Vehicle-Induced Dynamic Response of Expansion Joints in Long Span Bridges

2014 ◽  
Vol 584-586 ◽  
pp. 2117-2120
Author(s):  
Zhen Sun ◽  
Yu Feng Zhang
Keyword(s):  
Dynamic Response ◽  
Newmark Method ◽  
Expansion Joint ◽  
Expansion Joints ◽  
Long Span Bridges ◽  
Finite Element Software ◽  
Long Span ◽  
Vehicle Impact ◽  
Vehicle Loading ◽  
Analysis Scheme

Due to increasing traffic on long span bridges, behavior of expansion joints is believed to be largely influenced by pounding impact from passing vehicles. In order to precisely understand behavior of expansion joint under vehicle impact loading, a new analysis scheme is proposed which incorporates interaction between vehicle and expansion joint. Mathematical model of vehicle is established and solved with Newmark method. Expansion joint is modeled with refined solid element in Finite element software ABAQUS. The analysis indicates that vehicle loading can induce large dynamic response of expansion joint in long span bridges.

Dynamic Response Analysis of Long-Span Continuous Bridge Considering the Effect of Train Speeds and Earthquakes

2020 ◽  
Vol 20 (06) ◽  
pp. 2040013
Author(s):  
Xin-Jun Gao ◽  
Peng-Hui Duan ◽  
Hui Qian
Keyword(s):  
Dynamic Response ◽  
Incident Angle ◽  
Vertical Displacement ◽  
Wave Incident ◽  
Response Analysis ◽  
Dynamic Response Analysis ◽  
Finite Element Software ◽  
Long Span ◽  
Vertical Displacements ◽  
Train Speed

In this paper, the dynamic response analysis of long-span continuous bridge under earthquake and train load was simultaneously performed. In order to clearly reveal the mechanism of vibration coupling between vehicles and highway long-span continuous bridge, a numerical model including soil foundation, vehicle and bridge under inclined seismic wave was established utilizing finite element software. The dynamic response of the bridge with different wave incident angles and different train speeds was numerically analyzed. The results show that the wave incident angles have a significant effect on the dynamic response of the bridge, and with the increasing of the wave incident angle, the vertical displacement and velocity as well as the acceleration of mid-span constantly increase. While the dynamic response of the bridge does not increase always with the increasing of train speed, however, at a certain train speed, the dynamic response will reach the maximum. With the increasing of the train speed, the vertical displacements of mid-span points increase while the moments at mid-span reduce significantly when the soil–structure dynamic interaction was considered. The results can provide significant references to ensure the train safe running on the bridges under the earthquake.

Challenges and Solutions for Expansion Joints on Super Long Span Bridges

2012 ◽  
Vol 18 (5) ◽  
pp. 1643-1650
Author(s):  
Pascal Savioz ◽  
Thomas Spuler ◽  
Colm O'Suilleabhain
Keyword(s):  
Expansion Joints ◽  
Long Span Bridges ◽  
Long Span

Aeroelastic forces and dynamic response of long-span bridges

2004 ◽  
Vol 60 (6) ◽  
pp. 1011-1048 ◽  
Author(s):  
Massimiliano Lazzari ◽  
Renato V. Vitaliani ◽  
Anna V. Saetta
Keyword(s):  
Dynamic Response ◽  
Long Span Bridges ◽  
Long Span

Damage Mechanism of Control Springs in Modular Expansion Joints of Long-Span Bridges

2018 ◽  
Vol 23 (7) ◽  
pp. 04018038 ◽  
Author(s):  
Tong Guo ◽  
Lingyu Huang ◽  
Jie Liu ◽  
Yi Zou
Keyword(s):  
Damage Mechanism ◽  
Expansion Joints ◽  
Long Span Bridges ◽  
Long Span

Proposed Vehicle Loading of Long-Span Bridges

1980 ◽  
Vol 106 (4) ◽  
pp. 915-932 ◽  
Author(s):  
Peter Graham Buckland ◽  
Frank P.D. Navin ◽  
Jim V. Zidek ◽  
John P. McBryde
Keyword(s):  
Long Span Bridges ◽  
Long Span ◽  
Vehicle Loading

Research on Wind-Resistant Capability of Two Common Section Forms for Long Span Bridges

2013 ◽  
Vol 438-439 ◽  
pp. 930-934
Author(s):  
Jia Li Xie ◽  
Cun Ming Ma ◽  
Chun Xu Lei ◽  
Qing Song Duan
Keyword(s):  
Structural Models ◽  
Internal Force ◽  
Main Section ◽  
Box Girder ◽  
Long Span Bridges ◽  
Finite Element Software ◽  
Long Span ◽  
Steel Box Girder ◽  
Section Design ◽  
Closed Steel

Long span bridges have two main section forms including streamlined closed steel box girder and twin steel box girder. In order to compare the wind-resistant capacity, the finite element software ANSYS is adopted to establish the calculation structural models of Third Bosphorus Bridge respectively with two kinds of sections in the same width. According to the analysis of the wind-induced internal force and the flutter stability, the respective advantages of the two section forms in terms of wind-resistant capability are discussed. The analysis results could be used as reference in the section design of long span bridges.

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