Research on evaluation and standardization of accelerated bridge construction techniques, part I.
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2015-09-01
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Abstract:The Michigan Department of Transportation (MDOT) uses Accelerated bridge construction ; (ABC) to reduce delays and minimize construction impacts. MDOT contracted and completed ; several bridges using prefabricated bridge elements and systems (PBES). In 2014, two slide-in ; bridge construction (SIBC) projects were contracted and completed. These two projects ; included three bridge replacements. Currently, self-propelled modular transporter (SPMT) ; moves are being planned for three bridge replacement projects. This study goals are to advance ; the implementations by expanding scoping guidelines to include all ABC alternatives, ; standardize the bridge slides operations, and develop guidelines for foundation construction ; while an existing bridge is in service. The tasks completed during this project include (a) ; reviewing the ABC activities nationally and monitor ongoing ABC projects in Michigan, (b) ; defining scoping parameters for the implementation of SIBC and SPMT moves, (c) reviewing ; and evaluating substructure construction and upgrades, along with constructability of deep ; foundations while an existing bridge is in service, (d) developing specific cost methodologies for ; SIBC, SPMT moves, and foundation construction, and (e) developing recommendations for ; updating the multi-criteria decision-making process and the associated software platform by ; incorporating the updated framework and the cost-benefit analysis models, foundation ; construction while an existing bridge is in service, and improving SIBC implementations.
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Main Document Checksum:urn:sha256:93c01753fc853fe92055eff299d693d6d4421a7fce39e3cea5a91afa045913b4