Influenced factors of static-dynamic character about tunnel-bridge structure.

Release time:2016-03-31

Journal:Journal of Central South University (S&T)

Key Words:tunnel-bridge structure; static-dynamic character; influenced factors

Abstract:采用三维静动力有限元计算方法，对隧道洞口段桥隧相连复杂结构静动力特性的影响因素进行分析。考虑围岩、隧道衬砌以及桥台的相互作用，根据动力有限元的特点建立简化计算模型并验证其可靠性，分析列车速度、高跨比、桥台伸入隧道长度等，对隧道结构的静动力响应的影响。计算结果表明：列车速度、列车制动荷载及隧道高跨比对隧道结构的静动力受力特性影响较小，除竖向位移外，隧道其余应力及位移的变化在 10%以内.

Co-author:赵丹, 彭立敏, 雷明锋, 施成华

Indexed by:Unit Twenty Basic Research

Document Code:1672-7207(2011)04-1085-07

Discipline:土木工程

Volume:42

Issue:4

Page Number:1085-1091

ISSN No.:1672-7207

Translation or Not:no

Date of Publication:2011-04-06

Links to published journals:http://www.cnki.net/KCMS/detail/detail.aspx?QueryID=1&CurRec=14&recid=&filename=ZNGD201104038&dbname=CJFD2011&dbcode=CJFQ&pr=&urlid=&yx=&uid=WEEvREcwSlJHSldSdnQ1V040ZzdENzRzYWRpNkczVysvY1JMY0FJZDdxZGF