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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ACI 318-19 Building Code debuts with new aggregate, SCM provisions

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

ACI 318-19 Building Code Requirements for Structural Concrete has been released in print and digital formats. The new edition has full-color illustrations to improve clarity, and includes major technical changes in higher reinforcing steel yield strengths; added shotcrete and deep foundation provisions; seismic requirements for deep foundations and other applications; vertical seismic motions; nonlinear analysis for seismic design; modification to development length equations; and, updated shear design provisions and equations. 

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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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FRP Symposium, Sustainability Forum milestone highlight ACI fall convention

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

ACI is projecting attendance of 2,000-plus engineers, architects, contractors, educators, manufacturers, and material producers from around the world for the Concrete Convention and Exposition, October 15-19 in Anaheim, Calif.

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Investors capitalize Big Apple-centered Boccella Precast

Sources: Main Street Capital Corp., Houston; CP staff

Main Street Capital has announced an $18.6 million outlay combining first-lien, senior secured term debt and direct equity investment in Berlin, N.J.-based Boccella Precast LLC, a structural concrete products operator serving metropolitan New York, Northeast and Mid-Atlantic markets. The firm partnered with Ashland Capital Partners, Chicago, and Boccella management on the transaction.

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ACI past presidents anchor 2017 webinar series

Source: American Concrete Institute, Farmington Hills, Mich.

The American Concrete Institute’s Presidents Series of webinars debuts February 7 with “ACI 318: What’s in Your Spec?” William E. Rushing Jr., P.E., FACI, will discuss the importance of specifications in realizing designer intentions for the concrete being placed and constructed.

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ACI releases Structural Concrete, Field Reference titles

The American Concrete Institute announces the availability of two primary documents for concrete industry professionals: ACI 301-16 Specifications for Structural Concrete, and the ACI Field Reference Manual. The former is a reference specification an architect or engineer can apply to any job involving structural concrete by citing it in the project specifications. Mandatory and optional requirements checklists assist design and engineering professionals in supplementing the provisions of this specification as required or needed by designating or specifying individual project requirements.

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Engineer-friendly ACI 318-14 debuts after code’s exhaustive reorganization

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

Gathering in Washington D.C. for its fall convention, ACI officially released the completely reorganized ACI 318-14: Building Code Requirements for Structural Concrete, to be referenced in 2015 International Building Code.

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ACI opens 45-day 318-14 public review, adds social media twist

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

In accordance with its standardization procedure, ACI has opened public discussion for the completely reorganized ACI 318-14, “Building Code Requirements for Structural Concrete and Commentary,” with comments on the document relayed through an official submittal form by June 17.

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ACI Committee 318 reorganizes Building Code around designs’ structural members

American Concrete Institute ACI 318 Building Code Requirements for Structural Concrete

American Concrete Institute is finalizing ACI 318-14: Building Code Requirements for Structural Concrete, announcing at World of Concrete 2014 the streamlined document’s new orientation to engineers; more intuitive flow of requirements compared to earlier versions; and, centralized construction requirements in a single chapter.

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