John Ries

John Ries's Posts

  • ASTM Standard Specification for Lightweight Aggregate for Internal Curing of Concrete is benefiting concrete contractors more than a year after it was written.

  • When the ASTM Standard Specification for Lightweight Aggregate for Internal Curing of Concrete was published in 2012, the standard change revealed a new understanding about the importance of high-level hydration of concrete. One year later, we look at how ASTM Standards C09 and C09.21 are benefiting the concrete industry.

  • Reader Response

    From our perspective, the article as well as the response by Mr. Ahal makes excellent points in addressing the issue of finishing lightweight concrete. However the real issue as we see it is not finishing lightweight concrete but finishing air-entrained concrete.

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