Sources: Master Builders Solutions, Beachwood, Ohio; CP staff Master Builders Solutions’ new Concrete Now! app, available in desktop, plus mobile iOS or Android versions, equips concrete practitioners with fiber dosage, carbon footprint, surface evaporation, and mix temperature or volume calculator or estimator tools. “Producers have many facets of their business to manage each day, and we understand the intricacies of making small improvements…
Read MoreDay: August 28, 2023
Knife River Prestress assists PCI Big Beam top gun Oregon State
Source: Precast/Prestressed Concrete Institute, Chicago; CP staff A three-member Oregon State University team took the Precast/Prestressed Concrete Institute 2023 Engineering Design Competition. Also known as Big Beam, it challenges college or university engineering students to design, build and test a 20-ft. precast, prestressed beam. Teams progress with oversight from a faculty advisor and local or regional PCI producer member—Knife River…
Read MoreACI 302, ASCC survey stakeholders on portland-limestone cement mixes
Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff American Concrete Institute Committee 302, Construction of Concrete Floors, and the American Society of Concrete Contractors are inviting practitioners to share their experiences placing and finishing mixes bearing ASTM C595, Type IL portland-limestone cement (PLC). Their 15-question survey, posted here, launches as cement producers rapidly roll out Type IL—typically ground clinker plus…
Read MoreMartin Marietta, Drake Cement parent pen California plant deal
Sources: Martin Marietta Materials Inc., Raleigh, N.C.; Unacem Corp. S.A.A., Lima Martin Marietta Materials has entered a definitive agreement to sell its Tehachapi, Calif. cement plant to Unacem Corp., Peru-based parent company of Arizona’s Drake Cement. With a projected closing by year end, the $317 million cash deal will position Unacem with 1.7 million tons of U.S. clinker capacity, about…
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