Effect of glass sand used as aggregate on micro-concrete properties

Micro-concrete (MC) can be defined as a high-performance cement-based material produced using microaggregates and cement in the required proportions. Owing to its high performance, it has the potential to be used in the structural repairs of existing building elements. Within the scope of this study...

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Main Author: Serkan Etli
Format: Article
Language:English
Published: Croatian Association of Civil Engineers 2023-03-01
Series:Građevinar
Subjects:
Online Access:https://doi.org/10.14256/JCE.3538.2022
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author Serkan Etli
author_facet Serkan Etli
author_sort Serkan Etli
collection DOAJ
description Micro-concrete (MC) can be defined as a high-performance cement-based material produced using microaggregates and cement in the required proportions. Owing to its high performance, it has the potential to be used in the structural repairs of existing building elements. Within the scope of this study, an evaluation was conducted by creating a usage scenario under which glass, which is a waste product, can be reduced and applied in a way that provides a sufficient MC performance. There are four different binder contents in the mixtures within the scope of the present study, i.e., 570, 580, 599, and 658 kg/m3. From these mixtures, together with the control mixture, 12 %, 27 %, and 50 % microaggregates were replaced with glass sand and 16 different mixtures with a total of 4 different aggregate contents were produced. For the mechanical, physical, and durability tests, 40 × 40 × 160 mm sized prisms and 50 × 50 × 50 mm sized cubes were produced. For the purposes of this research, mechanical tests were carried out on 144 7-, 28- and 56-day old prismatic specimens. In addition, the effects of a freeze-thaw and temperature on the mechanical properties were investigated on 192 prismatic samples. In determination of the durability, physical properties such as the porosity, sorptivity, and specific gravity were tested and determined using cubic samples. The test results show that the replacement of MA with GS has positive effects on all mechanical behaviours of MC.
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spelling doaj-art-613581e63ee04080b4e474ba1c29e7792025-08-20T02:59:53ZengCroatian Association of Civil EngineersGrađevinar0350-24651333-90952023-03-017501.395110.14256/JCE.3538.2022Effect of glass sand used as aggregate on micro-concrete propertiesSerkan EtliMicro-concrete (MC) can be defined as a high-performance cement-based material produced using microaggregates and cement in the required proportions. Owing to its high performance, it has the potential to be used in the structural repairs of existing building elements. Within the scope of this study, an evaluation was conducted by creating a usage scenario under which glass, which is a waste product, can be reduced and applied in a way that provides a sufficient MC performance. There are four different binder contents in the mixtures within the scope of the present study, i.e., 570, 580, 599, and 658 kg/m3. From these mixtures, together with the control mixture, 12 %, 27 %, and 50 % microaggregates were replaced with glass sand and 16 different mixtures with a total of 4 different aggregate contents were produced. For the mechanical, physical, and durability tests, 40 × 40 × 160 mm sized prisms and 50 × 50 × 50 mm sized cubes were produced. For the purposes of this research, mechanical tests were carried out on 144 7-, 28- and 56-day old prismatic specimens. In addition, the effects of a freeze-thaw and temperature on the mechanical properties were investigated on 192 prismatic samples. In determination of the durability, physical properties such as the porosity, sorptivity, and specific gravity were tested and determined using cubic samples. The test results show that the replacement of MA with GS has positive effects on all mechanical behaviours of MC.https://doi.org/10.14256/JCE.3538.2022glass sandmicro-conretefreezing/thawingmechanical properties
spellingShingle Serkan Etli
Effect of glass sand used as aggregate on micro-concrete properties
Građevinar
glass sand
micro-conrete
freezing/thawing
mechanical properties
title Effect of glass sand used as aggregate on micro-concrete properties
title_full Effect of glass sand used as aggregate on micro-concrete properties
title_fullStr Effect of glass sand used as aggregate on micro-concrete properties
title_full_unstemmed Effect of glass sand used as aggregate on micro-concrete properties
title_short Effect of glass sand used as aggregate on micro-concrete properties
title_sort effect of glass sand used as aggregate on micro concrete properties
topic glass sand
micro-conrete
freezing/thawing
mechanical properties
url https://doi.org/10.14256/JCE.3538.2022
work_keys_str_mv AT serkanetli effectofglasssandusedasaggregateonmicroconcreteproperties