ConcreteTech’s lightweight girders carry the day in Interstate bridge span replacement

Sources: Washington State Department of Transportation; CP staff

Accelerated delivery of North Carolina-processed expanded slate aggregate enabled Tacoma, Wash.-based Concrete Technology Corp. to fabricate precast/prestressed girders meeting Washington State Department of Transportation specifications for this year’s highest profile Interstate Highway System bridge repair.

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Ground limestone-bearing cement nears 50 percent of British Columbia shipments

Sources: Cement Association of Canada (CAC), Ottawa; CP staff

Two years after its launch across Canada, an industry-branded portland cement with up to 15 percent ground limestone content—promoted for reducing carbon dioxide emissions by 10 percent against conventionally milled powder—has gained significant traction among concrete producers and their customers.

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Australians test carbon dioxide-capturing carbonate production

Sources: University of Newcastle; CP staff

A new method for permanently storing carbon dioxide emissions generated from fossil fuels and other industrial processes is at the heart of a mineral carbonation pilot plant to be built at the University of Newcastle’s Institute for Energy and Resources.

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Solar array positions Shea Concrete plant for net zero operation

Source: Shea Concrete Products, Amesbury, Mass.

Shea Concrete Products has powered up a 389-kW array that will provide electricity for its production and offices in Amesbury, Mass. The installed solar system went live August 30 and will produce an estimated 421,000 kilowatt-hours per year. This generates enough electricity to fully run the Amesbury location without requiring any additional sources of electricity.

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