Seismic retrofit of spliced sleeve connections for precast bridge piers.

Pantelides, Chris P.; Brown, Dylan N.; Parks, Joel E.; Ameli, M. J.; Mountain Plains Consortium

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Seismic retrofit of spliced sleeve connections for precast bridge piers.

2017-03-01
By Pantelides, Chris P. ; Brown, Dylan N. ; Parks, Joel E. ; ...

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Creators:

Pantelides, Chris P. ; Brown, Dylan N. ; Parks, Joel E. ; Ameli, M. J.

Pantelides, Chris P. ; Brown, Dylan N. ; Parks, Joel E. ; Ameli, M. J. Less -
Corporate Creators:

Mountain Plains Consortium
Subject/TRT Terms:

[+]

Bridge Piers Carbon Fibers Columns Earthquake Resistant Design High Performance Concrete Joints (Engineering) Precast Concrete Retrofitting
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Mountain Plains Consortium
Abstract:

Grouted Splice Sleeve (GSS) connectors are being considered for connecting bridge columns, footings, and pier caps in Accelerated Bridge Construction (ABC). A repair technique for precast reinforced concrete bridge column-to-footing and column-to-pier cap joints constructed with GSS connectors has been developed. The repair utilizes prefabricated carbon fiber-reinforced polymer (CFRP) shells, epoxy anchored headed mild steel rebar, and non-shrink concrete to relocate the column plastic hinge. Prior to the repair, undamaged column-to-footing and column-to-pier cap joints constructed with GSS connectors were tested to failure under a quasi-static cyclic lateral load. The as-built column plastic hinge region was subsequently repaired, and the repaired joints were tested following the same cyclic loading protocol as the as-built specimens. The plastic hinge was successfully relocated to the column section adjacent to the repair. The repair method is simple and rapid and could be used to repair bridges constructed with joints utilizing GSS connectors. The method is general and it shows promise for retrofitting or repairing bridges constructed with conventional cast-in-place joints as well.
Format:

PDF
Funding:

MPC 17-321
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:4d5fc2b633305152b08eab05d3ecab20dcbfc552b4f8e0e5a4f86dbe2ff112da
Download URL:

https://rosap.ntl.bts.gov/view/dot/32063/dot_32063_DS1.pdf
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Seismic retrofit of spliced sleeve connections for precast bridge piers.

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