Testing and Engineering Composite Insulated Walls
September 18, 2021 from 11:30am to 12:30pm Central Standard Time
Hyatt Regency 4th Floor - Park View
This presentation covers the testing and analysis of 23 total 41 ft long composite walls and solid wall panels . Walls were designed using typical loading and five different wythe connectors. An updated version of the slender-wall design method for partially composite insulated walls is presented.
LEARNING OBJECTIVES
- Wall testing methodology.
- Mechanics of Partially Composite Insulated Walls.
- Predicting combined bending and axial strength and post-cracking deflections.
- Predicting shear strength of partially composite insulated walls.
Since the early 1980s, insulated concrete sandwich panels have been utilized as a design and construction technique for tilt-up. These types of panels are comprised of an inner and outer wythe of concrete, separated by a layer of rigid foam insulation. Connectors are used to fasten the two wythes of concrete together. To date, the majority of the insulated panels have been designed using non-composite action, meaning that only one wythe of concrete was considered for the panel’s structural integrity. The widespread acceptance and adoption of the International Energy Conservation Code (IECC) has reinforced the insulating benefits of sandwich panel systems and motivated many in the tilt-up industry to take a closer look at ways to maximize performance and constructability by creating a standard for composite behavior of insulated systems. To that end, the Tilt-Up Concrete Association (TCA) has collaborated with the University of Nebraska’s Durham School of Architectural Engineering and Construction to conduct what is believed to be the largest, full-scale field testing of this type with the goal of developing a slender wall design methodology to predict composite behavior under combined axial and bending forces. Learn more >
TRACK SPONSOR - Needham DBS
Needham DBS is a structural engineering firm providing services for all types of building construction. Clients include Architects, Contractors, Developers, Building Owners and Manufacturing Companies. With such a wide range of clients, Needham DBS has designed many types of projects all over North America and the Caribbean. Needham DBS is a leader in the design-build delivery of building structural products through Needham's DBS division. Needham DBS uses BIM technology, combined with twenty-five years of steel fabrication experience, to provide a single source proposal for division five products. This approach is now being expanded into division three concrete products.
Booth number: 301 | Learn more about Needham DBS >
TRACK SPONSOR - Total Integrated Panel Systems
Total Integrated Panel Systems (TIPS) designs and manufactures products that are meant to greatly enhance the construction industry. We create products that will build better structures, require less effort, and increase profitability for contractors and end users. We have now developed the Total Integrated Panel System (TIPS) for tilt-up. This revolutionary, patent pending, prefabricated system integrates structural steel, insulation, and labor into one fully composite product. It is an industry first solution that produces stronger, lighter, insulated panels, while also reducing rebar, concrete, and labor use. Our project development and product education teams are eager to provide you with the information you need to make your next job more successful than ever.
Booth number: 401 | Learn more about Total Integrated Panel Systems >
TRACK SPONSOR - Dayton Superior Corporation
At Dayton Superior, we are serious about providing the best concrete construction product solutions in the industry. To us, they are not just what we sell, they’re a reflection of who we are. Our vast product portfolio is comprised of tough, tested and high performing solutions, trusted by contractors. Today, we are among the world’s leading suppliers to the non-residential concrete construction industry. With accessories, chemicals and forming products, we are your single source solution for Tilt-Up projects.
Booth number: 417 | Learn more about Dayton Superior Corporation >
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Tilt-Up Concrete Association (TCA)
PO Box 204
402 1st Avenue SE
Mount Vernon, IA 52314
United States
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About the Tilt-Up Concrete Association
Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction - one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. Over 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.
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