Influence of interfacial transition zone at aggregate surface caused by bleeding on permeability

Megumi Araki, Takeshi Iyoda

研究成果: Conference article

抄録

Bleeding occurs due to the different density of concrete materials. The internal bleeding water is a part of the bleeding water restrained on the lower surface of the aggregate. By creating porous zone after concrete hardening, it becomes a penetration path of deterioration factors, which leads to a decrease in the durability of concrete. In this research, the purpose is to clear the influence of changes in the aggregate interface in concrete accompanying bleeding on permeability. Concrete with different amount of bleeding was prepared and air permeability test was carried out. Furthermore, air permeability test was performed the pore existing on the lower surface of the aggregate, which was made by internal bleeding water. As a result, the air permeability increased in the tests penetration through the pore on the lower surface of the aggregate.

本文言語English
ジャーナルSustainable Construction Materials and Technologies
2
出版ステータスPublished - 2019 1 1
イベント5th International Conference on Sustainable Construction Materials and Technologies, SCMT 2019 - Kingston upon Thames, United Kingdom
継続期間: 2019 7 142019 7 17

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Materials Science(all)

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