A proposed ASTM International standard will be used to evaluate the tensile performance of fiber-reinforced concrete (FRC) using cylindrical specimens with double-punch loading. A proposed ASTM ...

ASTM International has published a standard for a new material used as an expansion joint filler for sidewalks, driveways, curbs, gutter, parking areas, roadways, and other concrete construction. ASTM ...

Lautenbach and Waalkes also understand that while concrete is foundational to the success of so many structures in society, so too is a Calvin education.

This latest accomplishment joins the company’s previously secured ASTM certifications, enhancing the features and expanding the end-uses for its microalgae-based bio-cement and bio-concrete. BOULDER, ...