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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Education > Free Web Sessions
Browse from hundreds of recorded presentations from ACI Conventions and other concrete industry events.
Applications of UHPC Vertical & Horizontal Panels
by Vic Perry, ceEntek North America
UHPC – Innovations in Practical Applications (ACI Spring 2021 Convention, Virtual Sessions) While UHPC current applications include bridge connections and overlays or architectural cladding, there has been a slow implementation in using the material for structural / load bearing wall panels or deck panels. This presentation will present recent developments in the use of UHPC for load bearing insulated sandwich panels for vertical applications and UHPC Waffle deck panels for horizontal bridge applications. The presentation will show details of the systems, the UHPC elements, structural design, manufacturing, prototyping, load testing and a finished project.
December 6 - 12
Theory Versus Reality in Concrete Airfield Pavement Engineering
by Raymond Rollings, Rollings Consulting, LLC
Concrete Pavement Design and Construction Special Session Honoring Dr. Shiraz Tayabji (ACI Spring 2021 Convention, Virtual Sessions) Engineers provide concrete design and evaluation calculations of exquisite detail using the finest analytical tools, modern pavement engineering materials are carefully evaluated in the laboratory and the field with exquisite precision, the pavement itself is placed with marvelous equipment using advanced technology ranging from lasers to GPS, and the engineer specifies the final concrete pavement in loving detail in specifications that may run a hundred pages or more. Alas, despite all of these valiant efforts, we continue to be embarrassed by failures in the field; almost all of which are due to simple, human errors unrelated to technology. Real concrete airfield pavements are composed of complex materials which, or most of which, originated with Mother Nature whose fickleness is well known, and they support variable moving loads while exposed to ever-changing environmental conditions that combine to bedevil our attempts to analyze, produce, and place the final concrete airfield pavement.
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