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Aired Webinar Presenter Length Description Recording Presentation
10/5/22 Concrete Cracking – Best Practices Kim D. Basham, PhD, PE, FACI. (Senior Structural Engineer, KB Engineering, LLC) 1 Hour

Concrete provides structures with strength, rigidity, and resilience fro…
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Concrete provides structures with strength, rigidity, and resilience from deformation. These characteristics, however, result in concrete structures lacking the flexibility to move in response to environmental or volume changes. Cracking is usually the first sign of distress in concrete. Cracking of concrete flatwork is natural, expected, and accepted. However, cracks may affect appearance, performance, and maintenance costs. This presentation will discuss the various types of concrete cracks and how to best minimize their occurrence.

Learning Objectives:
1.    Understand the different types of cracking in concrete.
2.    Understand what causes concrete to crack.
3.    Understand how to evaluate the difference between structural cracks and cosmetic cracks
4.    At the conclusion of the presentation, participants will know how to minimize concrete cracks.

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11/2/22 Firestop Services and Fire Damage AssessmentFirestop Services and Fire Damage Assessment Kim Deibel, PE (Braun Intertec) 1 Hour

The webinar explores two concepts; First is the preventative measures an…
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The webinar explores two concepts; First is the preventative measures and the services around firestop consulting, inspections, and what architects, contractors, project managers, and installers should keep in mind as they plan, construct, and maintain firestops in their facilities. Second is what happens when a fire does occur, how does it affect the concrete, and what assessments and testing can be completed onsite to determine repair or replacement options.

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8/10/23 Communicating Sustainability: How to share your message about sustainable initiatives. Kimberly Kayler, CPSM, President, AOE 1 Hour

The concrete industry has a goal of carbon neu…
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The concrete industry has a goal of carbon neutrality by 2050.  In response to this goal, many industry organizations are tasked with getting their message related to decarbonization and sustainability to their customers, specifiers, and employees.  Transparency and recognition of goals and achievements are vital.  Kimberly will discuss a variety of methods and materials that should be used to effectively communicate progress.  Kimberly will help you identify key ways to communicate the steps your organization is taking, whether that be in the form of a new product or innovative process, that will help your organization reach your sustainability goals.

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7/22/21 Non-Destructive Testing – Advanced Technology and a Practical Review of How to Use It Larry D. Olson, P.E. (President and Chief Engineer, Olson Engineering, Inc., and Olson Instruments, Inc.) 1 Hour

As computing power become faster and smaller it leads to advances in non…
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As computing power become faster and smaller it leads to advances in non-destructive testing (NDT) techniques for structural concrete condition assessment. We will explore some of the newest techniques in the market and discuss how they can be use on structures and construction projects. We will also review a practical approach to finding construction flaws such as honeycomb, void and cracking in new structures as well as scanning to map out corrosion damage in aging structures using many different Non-Destructive Testing techniques.

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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.

Recording Not Available

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7/12/23 LOW EMBODIED CARBON MATERIALS FOR CONCRETE Larry Sutter, Ph.D., P.E. Sutter Engineering LLC 1 Hour

This presentation will discuss materials being developed for the concret…
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This presentation will discuss materials being developed for the concrete industry that will lower the embodied carbon of a yard of concrete.  Some materials are ready to use and do not require additional support or alteration of how we produce, place, and finish concrete.  Others will require new approaches, new specification, and new understanding of chemistry. 

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 Oklahoma Ready Mixed Concrete Association, the South Dakota Ready Mix Association, and the Wisconsin Ready Mixed Concrete Association. 

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11/8/23 Evaluation of Concrete Core Test Results According to ACI 318-19 Luke Snell, P.E. 1 Hour

This presentation by Luke Snell, P.E. and an H…
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This presentation by Luke Snell, P.E. and an Honorary Member of ACI will take us step by step through the process of how to make a decision with  core test  results. Remember everyone is on edge when cores are needed – the concrete may be below strength and correction measures even removed may be needed!!!

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5/8/24 History of Concrete - How it Started Luke Snell, P.E., FACI, Honorary Member -ACI Concrete Consultant 1 hour

Concrete is the second most used material in the world, only exceeded by…
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Concrete is the second most used material in the world, only exceeded by water. It is also one of our oldest construction materials starting thousands of years ago. It continues to evolve and allows us to make the tallest buildings, bridges, and roadways.

So how did our ancestors find out that if we heated rocks, we could make cement and then make concrete? How did we discover the multi-step process of making our modern concrete?

This presentation will take us through the journey of how cement and concrete developed. Along this journey, we will see how the discovery of fire, bricks, pottery, pyramids, and lighthouses played a major role in the development of concrete.

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4/7/21 ICF Detailing - Lessons Learned M Laverdure and A Wilson (DSGW Architects) 1 Hour

This session will review a few recent projects that were done completely…
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This session will review a few recent projects that were done completely in Insulated Concrete Forms and discuss some of the lessons learned when it comes to detailing.   From sub-grade installation to coordinating metal joist connections to exterior options, this presentation will illustrate some good options for you own ICF project.  Discussion about the ability for ICF to be a part of a Net Zero solution will also be a part of the presentation.

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1/20/21 Concrete Systems 101 – An Introduction to Insulating Concrete Forms and Precast Concrete Micah Garrett (BuildBlock) and Randy Wilson (PCI) 1 Hour

Part of the Sustainable Structures Webinar Series
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Part of the Sustainable Structures Webinar Series: This presentation will give a brief basic overview of insulating concrete forms (ICFs) and precast concrete.  The presenters will answer the following questions:  What are ICFs and what is precast concrete? What are the benefits of each system?  How is each installed/erected?  What types of buildings are constructed from precast concrete and ICFs?     

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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

9/2/20 Net Zero, ICF Design for Rural/Tribal Projects Michael Laverdure, AICAE, AIA, NCARB, LEED AP (DSGW Architects) 1 Hour

This webinar will outline the benefits of using Insulated Concrete Forms…
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This webinar will outline the benefits of using Insulated Concrete Forms (ICFs) in construction, especially in regard to Rural and Tribal projects.  ICFs are a key component in DSGW’s strategy to design Net Zero projects.  This presentation will show examples of ICF and Net Zero design, in particular the Fort Totten Alternative CTE School, the country’s first Net Zero school on Tribal lands in North America.  

The 12,500 square foot, $3.8 million net zero Fort Totten Alternative CTE School was designed to produce more energy than it consumes while ensuring to meet other standards common when designing a net zero facility. There are other net zero schools in the United States, but this new school is the first to be built on tribal land and the first in North Dakota.

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2/23/21 Avoiding Damage, Distress, and Disappointment in Concrete Structures Michael W. Lee (Principal at Wiss, Janney, Elstner Associates) 1 Hour

This presentation reviews failures, damages, and other incidences of poo…
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This presentation reviews failures, damages, and other incidences of poor performance in concrete structures that have served to shape today's building codes and the standard of care for the profession. Examples range from well-documented, high-profile collapses to lesser known but similarly influential structural and serviceability problems. Case histories will include discussion of excessive cracking, the cause of such distress, and mitigation measures. The case histories will illustrate how small details can often mean the difference between success and disappointment; and how codes have evolved to reduce the risk of future failures.

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8/10/21 Parking Structures: Common Problems and Best Practices Michael W. Lee (Principal at Wiss, Janney, Elstner Associates) 1 Hour

This presentation reviews strength and serviceability problems in concre…
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This presentation reviews strength and serviceability problems in concrete parking structures. The effects of environmental exposure, vehicular loading, and deterioration will be discussed with an emphasis on key differences between buildings, parking structures, and bridges. Case histories will be provided to illustrate common problems, failures, and remediation methods. Precast concrete and cast-in-place systems will be discussed, including problems that occurred during construction. The presentation will include examples of changes that have occurred in the industry to enhance safety and long-term performance.

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12/8/20 New ACI Design Guides for Fiber Reinforced Concrete, and Other Developments in FRC Mike Mahoney, PE, FACI (Euclid Chemical) 1 Hour

The use of Fiber Reinforced Concrete continues to evolve and become more…
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The use of Fiber Reinforced Concrete continues to evolve and become more common place in everyday concrete construction. Learn how the new ACI 544.4R document can help ready- mix producers, engineers and contractors by providing a roadmap to designing FRC for many applications including floors, precast, shotcrete and paving applications. An update will also be provided on other CODE approvals such as UL fire classification for composite deck designs, various DOT initiatives for paving with FRC and the improvements in ASTM and other test methods to verify correct fiber selection and quantities in concrete.

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4/6/22 Building Ethical Cultures Nicole Zwieg Daly, J.D., Ed.D. (University of St. Thomas) 1 Hour

Ethical business cultures continue to prove to be more productive, more …
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Ethical business cultures continue to prove to be more productive, more innovative, and more meaningful places to work. Let's discuss how to build - and more importantly maintain - an ethical business culture. During this session, learn a little theory and a lot of practical knowledge to maintain your ethical business culture.

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4/22/21 Mass Concrete Constructability Oscar R. Antommattei, MS, PE, FACI (Chief Concrete Engineer & Materials Engineering Manager, Kiewit) 1 Hour

Mass concrete (or thermally controlled concrete) typically requires impl…
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Mass concrete (or thermally controlled concrete) typically requires implementing thermal control measures to reduce maximum temperature and mitigate temperature difference. Specified temperature limits and thermal control requirements can affect mix design proportions, materials selection, reinforcement details, construction operations and compliance to specifications for the work. Many specifications still limit concrete temperatures to overly conservative default values without recognizing concrete properties and performance that allow alternative temperature limits more suitable for the specified work while maintaining quality and improving constructability. This issue frequently results in challenging scenarios that create design difficulties and unnecessary constructability problems for mass concrete. This presentation focuses on the implementation of today’s knowledge of mass concrete and best practices to overcome mass concrete challenges and facilitate solutions in projects. A special emphasis will be given to the technical updates provided for mass concrete requirements and guidance progressing in North America industry standards.

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2/10/21 Precast Concrete Storm Shelters Paul Todd (Todd Architecture) 1 Hour

Part of the Sustainable Structures Webinar Ser…
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Part of the Sustainable Structures Webinar Series: This one-hour program is intended for professional designers and engineers. The attributes of precast concrete will be presented, demonstrating how these qualities may be applied to the design and construction of safe and efficient storm shelter facilities. The versatility and resiliency of precast concrete will be further highlighted by a video demonstration, and a series of case studies.

 

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9/13/23 Shoring and Reshoring Loads, Safety, Cost, Schedule, Concrete and Responsibility Professor Ken Hover, Cornell University 1 Hour

Forms, shores, and re-shores are a temporary s…
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Forms, shores, and re-shores are a temporary structure that carries the weight and construction load of the permanent structure until it is strong enough to stand up for itself.  While serving this temporary duty, forms, shores, and re-shores impact construction safety, cost, productivity, and schedule, and influence appearance, deformations, tolerances, and cracking of the hardened reinforced or prestressed concrete. 

 

This presentation introduces Codes, standard specifications, OSHA, and ANSI documents that address responsibilities for forms and shores.  By an example of a multi-story building, we look at how shore and re-shore systems work, including how shoring & re-shoring plans must be synchronized with rate-of-strength-gain of the concrete, as influenced by mix-design and ambient temperature.  This complex topic demonstrates how schedule, concrete mix, weather, construction technology, lab and in-place testing all come together.

A recording is not available for this webinar.

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10/21/20 Construction Special Inspections Rob Flickinger and Derek Van Heuveln (American Engineering Testing) 1 Hour

Anyone who has watched a building under construction can appreciate its …
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Anyone who has watched a building under construction can appreciate its complexity and sophistication. Occasionally, inspection and testing requirements occur that the local code official may not be qualified or experienced to address, so third-party assistance is needed. The building codes address this need through a specific requirement for structural tests and “special” inspections. A special inspection can be required for materials, installation, fabrication, erection or placement of components and connections where special expertise is needed.  This presentation will cover the requirement of special inspections as well as some examples of when construction testing and inspections did not go as planned. 

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