
title Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
title_full Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
title_fullStr Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
title_full_unstemmed Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
title_short Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar
title_sort strength and drying shrinkage of alkali activated slag paste and mortar
url http://dx.doi.org/10.1155/2012/579732
work_keys_str_mv AT maochiehchi strengthanddryingshrinkageofalkaliactivatedslagpasteandmortar
AT jiangjhychang strengthanddryingshrinkageofalkaliactivatedslagpasteandmortar
AT ranhuang strengthanddryingshrinkageofalkaliactivatedslagpasteandmortar