Current Practices and Guidelines for the Reuse of Bridge Foundations (2017) / Chapter Skim
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Pages 70-74
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From page 70... ...
70 chapter five ConClusions Foundation reuse is a promising tool for transportation agencies managing large inventories of aging bridges. Foundation reuse has economic and environmental benefits, and is consistent with emerging societal aspirations for sustainability.
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From page 71... ...
71 and survey respondents noted that shallow foundations are easier to reuse than deep foundations, primarily because of investigation difficulty. All case example agencies emphasized challenges associated with predicting the capacity of existing foundations, particularly with respect to justifying increased capacities necessary to satisfy updated live load requirements.
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72 the uncertain standard of care for consultants designing reuse projects. On the other hand, the variable nature of reuse projects suggests that guidance that is overly restrictive would likely discourage reuse.
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From page 73... ...
73 design value. The objective of the proposed research would be to improve load capacity predictions based on the original design value by considering several potential sources of new project information: – Existing foundation investigation information such as foundation depth and new subsurface information could be used to develop updated load capacity predictions based on static analysis methods.
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From page 74... ...
74 projects. The work of Laefer and Farrell (2015)
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