SEISMIC RETROFIT OF RECTANGULAR BRIDGE COLUMNS USING CFRP WRAPPING

[TAFATNEB]

SEISMIC RETROFIT OF RECTANGULAR BRIDGE COLUMNS USING CFRP WRAPPING

Author: MESAY ABEBAW ENDESHAW | Size: 2.2 MB | Format: PDF | Quality: Unspecified | Publisher: WASHINGTON STATE UNIVERSITY Department of Civil and Environmental Engineering MAY 2008 | Year: 2008 | pages: 88

This study investigated retrofitting measures for improving the seismic performance of rectangular columns in existing bridges. Experimental tests were conducted on 0.4-scale column specimens which incorporated details that were selected
to represent deficiencies present in older bridges in Washington State. Two unretrofitted specimens were tested to examine the performance of the as-built columns incorporating lap splices at the base of the columns and deficient transverse reinforcement. Five columns were retrofitted with carbon fiber reinforced polymer (CFRP) composite wrapping and one specimen was retrofitted with a steel jacket. The specimens were subjected to increasing levels of cycled lateral displacements under constant axial load.
Specimen performance was evaluated based on failure mode, displacement ductility
capacity and hysteretic behavior.

Code:

***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:

http://forum.civilea.com/thread-27464.html
***************************************

This post has been made by CivilEA Post-Generator v2.2.0