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Annual Concrete Conference 2021 Program

Thursday, December 9, 2021

Concrete Connection to Climate Change

Program PDF

7:00 a.m.

Registration and Continental Breakfast

8:00 a.m.


8:10 a.m.

Sustainability: Going Green

Tom Van Dam, NCE

Presentation Slides

Moderator: Rachel Detwiler

As we've seen this year, climate change is real—and serious. The cement industry has pledged net-zero carbon by 2050. But there are things we can do now to reduce the carbon footprint of concrete construction. What are they, and what do they look like in practice?

9:00 a.m.

Sustainability in the Concrete Industry

James Bogdan, National Ready Mixed Concrete Association

Presentation Slides

Moderators: Josh Edwards, Jon Willemssen

Sustainable concrete is difficult to define. There are many factors that can influence the way concrete is manufactured, designed, built, used and recycled that ultimately affect the environmental footprint of the structures built with concrete. Whether one is designing a building, pavement, bridge or dam, concrete is an important component used as foundation and superstructure, and these structures can have a significant impact on the environment throughout their lifecycle. Design professionals can influence the performance and environmental impact of structures through effective design and project. This presentation helps the design professional understand and apply readily available strategies which can reduce the embodied carbon footprint of concrete assemblies.  Participants will learn where greenhouse gas is generated during the manufacturing phase as well as how materials specifications can reduce high carbon ingredients and/or sequester carbon while still achieving desired proven performance.

9:45 a.m. – Break

10:15 a.m.

South West Light Rail

Dale Even, Lunda Construction Company

Presentation Slides

Moderator: Rachel Detwiler

The provision of a light rail system in a major metropolitan region is a challenge that few people would look forward to. Lunda/McCrossan formed a Joint Venture to do just this work to construct t tunnels, stations, bridges, retaining walls and other concrete elements for the modern SWLRT project currently under construction in the Twin Cities

11:00 a.m.

Design Process and Construction of Fully Permitted 3D Printed Residential Projects

Roberto Montemayor Cantu, PERI 3D Construction

Presentation Slides

Moderators: Cathy French, Josh Edwards

It is an exciting time to be in the concrete industry, 3D printing construction is a reality! In the last few years, many 3D printing projects have emerged around the world. PERI has now printed three fully permitted and functional residential projects. This session will provide an introduction of PERI’s 3D construction technology, an overview of the design process to achieve the construction permit, and a description of the printing process. The session will present the benefits, challenges, and future of concrete 3D printing in different construction sections.

11:45 a.m.

Concrete Award Presentation

Noon – Lunch

1:00 p.m.

What Is Wrong with My Concrete? Troubleshooting Concrete Quality

Tyler Ley, Oklahoma State University

Presentation Slides TBD

Moderator: Maria Masten

Each concrete project has a unique set of challenges that can make it difficult to consistently obtain high quality concrete. Typical field problems will be discussed, including low strength, poor workability and variable air content. Contributing factors for each issue will be addressed as well. A simple framework for concrete quality will be presented that will help attendees identify possible issues with quality and determine strategies to improve concrete quality. Examples of real world field problems will be provided to highlight the use of the framework.

1:45 p.m.

Strategies for Low Carbon Concrete

David Shepherd, Concrete Reinforcing Steel Institute

Presentation Slides

Moderator: Rachel Detwiler

This presentation helps the design professional understand and apply readily available strategies to reduce the embodied carbon footprint of concrete construction.

2:30 p.m. – Break

3:00 p.m.

Concrete Submittal Review: Building Code & Specification Compliance

Jeff Groom, CTL Thompson Materials Engineers, Inc.

Presentation Slides | Handouts

Moderator: Mike Hemstad

In this session, attendees will learn how to prepare and review a concrete mix design that’s been submitted by the concrete supplier. See how to use a checklist to organize your review and to ensure the concrete mix design complies with the project specifications, requirements of the building code and industry standards. Also, learn how to evaluate the performance of the mix with regards to the anticipated job conditions.

3:45 p.m.

Practical Implementation of Ultra-High Performance Concrete (UHPC)

John S. Lawler, Vince J. Kania, Wiss, Janney, Elstner Associates, Inc.

Presentation Slides

Moderator: Michael Murphy

Ultra-High Performance Concrete (UHPC) has many advantageous performance characteristics compared to conventional concrete, including substantial post-cracking tensile strength and ductility and exceptional long-term durability in aggressive environments. This presentation will discuss the current state of the implementation of UHPC in the United States, including a review of WJE’s contributions to the recently completed Precast/Prestressed Concrete Institute (PCI) project fostering the implementation of UHPC in precast pretensioned elements for concrete buildings and bridges. Dr. Lawler will discuss mixture development, production, and characterization of non-proprietary UHPC mixtures based on local materials, as well as lessons learned and best practices for implementing UHPC in precast production facilities. Mr. Kania will give an overview of current structural design methods for UHPC precast members. He will also describe shear testing performed at WJE on UHPC beams and explain how the results of these tests can help engineers implement UHPC in precast beam designs.

4:30 p.m. – Adjourn