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 […]
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 […]
While it may seem that natural disasters are becoming more frequent and more severe, it isn’t necessarily so. However, more people are moving to areas that are exposed to flooding, […]
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 […]
ASTM C1556 is a test we use to assess the ability of concrete to resist the ingress of chloride ions. If we’re designing a high-performance concrete for a new parking […]
One way to make structures more sustainable is to make them durable. You can design your concrete for durability. You can also design and detail your concrete structure for durability. […]
NT Build 492 is a test that determines the diffusion coefficient of concrete. Diffusion is the movement of a dissolved substance under a concentration gradient. That is, ions in solution […]
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 […]
Concrete failure analysis is a complex process. That’s because engineering is a conservative profession. After all, who wants us to take unnecessary risks when public safety and millions of dollars […]
State DOTs want their bridges to have a service life of 75 years or longer, which means they need durable concrete. As a contractor, how can you be sure your […]