铁道标准设计Issue(6)：93-97,5.DOI:10.13238/j.issn.1004-2954.2014.06.021
高速铁路列车振动荷载对下穿隧道地层动力响应分析
Analysis on Stratum Dynamic Response to Train Vibration Load When Tunneling below an Existing High-speed Railway
高玄涛1
作者信息
- 1. 中铁第一勘察设计院集团有限公司，西安 710043
- 折叠
摘要
Abstract
Tunneling below an existing high-speed railway belongs to special grade of risk source, and the requirement on stratum settlement in the case is very high. This study was based on a certain project of tunneling below an existing high-speed railway. In this study, the strata's dynamic response to train vibration load during tunneling below the existing high-speed railway was analyzed by means of three-dimensional numerical simulation. The numerical simulation result indicated that the intersection point between the tunnel and the existing high-speed railway subgrade was the most critical part in this project, and so relevant strengthening measures should be employed for this part in both the stages of design and construction, for the purpose of ensuring construction safety of the tunnel and ensuring normal operation of the existing high-speed railway.关键词
下穿隧道/振动荷载/数值模拟/动力响应Key words
tunneling below existing structure/vibration load/numerical simulation/dynamic response分类
交通工程引用本文复制引用
高玄涛..高速铁路列车振动荷载对下穿隧道地层动力响应分析[J].铁道标准设计,2014,(6):93-97,5.
