The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational …

Apr 10, 2025 · The Romans used concrete to build major structures, and its use was known for thousands of years before that. After this period, concrete use disappeared until the seveneeth …

The ACI Foundation is pleased to announce the opening of registration for the much-anticipated 2025 Concrete Innovation Forum, formerly known as the Technology Forum. Scheduled from …

Extreme Concrete History Part 1 of 2 ACI Spring 2010 Xtreme Concrete Convention March 21 - 25, Chicago, IL

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most …

Definition of portland cement Q. What is portland cement? A. Portland cement is the product obtained by pulverizing clinker, consisting of hydraulic calcium silicates to which some calcium …

Where the original concrete was of low resistance to frost action, concrete made using it as aggregate had improved frost resistance. It is concluded that recycling concrete for use as …

May 1, 2004 · Title: Flexural Stiffness of Reinforced Concrete Columns and Beams: Analytical Approach Author (s): Madhu Khuntia and S. K. Ghosh Publication: Structural Journal Volume: …

Nov 1, 1991 · Abstract: Concrete repairs always include bonding surfaces between the new concrete and the repaired structure, but the factors influencing the durability of new-to-old …

A complete listing of all ACI Free Web Sessions is included. These sessions are recorded presentations from ACI Conventions and other concrete industry events, made available for …