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News University of Tokyo produces cement-free concrete from sand and ash

University of Tokyo produces cement-free concrete from sand and ash

Written by Global Cement staff 07 July 2023
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Japan: A team at the University of Tokyo has developed cement-free alternative concrete from ultra-fine sand and fly ash. NHK has reported that the process uses recyclable alcohols and has lower CO2 emissions compared to concrete production using ordinary Portland cement. Research with industrial partners into possible construction sector applications is underway. Partnerships with Japanese ready-mixed concrete producers are reportedly also under discussion.

Further information is available from Yuzo Tobisaka, an independent Japanese consultant in the cement and ready-mixed concrete industry, at This email address is being protected from spambots. You need JavaScript enabled to view it..

Last modified on 12 July 2023
Published in Global Cement News
Tagged under
  • Japan
  • Research
  • Sand
  • Fly Ash
  • supplementary cementitious materials
  • GCW616
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