Webinar Archives

Clear

Aired Webinar Presenter Length Description Recording Presentation
7/23/20 FIU Pedestrian Bridge Collapse: Testing of Full-Size Replicas of Failed Connection Gary J. Klein, PE, SE 1 Hour

WJE carried out independent studies related to the 201…
View Description

---Close---

WJE carried out independent studies related to the 2018 collapse of the FIU Pedestrian Bridge in Miami. Most significantly, WJE developed and tested full-sized specimens to evaluate the significance of the National Transportation Safety Board’s (NTSB’s) finding that the construction joint between the northernmost diagonal and deck was left in an as-placed condition, rather than intentionally roughened as required by the project specifications. The webinar also describes WJE’s independent review of shear friction strength in accordance with the AASHTO Code.

 

The presentation describes the details of the experimental program that demonstrated that, had the construction joint been roughened as required by the project specifications, the collapse would not have occurred. Contrary to NTSB’s findings, the contractor’s failure to roughen the surface was the primary cause of the collapse.

View Video

View PDF

7/14/20 Supplementary Cementitious Materials Dr. Larry Sutter 1 Hour

This presentation will cover the basics of common supplementary material…
View Description

---Close---

This presentation will cover the basics of common supplementary materials used in concrete. Common applications, comparisons of their properties in plastic and hardened concrete, as well as the outlook of their future use will all be covered in the presentation.

View Video

View PDF

7/8/20 Introduction to Insulating Concrete Forms John Lee, PE, LEED® A.P. and Curt Gohmann 1 Hour The use of Insulating Concrete Forms or ICF’s as a structural building en…
View Description

---Close---

The use of Insulating Concrete Forms or ICF’s as a structural building envelope has increased in recent years as building owners look to create buildings that require less maintenance while being energy efficient, quiet and, most importantly, resilient. This one-hour presentation will discuss the concept of ICF’s from design to construction while highlighting the many benefits for the designer, contractor, owner and occupant. Attendees of this course will see a variety of project types and learn why ICF’s were chosen over other building materials.

View Video

View PDF

6/11/20 The Future of Fly Ash Doug Rhodes 1 Hour More than 75% of all concrete is made with fly ash. In some states, fly ash…
View Description

---Close---

More than 75% of all concrete is made with fly ash. In some states, fly ash is specified for all concrete structures. Several regional shortages in the past few years coupled with increasing EPA regulations and plant conversions from coal to natural gas has put the future of fly ash in question. This presentation will go over where the fly ash industry is today, what is being done to help with supply, and what is being done to help ensure a strong fly ash market for the future.

View Video

View PDF

6/3/20 Concrete: Adaptive and Resilient Engineering for Climate Change Julie Buffenbarger 1 Hour Concrete, a core building material, has general properties — including st…
View Description

---Close---

Concrete, a core building material, has general properties — including strength, durability, versatility, and relatively low cost— making it the most used building material in the world. the immediate and imminent challenges brought by population growth, urbanization and industrial production have provided an impetus for an increasing need for the resilience of buildings and infrastructure manufactured with concrete.

View Video

View PDF

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…
View Description

---Close---

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.

View Video

View PDF

4/15/20 MN Concrete Forum: Environmental Product Declarations - The New Normal? Curt Turgeon (MnDOT Pavement Engineer) 1 hour

The webinar introduces the concepts of Product Category Rules, Environme…
View Description

---Close---

The webinar introduces the concepts of Product Category Rules, Environmental Product Declarations and Life Cycle Assessment. Legislative and Industry developments are addressed to inform the audience of why these concepts will likely become a part of daily lives in the near future.

View Video

View PDF