Deep water cooling
Keeping interior spaces cool in summer is much less energy- and carbon efficient than heating them in winter. For this reason, most of the CALGreen provisions for making buildings energy […]
Keeping interior spaces cool in summer is much less energy- and carbon efficient than heating them in winter. For this reason, most of the CALGreen provisions for making buildings energy […]
In the Middle Ages, alchemists sought in vain to turn base metals into gold. Now all that remains of alchemy is some laboratory equipment. But imaginative urban planning offers a […]
The National Academy of Sciences has published our committee’s final report, in which we address the public comments on our previous reports and the study overall. Our committee provided oversight […]
When I was a graduate student in the 1980s, papers about high-performance concrete nearly always started out by explaining that “high performance” means more than high strength. Then they went […]
Beton’s Kevin MacDonald designed the concrete mixture proportions and performed thermal control modeling for the I-91 Brattleboro Bridge in Vermont. The bridge took First Place in the Infrastructure Division of […]
Agricultural concrete must be durable because farm animals generate wastes that are acidic and contain sulfates, chlorides, and other salts. Between the animal wastes and the cleaning that keeps the […]
Members of the Hmong American Farmers Association (HAFA) got a preview of their new Brussels sprouts harvester last week. HAFA is a cooperative that owns 150 acres near Rosemount, MN. […]
The Tri-City Herald reports that certain radioactive wastes at the Hanford site in Washington State may be treated by mixing them into cement-based grout. The radioactive wastes from the Manhattan […]
In addition to my work with Beton, I teach technical writing as part of a two-semester capstone course in the School of Engineering at the University of St. Thomas in […]
The St. Croix Crossing received a Bridge Design Award of Excellence from the Portland Cement Association. The award is based on five criteria: structural design, function, aesthetics, sustainability and economics. Michelle […]