Embodied carbon in concrete

The January 2020 issue of Architect, the journal of the American Institute of Architects, quotes Julie Buffenbarger in its article on zero-net-carbon structural materials. Seeking to reduce the carbon footprint […]

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Concrete “permeability” tests

For the most part, so-called concrete “permeability” tests measure something other than permeability. Permeability is the ease with which fluids can move through a porous material. That matters because most […]

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Do we expect too much from ASTM C1202?

We often — mistakenly — refer to ASTM C1202, “Standard Test Method for Electrical Indication of Concrete’s Ability to Resist Chloride Ion Penetration,” as the Rapid Chloride Permeability test. Permeability […]

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