Shaking Table Test of Rocking Bridge Piers

• Main Authors: Wei-Hung Lu, 盧威宏
• Other Authors: Chin-Tung Cheng
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/58344198905450203658

碩士 === 國立高雄第一科技大學 === 營建工程所 === 93 === ABSTRACT Currently, seismic isolation or structure energy dissipation technology has been extensively applied to improve the structure seismic resistance capacity , and gradually been approved by the field of engineering. Due to the variances of structure seismic isolation and energy dissipation, that actually raised the difficulties of design. The fundamental theory of designing the rocking column was to cut off the longitudinal column steel at the beam-column interface, so the rocking column could swing with the external stress on its base. In this study, the following parameters, such as mass loadings (3ton、8ton)、the materials of rocking interface (steel、plastic)、the amount of tendons and earthquake type (El Centro、Kobe), were introduced to the rocking column isolation design .Totally, 88 tests of the rocking column in 1/4 reduced scale model on the shaking table were successively accomplished. This research aims to identify the energy isolation performance of the rocking column, and Mander and Cheng’s (1997) Damage Avoidance Design (DAD) theory. In this research, it was investigated Mander and Cheng’s theory would show the agreement with the results while the earthquake intensity was more than 300gal; especially, when combining the plastic impact interface with Kobe earthquake, the theoretical and experimental results would more match up.