Sessions & Events


All sessions and events take place in Eastern Standard Time (adjusted for daylight savings time) - (UTC - 4).

All sessions & events are included in convention registration.

Change the Time Zone by selecting from the list below:

Convention Highlights

Wednesday, October 20, 2021


10:00 AM - 12:00 PM

Moderators: Gianluca Cusatis, Matthew Troemner

Concrete 3-D printing has quickly become a hotbed of research and case studies for the field; yet the related computational models and analytical methods for simulating such techniques are still in their infancy. This session is targeted toward engineering mechanists, computational scientists, and those interested in the simulation of early age concrete behavior. Presentations will focus on state of the art 3-D printing modeling techniques, including analytical methods, as well discrete element, lattice discrete element, and finite element models.
Learning Objectives:
(1) Identify the physical and mechanical material parameters governing the 3D printing process with cementitious materials;
(2) Describe how modelling can lead to optimization of material and process performance in concrete additive manufacturing;
(3) List the latest modelling developments with reference to material behavior and processes in concrete additive manufacturing;
(4) Discuss integration of multi-physics phenomena in modelling the printing process as well as the phase transition.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


10:00 AM - 12:00 PM

Moderators: Jovan Tatar, Mahmoodreza Soltani

The Open Topic Session is a forum for presenting recent technical information that could not be scheduled into other convention sessions.
Learning Objectives:
(1) Discuss the bond behavior of UHPC to reinforcement;
(2) Explain the interface shear transfer in ECC and its fracture characteristics;
(3) Summarize the effects of FRP and GFRP in concrete;
(4) Describe Ultrasonic Coda Wave Monitoring.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


10:00 AM - 12:00 PM

Moderators: Radhouane Masmoudi, John J Myers

Fiber-reinforced polymers (FRP) reinforcements have become one of the most used construction materials during the last decade. ACI Committee 440 is leading the writing of design standards and guidelines and is sponsoring these full sessions. Four 2-hour sessions will highlight and collect the most recent research, development, and application of FRP reinforcement in the concrete industry. Numerous important topics related to external and internal FRP reinforcement will be presented.
Learning Objectives:
(1 Identify the new acceptance criteria (AC521) developed under IBC Section 104.11 on how FRP bars and meshes as secondary reinforcement of non-structural concrete members are evaluated to show compliance with the provisions of the IBC;
(2) Summarize how reliability analysis of compression-controlled flexural FRP reinforced concrete members are designed using CSA S6, CSA S806, and ACI 440.1r standards;
(3) Recognize how GFRP reinforcements are used in seawall concrete application, and assessment of life-cycle analysis compared to conventional steel-reinforced caps;
(4) Explain how to provide evidence for proposed draft code provisions that can be practically implemented in typical design situations; and identify situations in which proposed draft code language may require modification;
(5) To learn about the structural design used for GFRP-RC piles. Field-collected data on pile resistance, stresses, and integrity are presented;
(6) To learn how to calculate and predict the shear strength design models for fiber-reinforced concrete deep beams.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


10:00 AM - 12:00 PM

Moderators: Aimee Pergalsky, Michelle L Wilson

ACI Committee 301 completed a comprehensive revision to the content of ACI 301, Specifications for Concrete Construction. It expanded the scope of ACI 301 and revised many of the requirements that have been in previous versions for many years. The goal of this session is to show how the design and construction team should use ACI 301 when it is referenced in Project Specifications with an emphasis on understanding the relationship between ACI codes and specifications. Topics include modifications to many of the default requirements within the specification as well as an introduction to new topics.
Learning Objectives:
(1) Explain how ACI 301 relates to and supports ACI 318-19 building code requirement;
(2) Describe the role of ACI 301 within the context of project Contract Documents;
(3) Review the changes in ACI 301-20 versus previous versions; each document section will be detailed;
(4) Outline the roles and requirements of the Contractor and Owner with regard to QA/QC.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


10:00 AM - 9:00 PM

YOUR SUPPORT NEEDED!

At each ACI Convention, the Women in ACI provide two deserving young professionals with a Young Professional Convention Sponsorship. This award pays the convention registration fee for these young professionals to help foster their ACI careers. Since inception, WACI has awarded over 19 Young Professional Convention Sponsorships. Please join your fellow ACI members in supporting the Young Professional Convention Sponsorship program by participating in the virtual Concrete Auction. Items featured at the auction are donated or created by ACI members and university students. All proceeds of the auction benefit the Young Professional Convention Sponsorship. Visit the virtual auction site and view the many wonderful and unique auction items you can purchase to support ACI Young Professionals! Your participation in this event is appreciated.


1:00 PM - 3:00 PM

Moderators: Amir Bonakdar, Liberato Ferarra

The application of fiber-reinforced concrete (FRC) has significantly expanded in the last several years along with the publication of various guides and reports by ACI Committee 544. In this session, actual projects will be presented in which fiber reinforcement has fully or partially replaced reinforcing bars in concrete, allowing optimization of construction time and procedures. Presentations will include basics of design for FRC and construction practices. Examples are industrial slabs-on-ground, light rail track slabs, foundation walls, tunnel segments, environmental structures. This session be will useful for students, engineers, contractors, testing labs, and government officials.
Learning Objectives:
(1) Review some basics on the design and construction of fiber-reinforced concrete;
(2) Discuss some of the existing / ongoing projects with fibers reinforcement;
(3) Demonstrate how fibers can be used to optimize the construction process;
(4) Summarize the positive impact of FRC in reducing carbon footprint of construction.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


1:00 PM - 3:00 PM

Moderators: Radhouane Masmoudi, Maria A Polak

Fiber-reinforced polymers (FRP) reinforcements have become one of the most used construction materials during the last decade. ACI Committee 440 is leading the writing of design standards and guidelines and is sponsoring these full sessions. Four 2-hour sessions will highlight and collect the most recent research, development, and application of FRP reinforcement in the concrete industry. Numerous important topics related to external and internal FRP reinforcement will be presented.
Learning Objectives:
(1) Discuss the influence of the infill FRP-strengthening and column’s shear reinforcement on the seismic performance, using nonlinear numerical modeling;
(2) Review previous studies and applications of carbon FRP-External reinforcements for bridges (Case-Study: Original Champlain Bridge, Montreal, Canada);
(3) List the design properties that drive a more specific and detailed design guideline for CFRP-external anchors, using full-scale testing;
(4) Describe non-destructive evaluation of reinforced-concrete slabs rehabilitated with Glass Fiber-Reinforced Polymers (GFRP) sheets;
(5) To learn about numerical modeling of bond behavior and anchors of FRP external reinforcement with concrete.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


1:00 PM - 3:00 PM

Moderators: Aimee Pergalsky, Michelle L Wilson

ACI Committee 301 completed a comprehensive revision to the content of ACI 301, Specifications for Concrete Construction. It expanded the scope of ACI 301 and revised many of the requirements that have been in previous versions for many years. The goal of this session is to show how the design and construction team should use ACI 301 when it is referenced in Project Specifications with an emphasis on understanding the relationship between ACI codes and specifications. Topics include modifications to many of the default requirements within the specification as well as an introduction to new topics.
Learning Objectives:
(1) Summarize ACI 301 requirements for specialty concretes- Lightweight, Mass, Post-Tensioned, Shrinkage Compensating, Industrial Floor Slabs;
(2) State ACI 301 requirements for specialty concretes-Precast Structural, Precast Architectural Concretes;
(3) Describe use of ACI 301 specialty concrete sections within the context of project Contract Documents;
(4) Review the changes in ACI 301-20 versus previous versions for these sections.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


1:00 PM - 3:00 PM

Moderators: Jan Vosahlik, Stacia Van Zetten

Many construction projects demand concrete mixtures with extended workability, and it is expected that this issue will become of even higher importance with the potential upcoming changes in ASTM C94 that will lift the 90-minute discharge limit for ready-mixed concrete. Attendees will understand the theoretical background and mechanisms behind concrete workability loss, including advancements in chemical admixture technology, industry practices, strategies, and tools available for design and control of concrete workability. Additionally, case studies of successful projects incorporating concretes with extended workability will be presented. Attendees will understand the theoretical background and mechanisms behind concrete workability loss, including advancements in chemical admixture technology, industry practices, strategies, and tools available for design and control of concrete workability. Additionally, case studies of successful projects incorporating concretes with extended workability will be presented. The target audience included concrete contractors, ready-mixed producers, designers, chemical admixture producers, and the research community.
Learning Objectives:
(1) Identify key mechanisms and processes governing concrete workability loss;
(2) Describe various strategies and approaches for the design of concrete mixture with extended workability times;
(3) Explain tools, test methods and technologies available to the industry for workability control;
(4) Recognize limitations and potential problems associated with concrete workability extension.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


4:00 PM - 6:00 PM

Moderators: Lisa E Burris, Feraidon Ataie

This session will provide state-of-the-art discussion on the use of alternatives to portland cement, with a focus on processes for upscaling the use of alternative cements (ACMs) and understanding beneficial applications in which ACMs can be used in lieu of portland cement to create more durable, sustainable, and resilient concrete. The session targets both researchers working to advance understanding of ACMs and industry users (suppliers, producers, and owners) interested in applying ACM technology to their work.
Learning Objectives:
(1) List several types of alternative cements and possible uses for these materials in construction infrastructure;
(2) Describe how construction with alternative cements, including effects from differences in setting, curing, and property development, differ from the standard OPC construction processes;
(3) Explain what challenges exist with regards to specifying use of alternative cements, and ensuring quality control of materials in the field;
(4) Evaluate if using an alternative cement would benefit a particular project or application.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


4:00 PM - 6:00 PM

Moderators: Melinda G Reynolds, Rachel A Belcher

Awarded authors of papers published in 2020 will present winning papers. Awarded categories include: the ACI Concrete International Award, the ACI Symposium Volumes Award, the Mete A. Sozen Award for Excellence in Structural Research, the Wason Medal for Materials Research, and the Wason Medal for Most Meritorious Paper.
Learning Objectives:
(1) Review extreme loads on offshore concrete structures;
(2) Discuss seismic behavior of double-beam coupling beams (DBCB);
(3) Identify the framework to model ordinary portland cement (OPC)/supplementary cementitious materials (SCM) systems using thermodynamic/kinetic modeling principles;
(4) Explain the new concept of particle compliance with respect to freezing-and-thawing of concrete;
(5) Learn about how including the minimum temperature/shrinkage reinforcing in a slab-on-ground can impact serviceability and value.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


4:00 PM - 6:00 PM

Moderators: Radhouane Masmoudi, Mahmut Ekenel

Fiber-reinforced polymers (FRP) reinforcements have become one of the most used construction materials during the last decade. ACI Committee 440 is leading the writing of design standards and guidelines and is sponsoring these full sessions. Four 2-hour sessions will highlight and collect the most recent research, development, and application of FRP reinforcement in the concrete industry. Numerous important topics related to external and internal FRP reinforcement will be presented.
Learning Objectives:
(1) State the influence of the prestressing ratio effect of the flexural behavior of rectangular Concrete-Filled FRP Tubes;
(2) Review the flexural design protocol for masonry walls reinforced with FRP bars;
(3) Describe the behaviour of circular concrete-Filled FRP tube columns under lateral impact loads;
(4) Summarize the nonlinear behavior of continuous RC beams strengthened with near surface mounted FRP Bars;
(5) To learn about the use of glass fiber reinforced polymer (GFRP) bars to reinforce the jointed precast bridge deck slabs built integrally with steel I-girders.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


4:00 PM - 6:00 PM

Moderator: Sherry O Sullivan

Concrete plays a critical role in building the communities in which we live and work. Therefore, we have a responsibility to consider sustainability as we construct our built environment, and to protect it from the disruptive threats we are now facing. During this session, we will explore the many sustainability challenges affecting concrete pavements. This session will be of interest to owners, consultants, contractors, and manufacturers.
Learning Objectives:
(1) Identify the critical factors required for a long-life pavement, and how they relate to sustainable concrete pavements;
(2) Explain the connection between sustainable development and concrete materials;
(3) Recognize the impact of design on long-term performance, resource efficiency and emissions;
(4) Define resiliency and vulnerability, and understand the critical factors needed to protect our communities from disruptive threats.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


5:00 PM - 6:00 PM

ACI President Cary Kopczynski invites all convention attendees to the President’s Reception. Kopczynski will begin the program with recognition to the individuals and organizations that have shown exceptional service and dedication to ACI, followed by networking in a fun and casual virtual environment.



Upper Level Sponsors

Baker
Brasfield Gorrie
Concrete Sealants, Inc.
GCP
Holcim
Metromont Corporation
PS=0
Precision
Thomas Concrete
UZUN + CASE

Please enter this 5 digit unlock code on the web page.