It's No April Fools - ACI Announces Dates for the Spring Convention The 2021 ACI Concrete Convention this spring is now virtual. The ACI Virtual Concrete Convention is planned for March 28 to April 1, 2021 January 7, 2021 The American Concrete Institute announces that the ACI Virtual Concrete Convention will be held March 28-April 1, 2021. Originally scheduled as an in-person event in Baltimore, MD, USA, this 100% virtual event will provide ease for participation from anywhere around the world while prioritizing attendee safety. This follows with the Institute's earlier news this week on ACI Member benefits, providing free access to all ACI University live webinars, free access to 260+ on-demand courses, and unlimited access to the Institute’s practices (including all ACI guides and reports) and symposium volumes.