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作者:

Guo, Dingcong (Guo, Dingcong.) | Guo, Menghuan (Guo, Menghuan.) | Xing, Feng (Xing, Feng.) | Zhou, Yingwu (Zhou, Yingwu.) | Huang, Zhenyu (Huang, Zhenyu.) | Cao, Wanlin (Cao, Wanlin.)

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EI Scopus SCIE

摘要:

A comprehensive investigation concerning the mechanical properties and microstructural characteristics of ultrahigh-performance concrete (UHPC) using different dosages of limestone calcined clay cement (LC3) and recycled fine aggregate (RFA) was conducted. Results demonstrated that the compressive strength using 15% LC3 and 30% RFA is comparable to the control group, and the tensile strength of UHPC using 30% LC3 is comparable to the control mix-ID. Incorporation of LC3 generates additional hydration products. The addition of LC3 improved the pore size distribution and reduced porosity. The results of nanoindentation testing showed that using LC3 and RFA improved the performance of interfacial transition zone, contributing to the achievement of considerable mechanical resistance. Finally, life cycle analysis revealed that using LC3 and RFA could reduce the environmental impact.

关键词:

Mechanical properties Limestone calcined clay cement Recycled fine aggregate Microstructure Environmental impact

作者机构:

  • [ 1 ] [Guo, Dingcong]Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China
  • [ 2 ] [Guo, Menghuan]Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China
  • [ 3 ] [Xing, Feng]Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China
  • [ 4 ] [Zhou, Yingwu]Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China
  • [ 5 ] [Huang, Zhenyu]Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China
  • [ 6 ] [Cao, Wanlin]Beijing Univ Technol, Key Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

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来源 :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

年份: 2023

卷: 394

7 . 4 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:26

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WoS核心集被引频次:

SCOPUS被引频次: 17

ESI高被引论文在榜: 0 展开所有

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