Seismic Performance Evaluation of Precast Girders with Field-Cast Ultra High Performance Concrete (UHPC) Connections: Fid-Bau Portal

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Seismic Performance Evaluation of Precast Girders with Field-Cast Ultra High Performance Concrete (UHPC) Connections

Lee G. C. / Huang C. / Song J. / O'Connor J. S.

The major objective of this study is to evaluate the seismic performance of two precast deck-bulb-tee girders with field-cast UHPC connections. A series of shake table tests were performed to analyze the seismic behavior of the girders and UHPC connections. No severe damage was found in the tests. The analyses on the maximum strain and relative displacement of the UHPC connection show that the UHPC connection remained in the elastic range and exhibited sufficient seismic performance under all tests. Based on these experimental results, it can be concluded that UHPC connections with short, straight rebar provide sufficient seismic resistance even under high-level seismic ground motions.

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Seismic Performance Evaluation of Precast Girders with Field-Cast Ultra High Performance Concrete (UHPC) Connections

Lee G. C. / Huang C. / Song J. / O'Connor J. S.

The major objective of this study is to evaluate the seismic performance of two precast deck-bulb-tee girders with field-cast UHPC connections. A series of shake table tests were performed to analyze the seismic behavior of the girders and UHPC connections. No severe damage was found in the tests. The analyses on the maximum strain and relative displacement of the UHPC connection show that the UHPC connection remained in the elastic range and exhibited sufficient seismic performance under all tests. Based on these experimental results, it can be concluded that UHPC connections with short, straight rebar provide sufficient seismic resistance even under high-level seismic ground motions.

Seismic Performance Evaluation of Precast Girders with Field-Cast Ultra High Performance Concrete (UHPC) Connections

Lee G. C. / Huang C. / Song J. / O'Connor J. S.

The major objective of this study is to evaluate the seismic performance of two precast deck-bulb-tee girders with field-cast UHPC connections. A series of shake table tests were performed to analyze the seismic behavior of the girders and UHPC connections. No severe damage was found in the tests. The analyses on the maximum strain and relative displacement of the UHPC connection show that the UHPC connection remained in the elastic range and exhibited sufficient seismic performance under all tests. Based on these experimental results, it can be concluded that UHPC connections with short, straight rebar provide sufficient seismic resistance even under high-level seismic ground motions.

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Title:

Seismic Performance Evaluation of Precast Girders with Field-Cast Ultra High Performance Concrete (UHPC) Connections

Contributors:

Lee G. C. (author) / Huang C. (author) / Song J. (author) / O'Connor J. S. (author)

Publication date:

2014

Size:

242 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Highway Engineering , Construction Materials, Components, & Equipment , Construction Management & Techniques , Precast girders , Bridges , Ultra High Performance Concrete (UHPC) , Precast girder connection , Seismic performance , Shake table test , Accelerated Bridge Construction (ABC)

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