|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2010年07 期
| 标题 |
| 地铁列车运行引起的环境振动三维数值分析(50 卷) |
| 英文标题 |
| Three-dimensional numerical analysis of environment vibration induced by metro train operating |
| 摘要 |
| 采用移动荷载模拟地铁列车运行，利用ANSYS建立轨下基础—隧道—大地三维有限元模型进行分析。分析表明，大地振动最强的区域在离振源最近的轨道下方处；隧道越深，地面振动越小；随着列车速度的增大，地面振动随之增大；荷载频率越高，地面振动加速度衰减越快。应重点考虑低频 |
| 作者 |
| 新闻作者:严 涛, 肖新标, 金学松，吴 磊 |
| 关键字 |
