What is it about?
The objective of this study was to evaluate ultra high performance concrete (UHPC) as a precast product material containing portland type II cement, quartz powder, silica fume, silica sand, steel fiber, superplasticizer, water, and a specific amount of incinerator fly ash (IFA).
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Why is it important?
The compressive strength of UHPC decreases greatly as IFA for part replacement of cement or quartz powder increases. However, the flexural strength of UHPC decreases a little as IFA for part replacement of quartz powder increases.
Perspectives
Writing this article was a great pleasure as it has to be noted that heavy metals that originated in the IFA are confined in the UHPC matrix and yield rather low leachability results.
Distinguished Professor Ming-Gin Lee
Chaoyang University of Technology
Read the Original
This page is a summary of: The Study of UHPC Precast Concrete Containing Incinerator Fly Ash, Journal of Testing and Evaluation, December 2017, ASTM International,
DOI: 10.1520/jte20160348.
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