Effect of recycled aggregate quality on the bond behavior and shear strength of RC members

Thanapol Yanweerasak, Theang Meng Kea, Hiroki Ishibashi, Mitsuyoshi Akiyama*

*この研究の対応する著者

研究成果: Article査読

10 被引用数 (Scopus)

抄録

During the aggregate crushing process, natural aggregate and clinging mortar from existing concrete will inevitably produce small cracks and weak bonds between the aggregate and the existing cement mortar. The weaknesses of the existing cement mortar, adhered to a natural aggregate, negatively affect the properties of a recycled aggregate concrete, which prevents its application in reinforced concrete (RC) structures. Recycled aggregate can be classified into several categories, according to its physical and mechanical properties. The properties of concrete incorporated with the recycled aggregate of various qualities can be controlled, and the variability in its strength can also be reduced. This study aims to promote the application of recycled aggregate by investigating the effects of recycled aggregate quality (i.e., water absorption and the number of fine particles) classified by the Japanese Industrial Standards (JIS) on material properties, mechanical properties, and shear behavior of RC beams with recycled aggregate.

本文言語English
論文番号2054
ジャーナルApplied Sciences (Switzerland)
8
11
DOI
出版ステータスPublished - 2018 10 25

ASJC Scopus subject areas

  • 材料科学(全般)
  • 器械工学
  • 工学(全般)
  • プロセス化学およびプロセス工学
  • コンピュータ サイエンスの応用
  • 流体および伝熱

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