摘要
研究了参变管道在随机交通荷载作用下的振动响应问题。利用摄动法表示了管道系统各参数的随机性,推导了管道在随机载荷下响应特性的计算表达式,并提出了一种简化求解算法;通过实例分析考察了管道系统参数变化以及交通荷载的随机性特征对管道响应的影响,从而证明了该方法对这类问题的适用性。
The vibration response of the pipelines with changing parameters under random traffic loads has been studied in this paper. The paper uses the perturbation theory to describe the random character about the changing parameters of the pipelines. The calculate formula and the simply resolution of the response character of the pipelines under random loads was educed. Based on the analysis of the example, the effect of ran dom character about the pipelines parameters and the traffic loads to the response of the pipelines has been re viewed in the paper at last. So this method is suitable for such problems.
出处
《中南公路工程》
2006年第2期58-61,共4页
Central South Highway Engineering
基金
国家自然科学基金资助项目(50278088)
关键词
参变管道
交通荷载
随机特性
Pipelines With Changing Parameters
Traffic Loads
the Random Characteristics
