Novel Bridge Forms Composed of Temporary Modules for Transitional Bridging

Master's Thesis
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Abstract

Rapidly deployable gap-crossing technologies composed of lightweight latticed modules arranged longitudinally to form a girder-type bridge (i.e. Callender-Hamilton, Bailey, Medium Girder, Acrow, and Mabey-Johnson systems) are effective short-term solutions to increasingly common natural and anthropogenic disaster-induced infrastructure collapse. However, their spans cannot exceed 210 ft, making them ineffective at addressing long-term recovery in regions isolated by larger gaps and creating an urgent need for “transitional bridging” (a methodology that adapts deployable bridge components to longer-span solutions). This thesis provides a proof of concept for transitional bridges. First, three efficient forms for an approximately 300 ft span transitional bridge structure are determined. Finite element models of these forms are then analyzed under current American Association of State Highway and Transportation Officials (AASHTO) criteria. An impact analysis comparing transitional forms to both a steel and concrete girder bridge of comparable length is completed, supporting the claim that transitional forms compare well to conventional construction practices.

Attributes

Attribute NameValues
URN
  • etd-04092015-095747

Author Casey Marie Casias
Advisor Dr. Ashley Thrall
Contributor Dr. Kapil Khandelwal, Committee Member
Contributor Dr. Brian Smith, Committee Member
Contributor Dr. Ashley Thrall, Committee Member
Degree Level Master's Thesis
Degree Discipline Civil and Environmental Engineering and Earth Sciences
Degree Name MS
Defense Date
  • 2015-04-08

Submission Date 2015-04-09
Country
  • United States of America

Subject
  • disaster relief

  • shape finding

  • deployable bridging

  • life cycle assessment

Publisher
  • University of Notre Dame

Language
  • English

Record Visibility Public
Content License
  • All rights reserved

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