汉江大跨越输电线路风振系数与风振响应分析

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1、目录摘要....................................................................................................................IABSTRACT.............................................................................................................II1绪论..................................

2、..................................................................................11.1研究背景..........................................................................................................11.2工程背景.........................................................................

3、.................................21.3文献综述..........................................................................................................31.3.1结构风致振动研究发展概述...................................................................31.3.2输电塔风振系数研究现状............................

4、...........................................51.4本文主要内容..................................................................................................62大跨越输电塔线体系的风荷载模拟...................................................................72.1引言....................................

5、..............................................................................72.2随机风荷载的描述..........................................................................................72.3风及风荷载的表达.....................................................................................

6、.....82.3.1风的描述...................................................................................................82.3.2风荷载的表达式.......................................................................................82.4脉动风荷载的模拟...................................................

7、.....................................102.4.1脉动风速时程AR模型..........................................................................112.4.2求回归系数.............................................................................................112.4.3求给定方差的随机过程...........................

8、..............................................122.4.4AR模型阶数识别