The Implementation of Full Depth UHPC Waffle Bridge Deck Panels: Phase 1 Final Report
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The Implementation of Full Depth UHPC Waffle Bridge Deck Panels: Phase 1 Final Report

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    Phase 1 Final Report
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    In the U.S. today, there are over 160,000 bridges that are structurally deficient or obsolete with more than 3,000 new bridges added each year. Federal, State and municipal bridge engineers are seeking new ways to build better bridges, reduce travel times, and improve repair techniques; thereby reducing maintenance. Additionally, owners are challenged with replacing critical bridge components, particularly bridge decks, during limited or overnight road closure periods. The use of Full Depth UHPC Waffle Deck Panels is currently gaining significant interest amongst numerous State DOT’s and the Federal Highway Administration as a possible solution to these challenges. The first implementation of this system on a U.S. roadway will be made possible by this grant’s funding. The objective of this research is to confirm that this system is a viable solution to the problems encountered by design engineers. It is hoped that the Full Depth UHPC Bridge Deck System will revolutionize the way bridges are designed in North America. The implementation of this system is broken up into two phases within the overall scope of this project. Phase 1 includes the design and testing of a mock-up bridge section for verification of design assumptions, as well as, evaluating the feasibility of manufacturing and installing the deck elements. Phase 2 will consist of a full scale two-lane bridge on a secondary road in Wapello County, Iowa constructed of prestressed concrete girders and 14 UHPC deck panels.
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