Steel prices increased 1.2 percent from August to September, according to the latest Producer Price Index issued by the Bureau of Labor Statistics. Concrete prices remained unchanged, while asphalt was down 0.4 percent and lumber declined 1.1 percent.  Over the last 12 months, steel is up 13.8 percent, asphalt rose 5.1 percent, and lumber increased […]

The Massachusetts Institute of Technology has released preliminary research findings that will help set a new standard in life-cycle assessment (LCA) modeling. The studies are part of the ongoing research initiative at the MIT Concrete Sustainability Hub, which was formed in late 2009 in collaboration with the Portland Cement Association and Ready Mix Concrete Research […]

Late in summer 2010, the University of New Hampshire Stormwater Center (UNHSC) initiated research on permeable interlocking concrete pavements (PICP).   Approximately 14,000 square feet of permeable interlocking concrete pavers were installed on a driveway and parking lot, replacing an existing, worn asphalt pavement  The pavement cross section consists of 3-1/8 inch-thick permeable concrete pavers placed […]

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