SEAoT AUSTIN

October 2019 Meeting

  • 24 Oct 2019
  • 11:45 AM - 1:00 PM (CDT)
  • Maggiano's Little Italy - Domain
  • 15

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State of Practice: Bridge Security Overview

Presented By:  Carrie Davis, P.E., LEED Green Assoc.

Abstract:

Per the FHWA Publication No. FHWA-HRT-06-072 (2006), the U.S. has “approximately 600,000 bridges and 300 tunnels on the highway network and many of these can be considered as being critical structures and/or on essential corridors.” The Mineta Transportation Institute Database has documented an increasing number of attacks against transportation systems worldwide over the last 40 years. Additionally, the severe consequences of a bridge failure are known from past collapses in terms of loss of life, economic loss, and societal distress.

As a result, vulnerable highway infrastructure should be assessed and addressed as needed, but where to start? This presentation will summarize the focus of the AASHTO T-1 Bridge and Tunnel Security Committee and FHWA efforts moving forward to promote the topic. Also, it will provide an overview of the latest research and resources (manuals, guidelines, tools, online trainings, etc.) available to engineers that focus on bridge and transportation security.

Bio:

Image result for Carrie Davis, P.E

Carrie Davis, P.E. is a Project Manager with P.E. Structural Consultants. She has over 12 years of blast-resistant structural design, assessment, and research experience across building, bridge, and façade market areas. During her career she has helped in the development of design guidelines and tools, and development and delivery of training courses focusing on blast resistance. Over the last decade, she has been involved with a number of formative research and development efforts ranging from blast resistance of glazed façade systems to highway bridge security. Carrie served as Project Manager for the Federal Highway Administration’s new FHWA-HIF-17-032, “Bridge Security Design Manual” (May 2017). She is currently the chair of the ASCE SEI Bridge and Tunnel Security Committee and provides technical support to the AASHTO Bridge and Tunnel Security Committee. She received her Bachelor of Science (B.S.) in Architectural Engineering and Master of Science (M.S.) in Civil Engineering from The University of Texas at Austin. Her research at UT Austin focused on the experimental research program of blast-loaded, half-scale reinforced concrete bridge columns that was summarized in the Transportation Research Board’s (TRB) National Cooperative Highway Research Program (NCHRP) Report 645 on “Blast Resistant Highway Bridges: Design and Detailing Guidelines” and became the basis for 2011 AASHTO Bridge Security Guidelines. She is currently working with AASHTO on the 10-year update to the 2011 AASHTO Bridge Security Guidelines.
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