BISMARCK, N.D., Feb. 14, 2020 /PRNewswire/ -- MDU Resources Group, Inc. (NYSE: MDU) announced today it has acquired the assets of Oldcastle Infrastructure Spokane, the Washington-based ...

The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

As sustainability becomes a central driver in construction, environmental product declarations (EPDs) are emerging as powerful tools for the entire building value chain. The Precast/Prestressed ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Concrete is an attractive building material because of its relatively low cost, environmental stability, and high compressive strength. Due to its inherent low tensile strength, however, concrete ...

1. It all begins at the prestressed concrete plant. 2. This is called a prestressing strand. Made of high strength steel, it will soon be embedded in concrete. 3. The prestressing strand is stretched ...

The California pavement was placed in a total of eight hours—five hours one night (after 10 p.m.), and three hours the next. The controlled environment of the casting yard, say proponents of precast ...

New self-stressed concrete designed by Swiss scientists uses anchorless carbon instead of steel. Concrete is the most used construction material in the world—by a lot. Using less vulnerable carbon ...