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The winning projects were announced at the 2024 ACI Excellence in Concrete Construction Awards Gala during the ACI Concrete Convention on November 4, 2024, in Philadelphia, PA, USA. Nominations were judged on architectural and engineering merit; creativity; innovative construction techniques; ingenuity; sustainability and resilience; and functionality.
Available in the following language(s): Spanish
Carbon neutrality has been set by the industrial world as a goal to be reached by 2050. In this article, the authors attempt to provide a clear vision of the nature of the turmoil concerning carbon neutrality in cement and concrete industries and discuss measures toward this historic transformation.
Available in the following language(s): Spanish
Overdesigning concrete mixtures for compressive strength results in an increased carbon footprint due to much higher cementitious materials content and added construction costs. This article discusses some of the reasons why concrete mixtures are overdesigned and offers recommendations to avoid unnecessarily high overdesigns.
Available in the following language(s): Spanish
The 2024 ACI Excellence in Concrete Construction Awards overall winner is the TSX Broadway – Palace Theater Development. This 48-story redevelopment project in Times Square involved the transformation of the existing Palace Theater and the integration of advanced concrete methods to support its elevated structure and historic elements while maintaining sustainable practices.
Available in the following language(s): Spanish
ASTM C94/C94M, “Standard Specification for Ready-Mixed Concrete,” used to include a requirement for completing discharge of concrete from a concrete truck within 90 minutes from batching. Starting with the 2021 edition of the standard, this rule was replaced with the alternative for a time limit to be established between the purchaser and the concrete producer.
Available in the following language(s): Spanish