Source: American Concrete Institute, Farmington Hills, Mich. The 2022 ACI Collection spans 50-plus code or specification and 200-plus practice guides or reports, including more than 10 newly published documents addressing such topics as thermal bridge mitigation, polished slab finishes and crack repair. Billed as the most comprehensive and largest single source of information on concrete design, construction and materials, the…
Read MoreTag: Structural Concrete
Revised ACI benchmark factors internal curing, recycled aggregates, SCC, MOE
Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff The American Concrete Institute has expanded the scope of ACI 301-20, Specifications for Concrete Construction, to include internal curing, mineral fillers and recycled aggregates, along with evaluation requirements for elements cast with self-consolidating mixes and structures with defined modulus of elasticity requirements. Compliance details throughout the document have been updated to…
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 MoreACI 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.
Read MorePublic 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.
Read MoreFRP 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.
Read MoreInvestors 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.
Read MoreACI 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.
Read MoreACI 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.
Read MoreEngineer-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.
Read More