Page 1 |
Save page Remove page | Previous | 1 of 179 | Next |
|
small (250x250 max)
medium (500x500 max)
large ( > 500x500)
Full Resolution
All (PDF)
|
This page
All
Subset |
ANALYTICAL AND EXPERIMENTAL STUDIES ON MECHANICAL
BEHAVIOR OF CONFINED CONCRETE FILLED TUBULAR COLUMNS
by
Kang-Kyu Choi
A Dissertation Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
DOCTOR OF PHILOSOPHY
(CIVIL ENGINEERING)
December 2007
Copyright 2007 Kang-Kyu Choi
Object Description
| Title | Analytical and experimental studies on mechanical behavior of confined concrete filled tubular columns |
| Author | Choi, Kang-Kyu |
| Author email | kangkyuc@usc.edu |
| Degree | Doctor of Philosophy |
| Document type | Dissertation |
| Degree program | Civil Engineering |
| School | Viterbi School of Engineering |
| Date defended/completed | 2007-06-26 |
| Date submitted | 2007 |
| Restricted until | Unrestricted |
| Date published | 2007-08-07 |
| Advisor (committee chair) | Xiao, Yan |
| Advisor (committee member) |
Anderson, James C. Noble, Douglas |
| Abstract | Composite materials composed of Concrete filled steel tube (CFT) have been widely applied in high strength column design due to their advantages such as high strength, stiffness, ductility and better seismic resistance. However, the conventional CFT system has a critical disadvantage which is the significant strength reduction after yield of steel tube caused by plastic local buckling. To resolve this problem, new CFT column system with additional transverse confinement is proposed. This study is intended to study confined CFT (CCFT) columns for better ductility and improved seismic design. To validate the effectiveness of confinement in CCFT, new confinement scheme is experimentally examined through axial compression test. The results show that it is possible to increase the compressive strength and reduce the local plastic buckling by using carbon-fiber-reinforced plastics confinement jacket. Also, the ultimate strength of the confined CFT columns is mainly dominated not by the existence of the cushion gap but by the ultimate strength of the CFRP confinement. In addition to experimental approaching, analytical and numerical methods are adopted to provide comparative studies with experimental results. |
| Keyword | buckling; composite; ductility; confinement; CFT; CCFT |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Type | texts |
| Legacy record ID | usctheses-m771 |
| Rights | Choi, Kang-Kyu |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Choi-20070807 |
| Archival file | uscthesesreloadpub_Volume14/etd-Choi-20070807.pdf |
Description
| Title | Page 1 |
| Full text | ANALYTICAL AND EXPERIMENTAL STUDIES ON MECHANICAL BEHAVIOR OF CONFINED CONCRETE FILLED TUBULAR COLUMNS by Kang-Kyu Choi A Dissertation Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (CIVIL ENGINEERING) December 2007 Copyright 2007 Kang-Kyu Choi |
Comments
Post a Comment for Page 1
