Public comment period for ACI 318-19 draft continues

Source: American Concrete Institute, Farmington Hills, Mich.

ACI is accepting feedback through February 6 on the proposed ACI 318-19: Building Code Requirements for Structural Concrete, the draft posted here. The new edition will be the first since a reorganized format was published in 2014 and include new or updated provisions on transverse reinforcement and shear in wide beams, hanger reinforcement, bi-directional interaction of one-way shear, and reference to ACI certifications. Existing provisions expected to receive significant updates and clarifications include two-way shear strength, ordinary walls, seismic loads, reinforcement detailing, analysis, and numerous materials requirements. Analysis methods for two-way slabs and provisions on shear heads and composite concrete columns are expected to be removed.  

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NASA 3D-Printed Challenge ignites World of Concrete Start-Up Zone

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

The ACI Foundation’s Strategic Development Council (SDC) is the lead sponsor of the Concrete Start-Up Zone, debuting at World of Concrete 2019, January 22-25. Based at Las Vegas Convention Center Booth N153, within the show’s Producer Center, the exhibit will feature emerging technologies and innovations, led by National Aeronautics and Space Administration 3D-Printed Habitat Challenge concepts. Participating teams will discuss the status of their research on 3D printing methods for concrete structures. Additional information on the Start-Up Zone or SDC activities can be obtained from ACI Foundation Assistant Director Tricia Ladely, [email protected]. —

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NRMCA begins harnessing data to update Industry Wide-EPD

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

NRMCA is updating the Industry-Wide Environmental Product Declaration to address evolving requirements producer members confront when project owners or design teams apply Life Cycle Assessment criteria or request EPD submittals, often in conjunction with LEED v4 green building certification. 

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