Basic creep behavior and modeling of recycled coarse and fine aggregate concrete

Mu Zi Zhao; Huan Zhang; Yue Geng; Dawn E. Lehman; Yu Yin Wang

doi:10.1016/j.conbuildmat.2023.131724

Basic creep behavior and modeling of recycled coarse and fine aggregate concrete

Mu Zi Zhao
, Huan Zhang^*
, Yue Geng
, Dawn E. Lehman
, Yu Yin Wang

^*Corresponding author for this work

School of Civil Engineering

School of Civil Engineering, Harbin Institute of Technology
China Metallurgical Group Corporation
University of Washington

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

24 Scopus citations

Abstract

This paper aimed to experimentally investigate the influence of fine recycled aggregate (FRA) replacement ratio on the basic creep of RAC with different coarse recycled aggregate (CRA) replacement ratios and water-to-cement ratios (w/c), i.e., the compounding effect among FRA, CRA and w/c. To achieve this, fifteen groups of specimens were prepared for long-term tests to measure the final basic creep value and basic creep development trend for concretes with different FRA/CRA replacement ratios and w/c. Test results showed that the FRA, CRA and w/c had a significant compounding effect on the basic creep behavior of RAC. Based on the traditional B4 model by Bazant (2014), a new basic creep model was derived to account for all the aforementioned influences. The model was then benchmarked against all the collected test data.

Original language	English
Article number	131724
Journal	Construction and Building Materials
Volume	389
DOIs	https://doi.org/10.1016/j.conbuildmat.2023.131724
State	Published - 31 Jul 2023

Keywords

Basic creep
Coarse recycled aggregate
Compounding effect
Fine recycled aggregate
Recycled aggregate concrete

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10.1016/j.conbuildmat.2023.131724

Cite this

@article{9fedf59e83284ef28ca6d98a810d580e,

title = "Basic creep behavior and modeling of recycled coarse and fine aggregate concrete",

abstract = "This paper aimed to experimentally investigate the influence of fine recycled aggregate (FRA) replacement ratio on the basic creep of RAC with different coarse recycled aggregate (CRA) replacement ratios and water-to-cement ratios (w/c), i.e., the compounding effect among FRA, CRA and w/c. To achieve this, fifteen groups of specimens were prepared for long-term tests to measure the final basic creep value and basic creep development trend for concretes with different FRA/CRA replacement ratios and w/c. Test results showed that the FRA, CRA and w/c had a significant compounding effect on the basic creep behavior of RAC. Based on the traditional B4 model by Bazant (2014), a new basic creep model was derived to account for all the aforementioned influences. The model was then benchmarked against all the collected test data.",

keywords = "Basic creep, Coarse recycled aggregate, Compounding effect, Fine recycled aggregate, Recycled aggregate concrete",

author = "Zhao, \{Mu Zi\} and Huan Zhang and Yue Geng and Lehman, \{Dawn E.\} and Wang, \{Yu Yin\}",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier Ltd",

year = "2023",

month = jul,

day = "31",

doi = "10.1016/j.conbuildmat.2023.131724",

language = "英语",

volume = "389",

journal = "Construction and Building Materials",

issn = "0950-0618",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Basic creep behavior and modeling of recycled coarse and fine aggregate concrete

AU - Zhao, Mu Zi

AU - Zhang, Huan

AU - Geng, Yue

AU - Lehman, Dawn E.

AU - Wang, Yu Yin

PY - 2023/7/31

Y1 - 2023/7/31

N2 - This paper aimed to experimentally investigate the influence of fine recycled aggregate (FRA) replacement ratio on the basic creep of RAC with different coarse recycled aggregate (CRA) replacement ratios and water-to-cement ratios (w/c), i.e., the compounding effect among FRA, CRA and w/c. To achieve this, fifteen groups of specimens were prepared for long-term tests to measure the final basic creep value and basic creep development trend for concretes with different FRA/CRA replacement ratios and w/c. Test results showed that the FRA, CRA and w/c had a significant compounding effect on the basic creep behavior of RAC. Based on the traditional B4 model by Bazant (2014), a new basic creep model was derived to account for all the aforementioned influences. The model was then benchmarked against all the collected test data.

AB - This paper aimed to experimentally investigate the influence of fine recycled aggregate (FRA) replacement ratio on the basic creep of RAC with different coarse recycled aggregate (CRA) replacement ratios and water-to-cement ratios (w/c), i.e., the compounding effect among FRA, CRA and w/c. To achieve this, fifteen groups of specimens were prepared for long-term tests to measure the final basic creep value and basic creep development trend for concretes with different FRA/CRA replacement ratios and w/c. Test results showed that the FRA, CRA and w/c had a significant compounding effect on the basic creep behavior of RAC. Based on the traditional B4 model by Bazant (2014), a new basic creep model was derived to account for all the aforementioned influences. The model was then benchmarked against all the collected test data.

KW - Basic creep

KW - Coarse recycled aggregate

KW - Compounding effect

KW - Fine recycled aggregate

KW - Recycled aggregate concrete

UR - https://www.scopus.com/pages/publications/85159171784

U2 - 10.1016/j.conbuildmat.2023.131724

DO - 10.1016/j.conbuildmat.2023.131724

M3 - 文章

AN - SCOPUS:85159171784

SN - 0950-0618

VL - 389

JO - Construction and Building Materials

JF - Construction and Building Materials

M1 - 131724

ER -

Basic creep behavior and modeling of recycled coarse and fine aggregate concrete

Abstract

Keywords

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