Current Practices and Guidelines for the Reuse of Bridge Foundations (2017) / Chapter Skim
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Current PraCtiCes and Guidelines for the reuse of BridGe foundations Managing aging bridges safely and cost-effectively is a central challenge for an aging U.S. infrastructure.
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2 reuse that were considered low -- one or zero instances in an average year for most applications. The vast majority of the bridge foundation reuse applications reported in the survey was either for bridge or superstructure replacement projects or bridge or superstructure widening projects.
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3 The need to evaluate above- and below-ground portions of the substructure concurrently calls for close collaboration among many individuals, including structural engineers, geotechnical engineers, hydraulic engineers, and field technicians. In addition, many of the technical concepts associated with foundation reuse require external consultation, notably from foundation and bridge contractors as well as from material scientists for corrosion evaluation and geophysicists for many investigation techniques.
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4 • Decision methods for foundation reuse: Research to develop a preliminary decision methodology for foundation reuse could help agencies evaluate reuse in early stages of bridge rehabilitation projects. • Methods to promote future reuse: Research to facilitate future reuse of new foundations is needed to reduce the challenges of reuse for future projects.
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