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Concrete Q&A: Effective Depth of Section with More Than One Layer of Tension Reinforcement—A Response to Reader's Comments

This month's Q&A is a continuation of the topic discussed in the Q&A published in the December 2023 issue of CI. It contains a response to comments received from a reader on not considering skin reinforcement in shear strength calculations.

Available in the following language(s): Spanish

Sustainable Flooring Options: VCT Flooring or Sealed Polished Concrete

Vinyl composition tile, luxury vinyl tile, and polished concrete floors all require regular applications of protective coatings or sealers to maintain their initial appearance. To lower maintenance costs for such floors and make them more environmentally friendly, nanotechnology-based coatings and sealers are becoming a valuable option.

Available in the following language(s): Spanish

Industry Impact, Part 1

The ACI Foundation's Fellowship and Scholarship Program has been steadily growing over the last 20 years. The program focuses on seeking out and awarding financial aid to high-potential students with varied career pursuits in concrete industry from across the United States, Canada, Mexico, the Middle East, and North Africa. Part 1 of this article introduces eight of these individuals, who share their experiences about receiving their awards and establishing themselves in their professional careers.

Available in the following language(s): Spanish

Celebrating a Decade of ACI Excellence Award Winners

The ACI Excellence in Concrete Construction Awards promote the overall growth of the concrete industry by encouraging creative building solutions and the use of new technologies. Starting from a roundtable suggestion in 2011, the program has evolved to an international success and is still continuing to grow.

Available in the following language(s): Spanish

An Origami Roof at the Arkansas Museum of Fine Arts

The Arkansas Museum of Fine Arts in Little Rock, AR, USA, has a new folded plate concrete roofline which became the museum's signature architectural element. Built of thin concrete plates arranged in angular folds, the roof covers a series of pavilions branching out like flower stems-creating a glassed-in gathering space for visitors on one end and a dining terrace on the other.

Available in the following language(s): Spanish