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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Command Alkon stake: HeidelbergCement’s ticket to tech leadership

Lehigh Hanson Inc. parent company HeidelbergCement AG announced late last month an agreement to take a 45 percent stake in Command Alkon, the global leader in software and information technology services for heavy building materials. San Francisco-based investor Thoma Bravo, which acquired Command Alkon in early 2020, will retain a 55 percent interest. The agreement is subject to regulatory approvals,…

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ASTM floor noise standard raises another wood structure red flag

A new standard from ASTM International Committee E33 on Building and Environmental Acoustics establishes an evaluation metric for low-frequency impact noise, especially the thudding from footfalls typical in multi-level buildings constructed of materials other than cast-in-place or precast concrete.

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Holcim (US) mill goes full bore on portland limestone cement

A Texas concrete materials supply chain fixture, the Holcim (US) Inc. Midlothian plant is the first cement mill in the country to fully convert to production of portland limestone cement (PLC), where fine limestone at 5 percent to 15 percent volumes is ground with clinker. The finished binder exhibits performance comparable to ordinary portland cement, but has a lower embodied…

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Holcim to cut water consumption 
in concrete, upstream operations

Holcim AG aims to reduce cement, aggregates and ready mixed concrete operations’ respective water intensities by 33 percent, 20 percent and 15 percent through 2030. Applicable to namesake, Lafarge, Aggregate Industries, Lattimore Materials and other North America or overseas brands, the targets are part of a global strategy to become nature-positive by restoring and preserving water and biodiversity, while bringing…

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Holcim to cut water consumption 
in concrete, upstream operations

  Holcim AG aims to reduce cement, aggregates and ready mixed concrete operations’ respective water intensities by 33 percent, 20 percent and 15 percent through 2030. Applicable to namesake, Lafarge, Aggregate Industries, Lattimore Materials and other North America or overseas brands, the targets are part of a global strategy to become nature-positive by restoring and preserving water and biodiversity, while…

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NRMCA joins global effort targeting net-zero carbon emissions

Source: National Ready Mixed Concrete Association, Alexandria, Va.; CP staff The National Ready Mixed Concrete Association and Build With Strength initiative have aligned with a global consortium of concrete and cement trade associations or organizations committing to a net-zero carbon dioxide emissions industry by 2050. Their action dovetails release of Global Cement and Concrete Association’s (GCCA) 2050 Cement & Concrete…

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