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Aired Webinar Presenter Length Description Recording Presentation
6/8/21 The Top 10 Ways to Reduce Concrete’s Carbon Footprint Donn C. Thompson AIA, LEED AP BD+C (National Ready Mixed Concrete Association) 1 Hour

Concrete is unique among building materials. Its formulation is highly i…
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Concrete is unique among building materials. Its formulation is highly influenced by its application. Design professionals and contractors have a greater influence on concrete formulation than they do with other building products. Concrete can be made stronger, lighter, more flowable, stiffer, less permeable, and even weaker depending on performance needs. No other building material is that versatile. This presentation will discuss how design and construction teams can implement ten simple strategies to reduce concrete’s carbon footprint today. The recommendations are listed broadly in order of priority, but not in order of impact reduction. All are important and should be implemented. In addition, the strategies are meant to achieve a lower carbon footprint without impacting other desired performance capabilities for the concrete.

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1/6/21 The Use of Insulating Concrete Forms for Commercial Construction - Contractor's Perspective Justice Olson (Nudura) and DC Mangimelli (Fox Blocks) 1 Hour

Lighter, faster and more cost effective than other forms of construction…
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Lighter, faster and more cost effective than other forms of construction, Insulating Concrete Forms (ICFs) are quickly becoming the construction method of choice for all forms of construction including single and multi-family, hotels, schools, offices. Concrete contractors, masons and framers have an opportunity to learn how their trade can work with ICFs to enhance their competitiveness in today’s construction environment. The presentation will focus on how to communicate basic ICF detailing, design efficiencies, and other necessary information to designers who may not be familiar with ICF construction. Also included in the presentation will be information on how ICF’s can affect other sections of the specification, best construction practices, and tips on how to determine labor costs for an ICF project.

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3/8/23 Tilt-Up Construction: Concept to Delivery James R. Baty II, F.ACI, F.TCA (Tilt Up Concrete Association) 1 Hour

The tilt-up industry remains characterized as a budding or growing deliv…
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The tilt-up industry remains characterized as a budding or growing delivery method for new construction.  This dominant method of design and construction has a rich history of more than a century of influence and nearly fifty years of dramatic growth and unmatched solutions.  This presentation will detail the progress made and highlight the features of the industry that evidence why it is an ideal platform for specialists in design and construction, returning craftsmanship to the mindset of today’s contractor. The presenter will be James R. Baty II, F.ACI, F.TCA (Tilt Up Concrete Association).

No credits will be awarded for viewing recordings of the webinar. 

The webinar is being sponsored by the Iowa Ready Mixed Concrete Association, the Minnesota Concrete Council, the North Dakota Concrete Council, the South Dakota Ready Mix Association, and the Wisconsin Ready Mixed Concrete Association. 

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3/8/23 Tilt-Up Engineering Basics James R. Baty II, F.ACI, F.TCA (Tilt Up Concrete Association) 1 Hour

The tilt-up industry remains characterized as a budding or growing deliv…
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The tilt-up industry remains characterized as a budding or growing delivery method for new construction.  This dominant method of design and construction has a rich history of more than a century of influence and nearly fifty years of dramatic growth and unmatched solutions.  This presentation will move through the concepts of the traditional tilt-up building and address the principle design requirements and challenges faced. The presenter will be James R. Baty II, F.ACI, F.TCA (Tilt Up Concrete Association).

No credits will be awarded for viewing recordings of the webinar. 

The webinar is being sponsored by the Iowa Ready Mixed Concrete Association, the Minnesota Concrete Council, the North Dakota Concrete Council, the South Dakota Ready Mix Association, and the Wisconsin Ready Mixed Concrete Association. 

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5/21/20 Trends in Modern Concrete Floors Kevin MacDonald, PhD, PE, FACI 1 hour The drive for sustainability often creates a tension between durability, co…
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The drive for sustainability often creates a tension between durability, constructability an owner’s expectations. The presentation will concentrate on changes in owners expectations such as low maintenance, crack free and aesthetically pleasing slabs on grade. These will be reviewed in the context of new materials, such as alternative sources of binder, Type IL cements, sinusoidal or plate dowels, and the various techniques used to increase the spacing between joints, or even to remove them completely.

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5/4/22 Type I Construction vs Type IV Construction: A Building Code Perspective Larry Farris (BKV Group) 1 Hour

A lot is known about Type I Construction (non-combustible) because it ha…
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A lot is known about Type I Construction (non-combustible) because it has been used for decades for multi-story construction.  Although Type IV Construction (heavy timber) is not new, it is just now beginning to be used with greater frequency in multi-story construction. This presentation will provide an overview of the building code as it relates to Type I and Type IV Construction. Case studies will be used to demonstrate relevant code sections that apply to Type I and Type IV buildings using the current Minnesota Building Code including:

    Chapter 5 – Area and Height limitations of Type I and Type IV
    Chapter 6 – Fire Rating requirements for Type I and Type IV
    Chapter 7 – Fire and Smoke requirements, shafts, sound assemblies  
    Chapter 9 – Fire and Life Safety requirements of Type I and Type IV
    Chapter 23 – Wood and heavy timber construction.  

In addition, materials and special inspections will be discussed for each type of building.

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5/25/22 Ultra High Performance Concrete (UHPC) – Design and Application Travis Konda (Senior Technical Advisor, HNTB) and Mario Ratnaraj (Bridge Engineer, HNTB) 1 Hour

Ultra High Performance Concrete (UPHC) describes a class of concrete mat…
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Ultra High Performance Concrete (UPHC) describes a class of concrete material with a unique set of properties including: Strengths of 21,000 ksi plus, high ductility, low permeability and rapid strength gain. With these unique material properties, UHPC facilitates short development lengths, thin overlays and the potential for further development in optimized prestress girders for longer spans with less material. UHPC continues to play an important role in Accelerated Bridge Construction serving as the connecting material between precast elements allowing for small joints with short lap lengths while obtaining full connectivity between the elements. This presentation will introduce the audience to UHPC, the basic material properties, applications and lessons learned.

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10/13/21 We Have to Build it Where? Solutions for Building on Challenging Construction Sites Michael Hoeft / Dan Schellhammer / Scott Spisak 1 Hour

As physical sites grow and expand, means and methods for property develo…
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As physical sites grow and expand, means and methods for property development become much more complex. With abbreviated construction schedules and significant liquidated damages, the ability to gain some control of the uncontrollable becomes essential. The earlier this process is recognized and integrated into the project, the better the chance for success. This presentation will address several ways to work with challenging construction sites using cement and concrete; delivering large projects to the owner on time, economically and sustainably.

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Hoeft Handout
Schellhammer Handout
Spisak Handout

12/8/21 Workability and the Impact of Workability Retention Joseph Daczko (Master Builders Solutions) 1 Hour

Contractors want concrete to be as workable as possible to facilitate pl…
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Contractors want concrete to be as workable as possible to facilitate placement and consolidation without compromising performance in the hardened state. Concrete producers strive to consistently deliver expected performance attributes. Yet, hydration of Portland cement leads to a change in fresh concrete properties immediately after batching, most notably with respect to mix slump or workability. In air-entrained concrete mixtures, furthermore, modified slump can lead to changes in air content, typically a reduction, and potential rejection of the load. Invariably, rejected loads result in loss of revenue and reduced profits for concrete producers. This presentation will discuss workability retention and the various methods traditionally used to manage it. Additionally, an innovative, new admixture is introduced that provides workability retention without the adverse effects of current practices.

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