United States Department of Transportation
i
Evaluating Louisiana new deck continuity detail for precast prestressed concrete girder bridges : research project capsule.
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2014-08-01
[PDF-138.93 KB]
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Abstract:The goal of everyone in the transportation community is to build bridges
that are economic, easy to construct, and durable. Therefore, accelerating
bridge construction through the use of precast concrete or prefabricated
steel girders is a common practice for the majority of bridge projects. If
left unconnected, each span will become simply-supported, which forfeits
the structural advantages that continuous structures off er (i.e., smaller
straining actions). Furthermore, joints between adjacent spans lead to
a host of issues such as increased maintenance costs over the life of the
project, deterioration of structural elements in the joint’s vicinity due to
water leakage through the joint, and reduced riding quality. Therefore,
developing details to connect adjacent spans has been an active area of
research for a long time.
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