摘要
提出在斜拉桥主梁与塔的联结处采用铅芯橡胶支座作为其减震、耗能装置,并利用非线性弹簧单元来模拟铅芯支座的滞回耗能特性,通过结构非线性地震反应的分析方法,分析了铅芯支座对斜拉桥的减震、耗能的效果。结果表明在斜拉桥主梁与塔联结处采用铅芯支座是一种非常有效的减震措施。
As the energy dissipation devices, the lead rubber bearings are applied to deck tower and deck anchor pier connections of the cable stayed bridge. The differential model was used for describing the hysteretic behavior of lead rubber bearing. The nonlinear seismic response analysis method is utilized for investigating the effects of lead rubber bearings to reduce the seismic force. The results show that the lead rubber bearings as the deck tower connection of the cable stayed is an effective method to reduce seismic forces.
出处
《中国公路学报》
EI
CAS
CSCD
北大核心
1998年第1期71-76,共6页
China Journal of Highway and Transport
关键词
地震反应
斜拉桥
耗能
减震措施
Seismic response, Cable stayed bridge, Energy Dissipation