Compressive strength of green concrete with low cement and high filler content

It is estimated that by the end of the current decade, about 26% of clinker will be replaced by suitable alternative materials, among which limestone filler probably has the greatest potential due to its wide availability and relatively low price. Although codes allow as much as 35% of clinker to be...

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Main Authors: Radović Andrija, Marinković Snežana, Savić Aleksandar
Format: Article
Language:English
Published: Society for Materials and Structures testing of Serbia 2021-01-01
Series:Građevinski Materijali i Konstrukcije
Subjects:
Online Access:https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2021/2217-81392102093R.pdf
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author Radović Andrija
Marinković Snežana
Savić Aleksandar
author_facet Radović Andrija
Marinković Snežana
Savić Aleksandar
author_sort Radović Andrija
collection DOAJ
description It is estimated that by the end of the current decade, about 26% of clinker will be replaced by suitable alternative materials, among which limestone filler probably has the greatest potential due to its wide availability and relatively low price. Although codes allow as much as 35% of clinker to be replaced by limestone filler, the amounts used in practice are far lower and average only 6-7% globally. In order to use the great potential of fillers, it is necessary to know the key parameters that affect the properties of green concrete with low cement and high filler content in fresh and hardened states. Therefore, thorough literature review was conducted, followed by design of 18 concrete mixtures, in order to analyze the effects of the percentage of cement replacement, water-cement ratio, but also the particle size of the applied filler. The results of experimental research show that at the same w/c ratio there is an increase in compressive strength with increasing percentage of cement replacement and that it is possible to make medium-strength concrete with significantly reduced amount of cement 180 kg/m3 compared to traditional concrete. Thus, economic benefits can be achieved, but also the negative impact of the concrete industry on the environment can be reduced. Unfortunately, the workability of such mixtures can be impaired to the extent that their practical application is prevented, so it is necessary to take further steps to solve this problem.
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spelling doaj.art-8125a54ba39a40e780334546833989902022-12-21T18:22:18ZengSociety for Materials and Structures testing of SerbiaGrađevinski Materijali i Konstrukcije2217-81392335-02292021-01-016429310810.5937/GRMK2102093R2217-81392102093RCompressive strength of green concrete with low cement and high filler contentRadović Andrija0Marinković Snežana1Savić Aleksandar2University of Priština, Faculty of Technical Sciences, Kosovska Mitrovica, SerbiaUniversity of Belgrade, Faculty of Civil Engineering, Belgrade, SerbiaUniversity of Belgrade, Faculty of Civil Engineering, Belgrade, SerbiaIt is estimated that by the end of the current decade, about 26% of clinker will be replaced by suitable alternative materials, among which limestone filler probably has the greatest potential due to its wide availability and relatively low price. Although codes allow as much as 35% of clinker to be replaced by limestone filler, the amounts used in practice are far lower and average only 6-7% globally. In order to use the great potential of fillers, it is necessary to know the key parameters that affect the properties of green concrete with low cement and high filler content in fresh and hardened states. Therefore, thorough literature review was conducted, followed by design of 18 concrete mixtures, in order to analyze the effects of the percentage of cement replacement, water-cement ratio, but also the particle size of the applied filler. The results of experimental research show that at the same w/c ratio there is an increase in compressive strength with increasing percentage of cement replacement and that it is possible to make medium-strength concrete with significantly reduced amount of cement 180 kg/m3 compared to traditional concrete. Thus, economic benefits can be achieved, but also the negative impact of the concrete industry on the environment can be reduced. Unfortunately, the workability of such mixtures can be impaired to the extent that their practical application is prevented, so it is necessary to take further steps to solve this problem.https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2021/2217-81392102093R.pdfgreen concretelimestone fillerlow cement contentcompressive strengthworkability
spellingShingle Radović Andrija
Marinković Snežana
Savić Aleksandar
Compressive strength of green concrete with low cement and high filler content
Građevinski Materijali i Konstrukcije
green concrete
limestone filler
low cement content
compressive strength
workability
title Compressive strength of green concrete with low cement and high filler content
title_full Compressive strength of green concrete with low cement and high filler content
title_fullStr Compressive strength of green concrete with low cement and high filler content
title_full_unstemmed Compressive strength of green concrete with low cement and high filler content
title_short Compressive strength of green concrete with low cement and high filler content
title_sort compressive strength of green concrete with low cement and high filler content
topic green concrete
limestone filler
low cement content
compressive strength
workability
url https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2021/2217-81392102093R.pdf
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AT marinkovicsnezana compressivestrengthofgreenconcretewithlowcementandhighfillercontent
AT savicaleksandar compressivestrengthofgreenconcretewithlowcementandhighfillercontent