The production process of recycled fine aggregates using ultrasonic

Yoshiaki Takemoto, Naoya Enomoto, Takashi Akatsu, Hiroshi Hashida, Shizuo Hayashi, Kyoji Tanaka

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Waste concrete fine powder that is residue after aggregates recycling of demolished concrete is disposed as a low material of value. We have developed the process of dividing waste concrete fine powder into a material by using acid. In this paper, the process of waste concrete fine powder was applied and the manufacturing process of recycled fine aggregate which does not discharge waste concrete fine powder was developed. And by using ultrasonic for this recycled-fine-aggregate process, it succeeded in the quality of recycled fine aggregate, and improvement in processing efficiency.

    Original languageEnglish
    Pages (from-to)999-1005
    Number of pages7
    JournalJournal of Structural and Construction Engineering
    Volume77
    Issue number677
    DOIs
    Publication statusPublished - Jul 2012

    All Science Journal Classification (ASJC) codes

    • Architecture
    • Building and Construction

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