Critical ACI 318-19 Code changes streamline reinforced concrete structure design

By Lou Colarusso and Samuel Barker Throughout the past decade, committee members and key industry players attending meetings held by leading organizations [Concrete Reinforcing Steel Institute (CRSI), American Concrete Institute (ACI) and others] frequently engaged in unofficial discussions centered around what changes needed to be made to advance the reinforced concrete construction industry and to improve constructability and job site…

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MANUFACTURERS – OCT 2021

Bob Mills has been promoted from director of Product Development to director of Sales & Marketing at Hamilton Form Co., Fort Worth, Texas. He continues a family tradition that began when his father was employed at Hamilton Form, and over the years has had shop floor duty, performed field service work, and managed production. “Bob is one of our best…

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ORGANIZATIONS – OCT 2021

The RMC Research & Education Foundation is collaborating with the National Ready Mixed Concrete Association and its Research, Engineering & Standards Committee (RES) on identification of industry research needs and referral of proposals for potential funding. Members of an RES task group, chaired by Bruce Blair, president of Consumers Concrete in Kalamazoo, Mich., have developed a list of concrete materials…

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PRODUCERS – October 2021

Holcim AG has closed on Utelite Corp., adding the Coalville, Utah expanded shale lightweight aggregate producer to Holcim (US) Mountain Region materials operations serving the Denver, Las Vegas and Phoenix markets. Utelite mills lightweight or structural concrete-grade expanded shale in coarse, medium and three fine classes. Its deposit east of Salt Lake City has 60-plus years of reserves. Rockingham Redi-Mix…

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Concrete Product Category Rule 2.1 factors new cement data

In collaboration with the Product Category Rule (PCR) Committee, Michigan auditor NSF International has revised the Concrete PCR to include new life cycle inventory data sources. The revisions inform individual plant or producer, or industry average, environmental product declarations (EPD) for ready mixed and manufactured concrete. Portland Cement Association recently published new industry average EPDs for Portand Cement and Portland-Limestone…

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Silica-free compound premiers for slab hardening, densifying

Utah-based slab treatment compound specialist Convergent Concrete Technologies bills its newest offering, the STRiON series, as a revolutionary new method of surface densification and hardening. Instead of silica, the formulation uses an ionic transfer process to disperse deep into concrete to make it more resilient, resistant to traffic, dustproof, easy to clean, and prepped for polishing. Applied to new or…

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StressCrete spun pole harbors electric vehicle charging station

StressCrete Group of Burlington, Ontario has begun embedding a Level II Electric Vehicle (EV) charging station, or VoltLock, in its centrifugally cast, prestressed concrete Alexander pole. The package provides a discrete and convenient means of powering EV batteries. Base cavities in the lighting structure conceal power supply equipment, affording station users and owners a safe, tamperproof solution. The Alexander profile…

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Cemex and Volvo Group pursue zero-emissions fleets the world over

  Cemex S.A.B. de C.V., Volvo Trucks and Volvo Construction Equipment have reached a memorandum of understanding to develop electromobility solutions for on-, on/off- and off-road vehicles, including uptime services. Replacement of diesel-powered trucks and construction equipment with battery-equipped alternatives will advance the quest for a zero carbon dioxide emissions fleet and Future in Action climate program, where Cemex sets…

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Big Beam Competition honors Missouri, N. Arizona, Lehigh teams

University of Missouri Kansas City, Team 2 took the Precast/Prestressed Concrete Institute 2021 Engineering Student Design Competition, also known as the Big Beam Competition. Jose Luis Ramirez and Juan Carlos Plasencia Chinchay prevailed with guidance from Civil Engineering Professor Thiagarajan Ganesh and Terry Fleck of Coreslab Structures (Kansas). Now in its 21st year, Big Beam teaches college students important structural…

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