Structural News

Researchers test tire-derived aggregate applications

Jim Simmons is a big believer in tire derived aggregate (TDA) and the benefits it offers civil engineering projects. For the last six years, he has been working with TDA manufacturer Halifax C&D Recycling Ltd. to market the product to civil engineers, private contractors and to the provincial and municipal governments across Nova Scotia.

ACI announces new structural concrete specs

The American Concrete Institute (ACI) announced the availability of two new documents for concrete industry professionals: ACI 301-16 Specifications for Structural Concrete, and the ACI Field Reference Manual.

Washington, D.C. bridge replacement project earns honor

STV received a Project Achievement Award in the Infrastructure category (under $25 million) from the National Capitol Region Chapter of the Construction Management Association of America (CMAA) for its role in the District Department of Transportation (DDOT)-led replacement of the 27th Street Bridge over Broad Branch Stream in Washington, D.C.

New Central Avenue Bridge superstructure slides into place

A new superstructure will be laterally slid into its permanent place at the Central Avenue Bridge in Fort Erie, Ontario. The Regional Municipality of Niagara has partnered with Hatch to replace the 63-year-old bridge and extend the structure’s life as a local transportation corridor.

NIBS opposes ABA codes and standards resolution

The National Institute of Building Sciences (NIBS) issued an open letter to delegates attending the upcoming American Bar Association (ABA) Annual Meeting in August informing of the potential long-term impacts should they vote to support a proposed resolution. The resolution — which advocates that copyrighted codes and standards incorporated by reference in legislation and regulation be made available for free — would alter the way codes and standards are developed in the United States.

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