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Materials

Concrete / cement

News and Updates

Events

Projects and Programs

Photograph of SRM 114r Portland Cement Fineness Standard showing labeled mylar bag and vial.

Continuing Support of Cement Manufacturing

Ongoing
NIST SRMs for Portland cement and related materials are the de facto world standards for validation of analytical methods for testing of cement for compliance with manufacturing specifications and for qualification of laboratories throughout the supply chain, including cement plants, construction
Aggregate Concrete

Assessing Pyrrhotite in Concrete

Ongoing
Objective Develop a standard test method and a set of calibration reference materials to quantify pyrrhotite in concrete; document pyrrhotite/aggregate/concrete reactions and rates so that the most deleterious reactions can be efficiently reduced or eliminated; and evaluate proposed mitigation

Accelerated Weathering Laboratory: Metrology and Technology Transfer

Ongoing
Objective By 2027, validate and implement the NIST Accelerated Weathering Laboratory (AWL) technology for conducting accurate and traceable aging experiments. By 2028, transfer the SPHERE technology to industrial stakeholders. Technical Idea A NIST Accelerated Weathering Laboratory (AWL) has been

Publications

Software

MicroChar

MicroChar

(Return to Cement Hydration and Degradation Modeling Software) Accurate quantitative data on cement and clinker microstructure images can prove valuable for

VCCTL Software

(Return to Cement Hydration and Degradation Modeling Software) The Virtual Cement and Concrete Testing Laboratory (VCCTL) software provides a virtual testing

Awards