Physical properties of high-performance concrete with admixtures exposed to a medium temperature range 20 °C to 50 °C

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Abstract

This paper discusses two physical properties, namely, compressive strength and modulus of elasticity of high-performance concrete made with four types of concrete mixes exposed to temperatures within the range 20 °C to 50 °C under three types of curing methods. The results showed that the compressive strength of concrete incorporating mineral admixtures practically reached above 100 MPa from the age of 7 days. The highest levels of strength and modulus of elasticity were produced by silica fume (SF) concrete under water and wrapped curing at temperature of 35 °C. This indicates that the high pozzolanic reactivity and microfiller effect of SF at medium temperature has modified the open channels at the transition zone in SF concrete. The medium temperature environment associated with proper curing has played an important role in the hydration process that produced the hardened concrete with higher strength and elasticity.

Original languageEnglish
Pages (from-to)1283-1287
Number of pages5
JournalCement and Concrete Research
Volume30
Issue number8
DOIs
Publication statusPublished - Aug 2000

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High performance concrete
Silica fume
Physical properties
Concretes
Curing
Compressive strength
Elastic moduli
Temperature
Concrete mixtures
Hydration
Minerals
Elasticity
Water

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Ceramics and Composites

Cite this

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title = "Physical properties of high-performance concrete with admixtures exposed to a medium temperature range 20 °C to 50 °C",
abstract = "This paper discusses two physical properties, namely, compressive strength and modulus of elasticity of high-performance concrete made with four types of concrete mixes exposed to temperatures within the range 20 °C to 50 °C under three types of curing methods. The results showed that the compressive strength of concrete incorporating mineral admixtures practically reached above 100 MPa from the age of 7 days. The highest levels of strength and modulus of elasticity were produced by silica fume (SF) concrete under water and wrapped curing at temperature of 35 °C. This indicates that the high pozzolanic reactivity and microfiller effect of SF at medium temperature has modified the open channels at the transition zone in SF concrete. The medium temperature environment associated with proper curing has played an important role in the hydration process that produced the hardened concrete with higher strength and elasticity.",
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AB - This paper discusses two physical properties, namely, compressive strength and modulus of elasticity of high-performance concrete made with four types of concrete mixes exposed to temperatures within the range 20 °C to 50 °C under three types of curing methods. The results showed that the compressive strength of concrete incorporating mineral admixtures practically reached above 100 MPa from the age of 7 days. The highest levels of strength and modulus of elasticity were produced by silica fume (SF) concrete under water and wrapped curing at temperature of 35 °C. This indicates that the high pozzolanic reactivity and microfiller effect of SF at medium temperature has modified the open channels at the transition zone in SF concrete. The medium temperature environment associated with proper curing has played an important role in the hydration process that produced the hardened concrete with higher strength and elasticity.

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