Durability performance and engineering properties of shale and volcanic ashes concretes

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Designing a sustainable concrete has become a vital requirement for today's concrete. Introducing various cementing and pozzolanic materials in concrete in replacement of Portland cement seems to be the appropriate way to lower the environmental impact of concrete industry. This paper reports results on concrete performance produced with two types of pozzolanas including natural pozzolana (NP) obtained from volcanic ash and shale ash (SA) used, in various proportions ranged from 10-45%, as a partial substitute of Portland cement (PC). Concrete mixtures were designed with a wide range of water-to-cementitious ratios (w/c) ranged from 0.79 to 0.45. The key mechanical properties and durability performance of binary blended cement concretes were investigated. Using both NP and SA has resulted in a strength loss; while SA seems to perform better than NP in terms of strength development and durability performance. The blended cement concretes with 10-15% pozzolanas was found to have a good resistance to carbonation and chloride ions ingress and are freeze-thaw durable. However, with replacement level higher than 20%, the durability factor, chloride ions and carbonation resistance drop down. Overall, the results indicate that the mechanical and durability performances of binary blended cements with NP and SA are strongly linked to their intrinsic characteristics including chemical composition, fineness, particle size distribution and potential reactivity.

Original languageEnglish
Pages (from-to)73-82
Number of pages10
JournalConstruction and Building Materials
Volume79
DOIs
Publication statusPublished - Mar 15 2015

Fingerprint

Ashes
Volcanic Eruptions
Shale
Durability
Concretes
Cements
Carbonation
Portland cement
Chlorides
Concrete industry
Ions
Concrete mixtures
Particle size analysis
Environmental impact
Mechanical properties

Keywords

  • Carbonation
  • Chloride diffusion
  • Compressive strength
  • Drying shrinkage
  • Freeze-thaw
  • Natural pozzolana
  • Portland cement
  • Setting time
  • Shale ash
  • Volcanic ash

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

@article{7f50b770fd124bd594aae3fb75fc6513,
title = "Durability performance and engineering properties of shale and volcanic ashes concretes",
abstract = "Designing a sustainable concrete has become a vital requirement for today's concrete. Introducing various cementing and pozzolanic materials in concrete in replacement of Portland cement seems to be the appropriate way to lower the environmental impact of concrete industry. This paper reports results on concrete performance produced with two types of pozzolanas including natural pozzolana (NP) obtained from volcanic ash and shale ash (SA) used, in various proportions ranged from 10-45{\%}, as a partial substitute of Portland cement (PC). Concrete mixtures were designed with a wide range of water-to-cementitious ratios (w/c) ranged from 0.79 to 0.45. The key mechanical properties and durability performance of binary blended cement concretes were investigated. Using both NP and SA has resulted in a strength loss; while SA seems to perform better than NP in terms of strength development and durability performance. The blended cement concretes with 10-15{\%} pozzolanas was found to have a good resistance to carbonation and chloride ions ingress and are freeze-thaw durable. However, with replacement level higher than 20{\%}, the durability factor, chloride ions and carbonation resistance drop down. Overall, the results indicate that the mechanical and durability performances of binary blended cements with NP and SA are strongly linked to their intrinsic characteristics including chemical composition, fineness, particle size distribution and potential reactivity.",
keywords = "Carbonation, Chloride diffusion, Compressive strength, Drying shrinkage, Freeze-thaw, Natural pozzolana, Portland cement, Setting time, Shale ash, Volcanic ash",
author = "{Seddik Meddah}, Mohammed",
year = "2015",
month = "3",
day = "15",
doi = "10.1016/j.conbuildmat.2015.01.020",
language = "English",
volume = "79",
pages = "73--82",
journal = "Construction and Building Materials",
issn = "0950-0618",
publisher = "Elsevier Limited",

}

TY - JOUR

T1 - Durability performance and engineering properties of shale and volcanic ashes concretes

AU - Seddik Meddah, Mohammed

PY - 2015/3/15

Y1 - 2015/3/15

N2 - Designing a sustainable concrete has become a vital requirement for today's concrete. Introducing various cementing and pozzolanic materials in concrete in replacement of Portland cement seems to be the appropriate way to lower the environmental impact of concrete industry. This paper reports results on concrete performance produced with two types of pozzolanas including natural pozzolana (NP) obtained from volcanic ash and shale ash (SA) used, in various proportions ranged from 10-45%, as a partial substitute of Portland cement (PC). Concrete mixtures were designed with a wide range of water-to-cementitious ratios (w/c) ranged from 0.79 to 0.45. The key mechanical properties and durability performance of binary blended cement concretes were investigated. Using both NP and SA has resulted in a strength loss; while SA seems to perform better than NP in terms of strength development and durability performance. The blended cement concretes with 10-15% pozzolanas was found to have a good resistance to carbonation and chloride ions ingress and are freeze-thaw durable. However, with replacement level higher than 20%, the durability factor, chloride ions and carbonation resistance drop down. Overall, the results indicate that the mechanical and durability performances of binary blended cements with NP and SA are strongly linked to their intrinsic characteristics including chemical composition, fineness, particle size distribution and potential reactivity.

AB - Designing a sustainable concrete has become a vital requirement for today's concrete. Introducing various cementing and pozzolanic materials in concrete in replacement of Portland cement seems to be the appropriate way to lower the environmental impact of concrete industry. This paper reports results on concrete performance produced with two types of pozzolanas including natural pozzolana (NP) obtained from volcanic ash and shale ash (SA) used, in various proportions ranged from 10-45%, as a partial substitute of Portland cement (PC). Concrete mixtures were designed with a wide range of water-to-cementitious ratios (w/c) ranged from 0.79 to 0.45. The key mechanical properties and durability performance of binary blended cement concretes were investigated. Using both NP and SA has resulted in a strength loss; while SA seems to perform better than NP in terms of strength development and durability performance. The blended cement concretes with 10-15% pozzolanas was found to have a good resistance to carbonation and chloride ions ingress and are freeze-thaw durable. However, with replacement level higher than 20%, the durability factor, chloride ions and carbonation resistance drop down. Overall, the results indicate that the mechanical and durability performances of binary blended cements with NP and SA are strongly linked to their intrinsic characteristics including chemical composition, fineness, particle size distribution and potential reactivity.

KW - Carbonation

KW - Chloride diffusion

KW - Compressive strength

KW - Drying shrinkage

KW - Freeze-thaw

KW - Natural pozzolana

KW - Portland cement

KW - Setting time

KW - Shale ash

KW - Volcanic ash

UR - http://www.scopus.com/inward/record.url?scp=84921527368&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84921527368&partnerID=8YFLogxK

U2 - 10.1016/j.conbuildmat.2015.01.020

DO - 10.1016/j.conbuildmat.2015.01.020

M3 - Article

VL - 79

SP - 73

EP - 82

JO - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

ER -