|Table of Contents|

Response analysis of cable-stayed bridge tower under combined action of earthquake and wave(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2024年03期
Page:
149-158
Research Field:
桥隧工程
Publishing date:

Info

Title:
Response analysis of cable-stayed bridge tower under combined action of earthquake and wave
Author(s):
LIU Yuhan QIN Sifeng
(College of Civil Engineering and Architecture, Dalian University, Dalian 116622, Liaoning, China)
Keywords:
cable-stayed bridge tower seismic force wave force hydrodynamic pressure Pushover analysis
PACS:
TU312.1
DOI:
10.19815/j.jace.2022.04053
Abstract:
In order to study the response law and failure mechanism of the sea-crossing bridge under the action of earthquake and wave, a cable-stayed bridge was selected as the research object. Three seismic waves, namely El-centro wave, Taft wave, and Tianjin wave, were selected, which were suitable for three different types of sites. Different seismic peak accelerations were combined with anhydrous, 8 m water depth, 16 m water depth, and 24 m water depth to form different working conditions. The dynamic time-history analysis and Pushover analysis on cable-stayed bridges under combined action of earthquake and wave effects were carried out, and the analysis results of the two methods were compared. The results show that under the combined action of earthquakes and waves, the larger the peak value of seismic acceleration, the smaller the relative impact of hydrodynamic pressure on the response of cable-stayed bridge towers. The deeper the water depth, the greater the impact of hydrodynamic pressure on the tower of the cable-stayed bridge. In low sea conditions with shallow water depths, seismic forces dominate. In deep sea conditions with high water depths, wave forces dominate. The Pushover method is consistent with the results of dynamic time-history analysis. When analyzing the nonlinear response of cable-stayed bridges under the combined action of earthquakes and waves, the Pushover analysis method has high accuracy and simpler calculation, so it is more suitable for engineering practice.

References:

[1] 张士博.斜拉桥结构在地震、波浪和海流作用下性能分析及优化设计[D].大连:大连理工大学,2018.
ZHANG Shibo.Structural performance analysis and optimization design on cable-stayed bridge subjected to earthquake,wave and current[D].Dalian:Dalian University of Technology,2018.
[2]吴安杰,杨万理,赵 雷.波流与地震共同作用下跨海斜拉桥动力反应研究[J].公路交通科技,2018,35(11):69-76.
WU Anjie,YANG Wanli,ZHAO Lei.Analysis on dynamic response of sea-crossing cable-stayed bridge under action of wave current and earthquake[J].Journal of Highway and Transportation Research and Development,2018,35(11):69-76.
[3]OZDEMIR Z,SOULI M,FAHJAN Y M.Application of nonlinear fluid-structure interaction methods to seismic analysis of anchored and unanchored tanks[J].Engineering Structures,2010,32(2):409-423.
[4]刘名名,唐国强,吕 林,等.平动与转动受迫谐振圆柱的水动力特性分析[J].振动与冲击,2017,36(11):31-40.
LIU Mingming,TANG Guoqiang,LU Lin,et al.Hydrodynamic characteristics of laminar flow over a circular cylinder having forced rotational and transverse harmonic oscillations[J].Journal of Vibration and Shock,2017,36(11):31-40.
[5]李 乔,刘 浪,杨万理.深水桥梁墩水耦合振动试验研究与数值计算[J].工程力学,2016,33(7):197-203.
LI Qiao,LIU Lang,YANG Wanli.Experimental and numerical investigation on pier-water coupling vibration of bridges in deepwater[J].Engineering Mechanics,2016,33(7):197-203.
[6]孟思博,丁 阳.地震和波浪联合作用下斜拉桥随机动力分析方法[J].振动与冲击,2020,39(17):194-202.
MENG Sibo,DING Yang.Stochastic dynamic analysis method for a cable-stayed bridge under combined actions of earthquake and waves[J].Journal of Vibration and Shock,2020,39(17):194-202.
[7]何晓宇,李宏男.地震与波浪联合作用下海洋平台动力特性分析[J].海洋工程,2007,25(3):18-25.
HE Xiaoyu,LI Hongnan.Dynamic analysis of offshore platform under seismic action and wave action[J].The Ocean Engineering,2007,25(3):18-25.
[8]李忠献,黄 健,丁 阳,等.不同地震激励下大跨度斜拉桥的地震反应分析[J].中国公路学报,2005,18(3):48-53.
LI Zhongxian,HUANG Jian,DING Yang,et al.Seismic responses of long-span cable-stayed bridges under different patterns of earthquake excitations[J].China Journal of Highway and Transport,2005,18(3):48-53.
[9]邹立华,赵人达,陈兴冲.桩-土-独塔斜拉桥相互作用地震响应分析[J].计算力学学报,2006,23(2):242-246.
ZOU Lihua,ZHAO Renda,CHEN Xingchong.Analysis of the response to earthquake of the pile-soil-single tower cable stayed bridge interaction[J].Chinese Journal of Computational Mechanics,2006,23(2):242-246.
[10]李忠献,黄 信.地震和波浪联合作用下深水桥梁的动力响应[J].土木工程学报,2012,45(11):134-140.
LI Zhongxian,HUANG Xin.Dynamic responses of bridges in deep water under combined earthquake and wave actions[J].China Civil Engineering Journal,2012,45(11):134-140.
[11]王东升,翟 桐,郭明珠.利用Push-over方法评价桥梁的抗震安全性[J].世界地震工程,2000,16(2):47-51.
WANG Dongsheng,ZHAI Tong,GUO Mingzhu.Estimated seismic vulnerability of bridges by Push-over method[J].World Earthquake Engineering,2000,16(2):47-51.
[12]CAMARA A,ASTIZ M A.Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation[J].Engineering Structures,2012,41:444-455.
[13]ABBASNIA R,TAJIK DAVOUDI A,MADDAH M M.An improved displacement-based adaptive pushover procedure based on factor modal combination rule[J].Earthquake Engineering and Engineering Vibration,2014,13(2):223-241.
[14]蔡志成.海上单桩风电机结构动力失稳研究与推覆分析[D].北京:清华大学,2018.
CAI Zhicheng.The dynamic instability and pushover analysis of offshore monopile wind turbines[D].Beijing:Tsinghua University,2018.
[15]居荣初,曾心传.弹性结构与液体的耦联振动理论[M].北京:地震出版社,1983.
JU Rongchu,ZENG Xinchuan.Coupled vibration theory of elastic structure and liquid[M].Beijing:Seismological Press,1983.
[16]黄 信.水-桥墩动力相互作用机理及深水桥梁非线性地震响应研究[D].天津:天津大学,2012.
HUANG Xin.Mechanism of water-bridge pier dynamic interaction and nonlinear seismic responses of bridges in deep water[D].Tianjin:Tianjin University,2012.
[17]邹志利.水波理论及其应用[M].北京:科学出版社,2005.
ZOU Zhili.Water wave theories and their applications[M].Beijing:Science Press,2005.
[18]朱伯龙,张琨联.建筑结构抗震设计原理[M].上海:同济大学出版社,1994.
ZHU Bolong,ZHANG Kunlian.Principle of seismic design of building structures[M].Shanghai:Tongji University Press,1994.
[19]李玉龙.地震与波浪联合作用下深水桥墩动力响应分析[D].天津:天津大学,2012.
LI Yulong.Dynamic response analysis of deep-water piers subjected to earthquake and wave loadings[D].Tianjin:Tianjin University,2012.

Memo

Memo:
-
Last Update: 2024-05-20