Structural fiber reinforced polymer-wise retrofit contractor Composite Construction LLC is targeting corrosion control at this month’s MINExpo 2021 in Las Vegas with the unveiling of a concrete formulated to withstand exposure to highly acidic and other corrosive compounds, no coatings required. ARC Acid Resistant Concrete is applied directly to an existing structure, giving it immediate protection in environments that are…
Read MoreDay: September 18, 2021
ACI Concrete Convention set for Atlanta; virtual options abound
Engineers, contractors, educators, manufacturers, and material representatives will assemble at the ACI Concrete Convention in Atlanta, October 17-21, to collaborate on concrete codes, specifications, and practices. Technical and educational sessions will provide perspectives on the latest research and industry developments, along with the opportunity to earn Professional Development Hours. Select programming will also be available live or on-demand to attendees…
Read MoreECOncrete secures power transmission traversing Long Island Sound
Placement of 50 nature-inclusive ECOncrete Marine Mattresses, totaling 6,250 sq. ft., is providing large-scale armoring and protection for the Cross-Sound Cable, a 24-mile underwater electrical transmission line under contract by Eversource and the Long Island (N.Y.) Power Authority. Operated by PSEG Long Island, the cable allows electricity to be transmitted between Long Island and Connecticut. The articulated concrete block mattresses…
Read MoreIllinois Brick becomes critical link in Brickworks vertical integration
Brickworks Ltd., the ambitious New South Wales, Australia operator building a North American platform from a 2018 deal for Pennsylvania’s Glen-Gery Corp., will strengthen its Great Lakes region clay and concrete unit production and distribution footprint by acquiring certain assets of Palos Hill, Ill.-based Southfield Corp. At the heart of the $51 million transaction are Illinois Brick Co. and six…
Read MoreForney, Command Alkon integration powers Titan Virginia’s QC
The ForneyVault integrated construction materials testing platform has recently added Command Alkon to an expanding list of software integration partners, enabling mutual customer Titan Virginia Ready-Mix LLC to link compressive strength testing machines directly to the quality control process. The Norfolk-based producer uses Command Alkon COMMANDqc software to validate ready mixed concrete quality. COMMANDqc tools manage materials, mixes, tolerances, documentation,…
Read MoreCement developer Hoffmann lands U.S. patent for alkaline powder
After nearly three years of examination, the United States Patent Office has validated the Hoffman Green Cement Technologies H-EVA patent (US 2021/0179492 A1). Promoted as an alternative to portland cement for ready mixed concrete, mortars and plaster, H-EVA encompasses flashed clay sludge, natural or synthetic (flue gas desulphurization) gypsum, plus proprietary chemical “activators and superactivators.” The mineral processing and chemistry…
Read MoreDOT Advisory Board pens QC Manual for FRP Reinforcement
After more than 18 months of planning and development, Indiana-based engineering and construction consultancy Regulatory Resources LLC, along with the DOT Advisory Board it administers, have created an auditing program to certify the quality of structural concrete-grade fiber reinforced polymers (FRPs). Scheduled for early-2022 release, their FRP Quality Control Manual will serve as a guidance documentation for an auditing program…
Read MoreNIST appoints Cornell’s Hover, ACI 318’s Moehle to tower investigation team
The U.S. Department of Commerce’s National Institute of Standards and Technology (NIST) has named members of a technical team investigating the June 24, 2021 partial collapse of the reinforced concrete Champlain Towers South condominium in Surfside, Fla. Progressive column and slab failure took the lives of 96. Cornell University Professor of Civil Engineering Kenneth Hover and ACI Committee 318 Immediate…
Read MoreReport prioritizes transportation infrastructure resilience assessment
To ensure routine and deliberate attention to resilience in transportation investments, Congress should consider requiring all projects that are candidates for federal funding undergo resilience assessments to account for natural hazards, according to a new National Academies of Sciences, Engineering, and Medicine report. Despite significant progress made over the last decade in integrating resilience criteria into transportation decision-making, authors find…
Read MoreEPA clips NOx, embraces zero emissions models in ‘Clean Trucks Plan’
The Environmental Protection Agency has scheduled 2022-24 release of rulemakings to extend the sharp reduction of heavy-duty truck emissions realized from the 2010 measure that standardized diesel particulate filter, selective catalytic reduction, and related exhaust treatment system components in on- and on/off-highway fleets. Initial “Clean Trucks Plan” action, applicable to 2027 and later model year Class 8 vehicles, will set…
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