Freezing and thawing resistance of cellular concrete containing binary and ternary cementitious mixtures

Chang Seon Shon, Dongoun Lee, Ji Hyun Kim, Chul Woo Chung

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cellular concrete (CC) is a foamed low-density and low-strength material made with cement and/or lime, silica-rich material (sand, slag, or fly ash), water, fine aggregate and a foaming agent. The CC containing millions of evenly distributed, uniformly sized macroscopic air-voids of approximately 0.1–1 mm in size is considered to have good freeze-thaw (F-T) resistance. In the present study, the CC of binary and ternary cementitious mixtures with varying proportions of portland cement, fly ash, and lime were explored in a comprehensive laboratory test program related to porosity, water absorption, dry density, compressive strength, and resistance to F-T including durability factor and loss of mass. For selected mixtures, air-void spacing factor and air-void distribution had been determined. Test results showed that compressive strength of CC was primarily as a function of the porosity and density regardless of type of cementitious material with respect to the combination of binary and ternary cementitious mixture. It was also found that higher porosity did not necessarily result in higher water absorption. CC was generally found to present good F-T resistance compared to non-aerated concrete although the CC with high porosity did not necessarily result in higher resistance of F-T. The addition of fly ash to mixture led to a decrease in the number of air voids smaller than 300 µm. It was also found the F-T resistance of CC was more affected by the size of the air-void. The number of air-voids smaller than 300 µm played a critical role on reducing the F-T damage in CC.

Original languageEnglish
Pages (from-to)73-81
Number of pages9
JournalConstruction and Building Materials
Volume168
DOIs
Publication statusPublished - Apr 20 2018

Fingerprint

Thawing
Freezing
Concretes
Coal Ash
Air
Porosity
Fly ash
Water absorption
Lime
Density (specific gravity)
Compressive strength
Blowing agents
Portland cement
Silicon Dioxide
Slags
Cements
Durability
Sand
Silica
Water

Keywords

  • Cellular concrete
  • Durability factor
  • Dynamic modulus of elasticity
  • Freeze-thaw resistance
  • Porosity
  • Size of air-void

ASJC Scopus subject areas

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

Cite this

Freezing and thawing resistance of cellular concrete containing binary and ternary cementitious mixtures. / Shon, Chang Seon; Lee, Dongoun; Kim, Ji Hyun; Chung, Chul Woo.

In: Construction and Building Materials, Vol. 168, 20.04.2018, p. 73-81.

Research output: Contribution to journalArticle

@article{5e1dcf24f7054c7aaaecb63443517d9f,
title = "Freezing and thawing resistance of cellular concrete containing binary and ternary cementitious mixtures",
abstract = "Cellular concrete (CC) is a foamed low-density and low-strength material made with cement and/or lime, silica-rich material (sand, slag, or fly ash), water, fine aggregate and a foaming agent. The CC containing millions of evenly distributed, uniformly sized macroscopic air-voids of approximately 0.1–1 mm in size is considered to have good freeze-thaw (F-T) resistance. In the present study, the CC of binary and ternary cementitious mixtures with varying proportions of portland cement, fly ash, and lime were explored in a comprehensive laboratory test program related to porosity, water absorption, dry density, compressive strength, and resistance to F-T including durability factor and loss of mass. For selected mixtures, air-void spacing factor and air-void distribution had been determined. Test results showed that compressive strength of CC was primarily as a function of the porosity and density regardless of type of cementitious material with respect to the combination of binary and ternary cementitious mixture. It was also found that higher porosity did not necessarily result in higher water absorption. CC was generally found to present good F-T resistance compared to non-aerated concrete although the CC with high porosity did not necessarily result in higher resistance of F-T. The addition of fly ash to mixture led to a decrease in the number of air voids smaller than 300 µm. It was also found the F-T resistance of CC was more affected by the size of the air-void. The number of air-voids smaller than 300 µm played a critical role on reducing the F-T damage in CC.",
keywords = "Cellular concrete, Durability factor, Dynamic modulus of elasticity, Freeze-thaw resistance, Porosity, Size of air-void",
author = "Shon, {Chang Seon} and Dongoun Lee and Kim, {Ji Hyun} and Chung, {Chul Woo}",
year = "2018",
month = "4",
day = "20",
doi = "10.1016/j.conbuildmat.2018.02.117",
language = "English",
volume = "168",
pages = "73--81",
journal = "Construction and Building Materials",
issn = "0950-0618",
publisher = "Elsevier",

}

TY - JOUR

T1 - Freezing and thawing resistance of cellular concrete containing binary and ternary cementitious mixtures

AU - Shon, Chang Seon

AU - Lee, Dongoun

AU - Kim, Ji Hyun

AU - Chung, Chul Woo

PY - 2018/4/20

Y1 - 2018/4/20

N2 - Cellular concrete (CC) is a foamed low-density and low-strength material made with cement and/or lime, silica-rich material (sand, slag, or fly ash), water, fine aggregate and a foaming agent. The CC containing millions of evenly distributed, uniformly sized macroscopic air-voids of approximately 0.1–1 mm in size is considered to have good freeze-thaw (F-T) resistance. In the present study, the CC of binary and ternary cementitious mixtures with varying proportions of portland cement, fly ash, and lime were explored in a comprehensive laboratory test program related to porosity, water absorption, dry density, compressive strength, and resistance to F-T including durability factor and loss of mass. For selected mixtures, air-void spacing factor and air-void distribution had been determined. Test results showed that compressive strength of CC was primarily as a function of the porosity and density regardless of type of cementitious material with respect to the combination of binary and ternary cementitious mixture. It was also found that higher porosity did not necessarily result in higher water absorption. CC was generally found to present good F-T resistance compared to non-aerated concrete although the CC with high porosity did not necessarily result in higher resistance of F-T. The addition of fly ash to mixture led to a decrease in the number of air voids smaller than 300 µm. It was also found the F-T resistance of CC was more affected by the size of the air-void. The number of air-voids smaller than 300 µm played a critical role on reducing the F-T damage in CC.

AB - Cellular concrete (CC) is a foamed low-density and low-strength material made with cement and/or lime, silica-rich material (sand, slag, or fly ash), water, fine aggregate and a foaming agent. The CC containing millions of evenly distributed, uniformly sized macroscopic air-voids of approximately 0.1–1 mm in size is considered to have good freeze-thaw (F-T) resistance. In the present study, the CC of binary and ternary cementitious mixtures with varying proportions of portland cement, fly ash, and lime were explored in a comprehensive laboratory test program related to porosity, water absorption, dry density, compressive strength, and resistance to F-T including durability factor and loss of mass. For selected mixtures, air-void spacing factor and air-void distribution had been determined. Test results showed that compressive strength of CC was primarily as a function of the porosity and density regardless of type of cementitious material with respect to the combination of binary and ternary cementitious mixture. It was also found that higher porosity did not necessarily result in higher water absorption. CC was generally found to present good F-T resistance compared to non-aerated concrete although the CC with high porosity did not necessarily result in higher resistance of F-T. The addition of fly ash to mixture led to a decrease in the number of air voids smaller than 300 µm. It was also found the F-T resistance of CC was more affected by the size of the air-void. The number of air-voids smaller than 300 µm played a critical role on reducing the F-T damage in CC.

KW - Cellular concrete

KW - Durability factor

KW - Dynamic modulus of elasticity

KW - Freeze-thaw resistance

KW - Porosity

KW - Size of air-void

UR - http://www.scopus.com/inward/record.url?scp=85042355734&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85042355734&partnerID=8YFLogxK

U2 - 10.1016/j.conbuildmat.2018.02.117

DO - 10.1016/j.conbuildmat.2018.02.117

M3 - Article

VL - 168

SP - 73

EP - 81

JO - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

ER -