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NRMCA research findings justify a revisiting of ACI 318 chloride limits

In collaboration with Dr. Neal Berke of Kalamazoo, Mich.-based Tourney Consulting Group, the National Ready Mixed Concrete Association has completed research to a) establish a relationship between the calculated total (initial) chloride content and measured water-soluble chloride content in hardened concrete; and, b) potentially give ready mixed producers latitude in mixture adjustments on projects bound by ACI 318 Building Code Requirements for Structural Concrete.

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Caterpillar aligns with brick-laying robotics specialist

A memorandum of understanding positions Caterpillar Inc. and Australia-based Fastbrick Robotics to collaborate on development, manufacturing, sales and servicing of the latter company’s bricklaying technology. Effective for 12 months, it will see Caterpillar take a $2 million stake in Fastbrick Robotics, potentially followed by an additional $8 million investment.

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Gage Brothers budgets $40 million for successor to century-old flagship plant

Gage Brothers projects a 2019 opening for an advanced, 210,000-sq.-ft. headquarters operation in Sioux Falls, S.D., where it was founded in 1915 and presently has precast/prestressed concrete production spread across 16 buildings on 30 acres, charter plot included.

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Tindall crafts coastal Carolina aesthetic in durable precast

Tindall Corp. continues to reveal its diverse architectural finish capabilities. The Spartanburg, S.C.-based precast/prestressed producer recently teamed with Avetex Commercial Properties on the Shem Creek Mixed-Use project, netting an innovative Mt. Pleasant, S.C., development with durability equal to the coastal climate.

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Paris Accord prompts cement companies’ low-carbon production method audit

A new report from the World Business Council for Sustainable Development’s Cement Sustainability Initiative (CSI) focuses on technology availability and the need to scale up research and development that can help the cement industry mitigate its greenhouse gas emissions. In light of the United Nations Framework Convention on Climate Change Paris Agreement’s entry into force, CSI effected an in-depth review of its original technology papers from 2009, when the sector issued the first ever low-carbon technology roadmap in partnership with the International Energy Agency (IEA).

Read more: Paris Accord prompts cement companies’ low-carbon production method audit