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Lafarge Agilia SCC, NewCem specs hold water for Virginia tunnel elements

30-NS-Lafarge-150Lafarge North America is playing a major role in the construction of a 4,800-ft., two-lane tunnel under the Elizabeth River in Hampton Roads, Va. Adjacent to the existing U.S. 58 Midtown Tunnel, the West Midtown Tunnel will double traffic capacity between the cities of Norfolk and Portsmouth, helping to alleviate congestion while separating tightly confined eastbound and westbound vehicles.

 

Read more: Lafarge Agilia SCC, NewCem specs hold water for Virginia tunnel elements

ASTM C13 issues premier precast segmental box culvert standard

28-NS-ASTM-150Newly published ASTM C1786, Specification for Segmental Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers Designed According to AASHTO LRFD relieves producers and engineers from having to refer to ASTM standards for similar structures lacking segmental culvert design and fabrication specifics.

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Developer patents, licenses production of precast pervious pavement

26-NS-PercoaII-150On the heels of patenting a precast pervious concrete system and related stormwater filtration methods, Minneapolis-based Percoa USA, LLC sees a range of commercial and residential market applications. “We have demonstrated the durability of [the product] as well as its effectiveness in capturing and filtering runoff,” affirms President Brett Pomerleau, and “are moving to license [the] technology to companies ready to manufacture pervious slabs and pavers.”

 

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ASCE brings needed technical perspective to water-wise campaign

The Environmental Protection Agency has teamed with the American Society of Civil Engineers, American Society of Landscape Architects and a host of associations, federal agencies and environmental groups behind the Green Infrastructure Collaborative, advancing stormwater management, water conservation and pollution control measures.

 

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Penn professor pursues BIM for Masonry research on project workflow

24-NS-HuntsmanHall-150Building Information Modeling for Masonry Initiative (BIM-M) members have tasked University of Pennsylvania’s Dr. Franca Trubiano with reporting on brick and block construction workflows, spotlighting especially Huntsman Hall, a signature masonry building on her school’s Philadelphia campus.

Read more: Penn professor pursues BIM for Masonry research on project workflow