摘要
联络通道与隧道的连接处是隧道抗震的薄弱环节,但目前有关联络通道抗震性能的研究开展得还很少。本文利用经过二次开发的商用有限元程序,采用多次透射边界条件,对某盾构隧道工程的联络通道进行了横向及纵向地震响应分析,重点研究了不同接头形式对结构抗震性能的影响,并得出了有意义的结论。
The joints between the connectional passages and the tunnels are weak links in earthquake, whereas little correlative research has been done so far. In this paper, a seismic response analysis method of connectional passages is presented. This approach introduced multitransmitting boundary conditions, which lead to high computational efficiency and precision, and could simulate different types of joints, Then, this approach is applied to research the transverse and longitudinal seismic response of a connectional passage of a shield tunnel, with emphasis on the influence of the type of joints on the structure＇s seismic behavior, and some valuable conclusions are drawn in the end.
出处
《工程抗震与加固改造》
2008年第2期57-61,47,共6页
Earthquake Resistant Engineering and Retrofitting
基金
武汉长江隧道工程关键技术研究项目“盾构隧道地震响应分析与抗减震措施研究”(编号01-02)
关键词
盾构隧道
多次透射边界
接头
抗震性能
联络通道
connectional passages
multi-transmitting boundary
joints
seismic behavior
shield tunnel
