Study on Trian Vibration Response and Cumulative Deformation of Sand Layers of the Tunnel

Release time:2016-03-30

Journal:Journal of the China Railway Society

Key Words:砂层隧道；列车振动；累积变形

Abstract:采用动力有限元数值计算方法，对列车荷载作用下狮子洋隧道典型砂层段的动力响应进行计算分析。进一步借鉴路基累积变形计算方法，对列车长期荷载作用下隧道基底砂层累积变形计算方法进行探讨。狮子洋隧道基底砂层段孔隙水压力消散较快，基底土层实际动应力比小于其临界动应力比，隧道基底砂层不会由于列车长期运营而产生局部液化破坏；

Co-author:丁祖德, 彭立敏, 雷明锋, 施成华

Indexed by:Unit Twenty Basic Research

Document Code:1001-8360(2011)07-0118-07

Document Type:J

Volume:33

Issue:7

Page Number:0118-0124

Translation or Not:no

Date of Publication:2011-07-15

Links to published journals:http://www.cnki.net/KCMS/detail/detail.aspx?QueryID=1&CurRec=9&recid=&filename=TDXB201107023&dbname=CJFD2011&dbcode=CJFQ&pr=&urlid=&yx=&uid=WEEvREcwSlJHSldSdnQ1V040ZzdENzRzYWRpNkczVysvY1JMY0FJZDdxZGF6