| 独塔空间缆索自锚式悬索桥动力特性研究 |
| |
| 引用本文： | 王玉田,马宗志,姜福香.独塔空间缆索自锚式悬索桥动力特性研究[J].桥梁建设,2011(4). |
| |
| 作者姓名： | 王玉田 马宗志 姜福香 |
| |
| 作者单位： | 1. 青岛理工大学土木工程学院,山东青岛,266033
2. 上海同丰工程咨询有限公司,上海,201204 |
| |
| 基金项目： | 山东省自然科学基金(2009ZRB019HD) |
| |
| 摘 要： | 为了研究独塔空间缆索自锚式悬索桥动力特性,以青岛海湾大桥大沽河航道桥跨径(80+l90+260+80)m的空间缆索自锚式悬索桥]为背景,利用MIDAS Civil 2006有限元分析软件建立全桥三维模型,计算出其前10阶自振特性。通过对其动力特性进行分析发现,该自锚式悬索桥除了具有悬索桥的振动特性之外,还有斜拉桥的振动特性;自锚式悬索桥的整体刚度相比地锚式悬索桥有所降低,因而其固有周期较长。
|
| 关 键 词： | 悬索桥 动力特性 有限元法 振动频率 振动分析 |
Study of Dynamic Characteristics of Single-Tower Self Anchored Suspension Bridges with Spatial Cables |
| |
| WANG Yu-tian,MA Zong-zhi,JIANG Fu-xiang.Study of Dynamic Characteristics of Single-Tower Self Anchored Suspension Bridges with Spatial Cables[J].Bridge Construction,2011(4). |
| |
| Authors: | WANG Yu-tian MA Zong-zhi JIANG Fu-xiang |
| |
| Institution: | WANG Yu-tian1,MA Zong-zhi2,JIANG Fu-xiang1(1.School of Civil Engineering,Qingdao Technological University,Qingdao 266033,China,2.Shanghai Tongfeng Engineering Consulting Co.,Ltd.,Shanghai 201204,China) |
| |
| Abstract: | To study the dymamic characteristics of single-tower self-anchored suspension bridges with spatial cables,the Dagu River Shipping Channel Bridge(a self-anchored suspension bridge with spatial cables and with span arrangement(80+190+260+80) m) of Qingdao Bay Bridge was cited as an example,the finite element analysis software MIDAS Civil 2006 was used to establish the three-dimensional model for the whole bridge and the 10 orders of the natural vibration characteristcs of the bridge were caculated.The anlaysi... |
| |
| Keywords: | suspension bridge dynamic characteristic finite element method vibration frequency vilration analysis |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
