土木工程与管理学报2012，Vol.29Issue(1)：30-34,5.
预制混凝土拱涵地震响应分析
Analysis on Seismic Responses of Precast Concrete Arch Culvert
摘要
Abstract
A two-dimensional finite difference model is firstly established, and the process of installation of the precast arch culvert is simulated to obtain the initial state of arch culvert. Time history analysis is then performed to find the response laws of displacement and stress resultants of culvert structures. Finally, a wide range of parametric studies are carried out to investigate the influence of height of fill, peak ground acceleration and the propagation angle of seismic wave on the responses of arch culverts under seismic loads. Another important task is to find out the most vulnerable components or interfaces of the whole precast culvert. The results show that the lateral relative displacement between the arch crown and the foundation base, and the peak values of internal forces under seismic loads increase considerably and nonlinearly as the height of fill increases. The peak values of internal forces are sensitive to the minor variations of peak ground acceleration. Both the lateral relative displacement between the arch crown and the foundation base and the responses of stress resultants of culvert structure decrease when the propagation angle of seismic wave increases.关键词
预制拱涵/地震响应/填土高度/峰值加速度/地震波传播角度Key words
precast arch culvert/ seismic response/ height of fill/ peak ground acceleration/ propagation angle of seismic wave分类
交通工程引用本文复制引用
潘玉涛,郑俊杰,马强,母进伟..预制混凝土拱涵地震响应分析[J].土木工程与管理学报,2012,29(1):30-34,5.基金项目
黄土地区公路建设与养护技术交通行业重点实验室开放课题(KLTLR-Y11-3) （KLTLR-Y11-3）
贵州省交通科技攻关项目(2011-122-038) （2011-122-038）
