Findings in a Ready Mixed Concrete Research & Education Foundation report support reexamination of the 90-minute delivery threshold in ASTM C94, Standard Specification for Ready Mixed Concrete. The just-released “Impact of Extended Time to Discharge on Concrete Durability and Performance” covers a New Jersey Institute of Technology (NJIT) investigation of concrete specimen freeze-thaw performance and resistivity.
Read MoreSources: Ready Mixed Concrete Research & Education Foundation, Alexandria, Va.; CP staff
Findings in a new RMC Research & Education Foundation report, “Impact of Extended Time to Discharge on Concrete Durability and Performance,” support reexamination of the 90-minute delivery threshold in ASTM C94, Standard Specification for Ready Mixed Concrete.
Read MoreSources: GCP Applied Technologies, Cambridge, Mass.; CP staff
A new Texas Department of Transportation Special Provision Specification notes that mixer trucks deploying sensor-enabled slump adjustment equipment like GCP Applied Technologies’ Verifi automated water and chemical admixture dosing system meet ASTM C94, Standard Specification for Ready-Mixed Concrete requirements.
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