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Seismic Retrofit of CISS Pile Bent Cap Connections

M. Lubiewski / P. Silva / G. Chen

This report presents results from a research investigation of a total of three 4/5 scale units that were case, retrofitted, and tested under simulated full-reversed cyclic lateral loading for the State of Alaska Department of Transportation and Public Facilities. These three units consisted of a cast in place steel shell (CISS) column foundation shaft and a bent cap configured to form a tee connection. In addition, these units were built to model a bridge bent and tested under simulated seismic loads at the University of Missouri Rolla experimental facilities. Based on the experimental study, this report presents an upgrade method that can be implemented in field conditions for improving the seismic performance of bridges built in the state of Alaska.

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Seismic Retrofit of CISS Pile Bent Cap Connections

M. Lubiewski / P. Silva / G. Chen

This report presents results from a research investigation of a total of three 4/5 scale units that were case, retrofitted, and tested under simulated full-reversed cyclic lateral loading for the State of Alaska Department of Transportation and Public Facilities. These three units consisted of a cast in place steel shell (CISS) column foundation shaft and a bent cap configured to form a tee connection. In addition, these units were built to model a bridge bent and tested under simulated seismic loads at the University of Missouri Rolla experimental facilities. Based on the experimental study, this report presents an upgrade method that can be implemented in field conditions for improving the seismic performance of bridges built in the state of Alaska.

Seismic Retrofit of CISS Pile Bent Cap Connections

M. Lubiewski / P. Silva / G. Chen

This report presents results from a research investigation of a total of three 4/5 scale units that were case, retrofitted, and tested under simulated full-reversed cyclic lateral loading for the State of Alaska Department of Transportation and Public Facilities. These three units consisted of a cast in place steel shell (CISS) column foundation shaft and a bent cap configured to form a tee connection. In addition, these units were built to model a bridge bent and tested under simulated seismic loads at the University of Missouri Rolla experimental facilities. Based on the experimental study, this report presents an upgrade method that can be implemented in field conditions for improving the seismic performance of bridges built in the state of Alaska.

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Title:

Seismic Retrofit of CISS Pile Bent Cap Connections

Contributors:

M. Lubiewski (author) / P. Silva (author) / G. Chen (author)

Publication date:

2006

Size:

156 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Civil Engineering , Retrofitting , Seismic loading , Bridges(Structures) , Moment capacity , Bent cap , Shear failure , Retrofit , Upgrade design , Alaska , Models , Seismic loads , Cyclic lateral loading , Cast in place steel shell(CISS) , Force reduction factor , Column foundation shafts

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