ACI 318 steers Institutes on path toward Post-Tensioned Structural Concrete Code

An American Concrete Institute and Post-Tensioning Institute partnership, formalized through the new joint ACI-PTI Committee 320, Post-Tensioned Structural Concrete Code, responds to expressed industry need for building code requirements addressing the unique aspects of post-tensioned concrete design. ACI-PTI 320 will develop and maintain a companion to ACI 318, “Building Code Requirements for Structural Concrete.” Chairing the committee will be Dr.…

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Digital ACI 318 guide launches with collaboration tools

Sources: Concrete Reinforcing Steel Institute, Schaumburg, Ill.; CP staff The Concrete Reinforcing Steel Institute has released a pdf version of Design Guide on the ACI 318 Building Code Requirements for Structural Concrete, formatted with a digital rights management encryption service that enhances user experience through a commenting and collaboration platform. The service echoes best practices from other organizations’ digital rights…

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ACI broadens standards reach, concrete knowledge from the ICC to Gulf of Tonkin

Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff

An expanded ACI scope reflecting a proactive approach to global standards advocacy is embodied in a revised mission statement: “ACI develops, disseminates, and advances the adoption of consensus-based knowledge on concrete and its uses.”

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NRMCA research finds cause to revisit ACI 318 chloride limits

Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff

In collaboration with Dr. Neal Berke of Kalamazoo, Mich.-based Tourney Consulting Group, NRMCA 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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