Effects of parent concrete and mixing method on the resistance to freezing and thawing of air-entrained recycled aggregate concrete

Kaihua Liu; Jiachuan Yan; Qiong Hu; Yao Sun; Chaoying Zou

doi:10.1016/j.conbuildmat.2015.12.074

Effects of parent concrete and mixing method on the resistance to freezing and thawing of air-entrained recycled aggregate concrete

Kaihua Liu
, Jiachuan Yan
, Qiong Hu
, Yao Sun
, Chaoying Zou^*

^*Corresponding author for this work

School of Civil Engineering

Harbin Institute of Technology
School of Civil Engineering, Harbin Institute of Technology
Tianjin University

Research output: Contribution to journal › Article › peer-review

117 Scopus citations

Abstract

We elucidated the effects of the parent concrete and mixing approach used on the freezing/thawing resistance of air-entrained recycled aggregate concrete (ARAC). Three non-air-entrained concretes and one air-entrained concrete were used to prepare recycled coarse aggregate (RCA) samples. Three mixing approaches were also investigated. The frost resistances of the ARAC samples produced using an RCA obtained from the non-air-entrained concrete with high strength as well as the air-entrained one were close to that of conventional concrete. The mixing approach used had no effect on the frost resistance. A possible mechanism for the failure of ARAC is proposed.

Original language	English
Pages (from-to)	264-273
Number of pages	10
Journal	Construction and Building Materials
Volume	106
DOIs	https://doi.org/10.1016/j.conbuildmat.2015.12.074
State	Published - 1 Mar 2016

Keywords

Freezing and thawing
Mesostructure
Mixing method
Parent concrete
Recycled aggregate concrete

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10.1016/j.conbuildmat.2015.12.074

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title = "Effects of parent concrete and mixing method on the resistance to freezing and thawing of air-entrained recycled aggregate concrete",

abstract = "We elucidated the effects of the parent concrete and mixing approach used on the freezing/thawing resistance of air-entrained recycled aggregate concrete (ARAC). Three non-air-entrained concretes and one air-entrained concrete were used to prepare recycled coarse aggregate (RCA) samples. Three mixing approaches were also investigated. The frost resistances of the ARAC samples produced using an RCA obtained from the non-air-entrained concrete with high strength as well as the air-entrained one were close to that of conventional concrete. The mixing approach used had no effect on the frost resistance. A possible mechanism for the failure of ARAC is proposed.",

keywords = "Freezing and thawing, Mesostructure, Mixing method, Parent concrete, Recycled aggregate concrete",

author = "Kaihua Liu and Jiachuan Yan and Qiong Hu and Yao Sun and Chaoying Zou",

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T1 - Effects of parent concrete and mixing method on the resistance to freezing and thawing of air-entrained recycled aggregate concrete

AU - Liu, Kaihua

AU - Yan, Jiachuan

AU - Hu, Qiong

AU - Sun, Yao

AU - Zou, Chaoying

PY - 2016/3/1

Y1 - 2016/3/1

N2 - We elucidated the effects of the parent concrete and mixing approach used on the freezing/thawing resistance of air-entrained recycled aggregate concrete (ARAC). Three non-air-entrained concretes and one air-entrained concrete were used to prepare recycled coarse aggregate (RCA) samples. Three mixing approaches were also investigated. The frost resistances of the ARAC samples produced using an RCA obtained from the non-air-entrained concrete with high strength as well as the air-entrained one were close to that of conventional concrete. The mixing approach used had no effect on the frost resistance. A possible mechanism for the failure of ARAC is proposed.

AB - We elucidated the effects of the parent concrete and mixing approach used on the freezing/thawing resistance of air-entrained recycled aggregate concrete (ARAC). Three non-air-entrained concretes and one air-entrained concrete were used to prepare recycled coarse aggregate (RCA) samples. Three mixing approaches were also investigated. The frost resistances of the ARAC samples produced using an RCA obtained from the non-air-entrained concrete with high strength as well as the air-entrained one were close to that of conventional concrete. The mixing approach used had no effect on the frost resistance. A possible mechanism for the failure of ARAC is proposed.

KW - Freezing and thawing

KW - Mesostructure

KW - Mixing method

KW - Parent concrete

KW - Recycled aggregate concrete

UR - https://www.scopus.com/pages/publications/84951275574

U2 - 10.1016/j.conbuildmat.2015.12.074

DO - 10.1016/j.conbuildmat.2015.12.074

M3 - 文章

AN - SCOPUS:84951275574

SN - 0950-0618

VL - 106

SP - 264

EP - 273

JO - Construction and Building Materials

JF - Construction and Building Materials

ER -

Effects of parent concrete and mixing method on the resistance to freezing and thawing of air-entrained recycled aggregate concrete

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Keywords

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