STUDY ON THE DEVELOPMENT OF BASE COURSE MATERIAL BY REUSING RETURNED CONCRETE AND SLUDGE

• ZHANG Jinxi

  JAPAN SOCIETY OF CIVIL ENGINEERS

• FUJIWARA Tadashi

  JAPAN SOCIETY OF CIVIL ENGINEERS

• MOROTO Keiichi

  日本道路公団 大阪管理局技術部

Bibliographic Information

Other Title

• 戻りコンとスラッジを利用した路盤材の開発
• モドリ コン ト スラッジ オ リヨウ シタ ロバンザイ ノ カイハツ

Abstract

More and more ready mixed concrete plants are puzzled by the disposal of returned concrete and concrete sludge. In present study, a recycling method of such waste is proposed as below. Sludge is thrown into the drum of a truck agitator in which returned concrete still remains, and then mixed by the rotation of drum. After mixing, the mixture is discharged. Hardened mixture is crashed and used as base course material of road. All of this procedure was imitated and the properties of the mixture were investigated in laboratory. The influence of sludge content, type of returned concrete and the water content of sludge etc. on the modified CBR of mixture was examined. The site test was also performed. All test results showed that this mixture is a good quality base material of road. Now this kind of material has been used as base course material in practical engineering.

Journal

• Doboku Gakkai Ronbunshu

  Doboku Gakkai Ronbunshu 1999 (634), 279-291, 1999-11-20

  Japan Society of Civil Engineers

Keywords

• ready mixed concrete plant
• natural drying sludge
• returned concrete
• base course material
• recycling
• modified CBR
• durability
• water proofing
• site test

Details

• CRID: 1390001205308672896
• NII Article ID: 10004445439
• NII Book ID: AN10014020
• DOI: 10.2208/jscej.1999.634_279
• ISSN: 18827187
• ISSN: 02897806
• NDL BIB ID: 4929029
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4929029
• Web Site: https://www.jstage.jst.go.jp/article/jscej1984/1999/634/1999_634_279/_pdf
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed