Sources: National Institute of Standards and Technology, Gaithersburg, Md.; CP staff The U.S. Department of Commerce’s National Institute of Standards and Technology (NIST) has named members of a technical team investigating the June 2021 partial collapse of the reinforced concrete Champlain Towers South condominium in Surfside, Fla. Cornell University Professor of Civil Engineering Kenneth Hover and ACI Committee 318 Immediate…
Read MoreTag: ACI 318
Collaboration and comment tools accompany digital ACI 318 guide
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 management strategies and protects files by requiring a one-time…
Read MoreACI 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.…
Read MoreDigital 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…
Read MoreACI 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.”
Read MoreNRMCA 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.
Read More