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This article introduces the latest fiber-reinforced polymer panel system developed by the author—SPiRe®+. These panels can serve as formwork, corrosion resistant reinforcement, and waterproofing. With their flat and smooth exterior face and protruding T-profiles on the interior face, the panels act as reinforcing elements for strengthening beams, slabs, and walls.
Available in the following language(s): Spanish
In August 2024, ACI published ACI PRC-ITG-11-24: Statistical Techniques for Assessment of Existing Concrete Structures—Report. This document, prepared by Innovation Task Group 11, which was created by the ACI Technical Activities Committee, provides information on using statistical techniques to evaluate condition and reliability of concrete structures and assessing possible repair options.
Available in the following language(s): Spanish
The International Concrete Repair Institute (ICRI) announced the winners of its 2024 Project Awards. This year, three finalists were chosen, and the winner was announced on October 24, 2024. ICRI presented the Project of the Year Award to Wiss, Janney, Elstner Associates, Inc., out of Minneapolis, MN, USA, for its 3rd Avenue Bridge Rehabilitation project. ICRI awarded four additional Awards of Excellence and eight Awards of Merit.
Available in the following language(s): Spanish
Many contractors use fresno trowels on decorative concrete surfaces; however, the types of use and nuances for each use are not generally understood by the concrete industry. This month’s Q&A provides a summary of information on using fresno trowels for smoothing or for light troweling included in ACI documents as well as other resources.
Available in the following language(s): Spanish
Hollow-core (HC) slabs are precast/prestressed concrete members with continuous voids oriented parallel to the span of the slabs. Openings in HC slabs are one of the most common challenges encountered during construction. This study experimentally evaluated the effectiveness of proposed strengthening methods for HC slabs with unforeseen structural openings.
Available in the following language(s): Spanish