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| 1 | Seismic response analysis of road vehicle-bridge system for continuous rigid frame bridges with high piers显示文摘The objective of this study is to investigate the effects of earthquakes on road vehicle-bridge coupling vibration systems. A two-axle highway freight vehicle is treated as a 13 degree-of-freedom system composed of several rigid bodies, which are connected by a series of springs and dampers. The framework of the earthquake-vehicle-bridge dynamic analysis system is then established using an earthquake as the external excitation. The equivalent lateral contact force serves as the judgment criteria for sideslip accidents according to reliability theory. The entire process of the vehicle crossing the bridge is considered for a very high pier continuous rigid frame bridge. The response characteristics of the vehicle and the bridge are discussed in terms of various parameters such as earthquake ground motion, PGA value of the earthquake, incident angle, pier height, vehicle speed and mass. It is found that seismic excitation is the most influential factor in the responses of the vehicle-bridge system and that the safety of vehicles crossing the bridge is seriously impacted by the dual excitations of earthquake and bridge vibration. | Li Yongle Chen Ning Zhao Kai Liao Haili | 2012 | Earthquake Engineering and Engineering Vibration2012,11,4: | 9 |
| 2 | Influence of aerodynamic configuration of a streamline box girder on bridge flutter and vortex-induced vibration显示文摘Streamline box girders are widely applied in the design and construction of long-span bridges all over the world.In order to study the influence of modifications of aerodynamic configuration and accessory components on flutter and vortex-induced vibration(VIV),more than 60 cases were tested through a 1?50 scale section model.The test results indicates that the aerodynamic configuration and accessory components of streamline box girders can signifi-cantly affect the wind-induced vibration of bridge,which is in good agreement with the experience of past researchers.From the tests carried out,it is observed that if the horizontal angle of the inclined web of the streamline box girder is below 16°,the critical flutter wind speed of bridge will increase remarkably,and the VIV will diminish.The test results also show that the 15° inclined web can restrain the formation of vortex near the tail,and consequently improve the performance of aerodynamic stability of long-span bridges.Finally,a new streamline box girder with 15° inclined web was presented and strongly recommended in the aerodynamic configuration design of long-span bridges. | Qi WANG Haili LIAO Mingshui LI Cunming MA | 2011 | Journal of Modern Transportation2011,19,4: | 7 |
| 3 | Weighting Ensemble Least-Square Method for Flutter Derivatives of Bridge Decks显示文摘 | LI Yongle LIAO Haili QIANG Shizhong | 2003 | Journal of Wind Engineering and Industrial Aerodynamics2003,91,: | 1 |
| 4 | Simplifying the simulation of stochasitc wind velocity fields for long cable-stayed bridges 显示文摘 | Li Yongle Liao Haili Qiang Shizhong | 2004 | Computers and Structures2004,82,: | 1 |
| 5 | Dynamics of wind-rail vehicle-bridge systems 显示文摘 | Li Yongle Qiang Shizhong Liao Haili Xu Y L | 2006 | Journal of Wind Engineering and Industrial Aerodynamics2006,93,: | 1 |
| 6 | Weighting ensemble least-square method for flutter derivatives of bridge decks 显示文摘 | Li Yongle Liao Haili Qiang Sizhong | 2003 | Journal of Wind Engineering and Industrial Aerodynamics2003,91,6: | 1 |
| 7 | Dynamics of wind-rail vehicle-bridge system显示文摘 | LI Yongle QIANG Shizhong LIAO Haili | 2005 | Journal of Wind Engineering and Industrial Aerodynamics2005,93,: | 1 |
| 8 | Study on the influence of thermal characteristics of hy- perbranched polyurethane phase change materials for energy storage 显示文摘 | Cao Qi Liao Li Xu Haili | 2009 | Journal of Applied Polymer Science2009,115,4: | 1 |
| 9 | Simplifying the Simulation of Stochastic Wind Velocity Fields for Long Cable- stayed Bridges显示文摘 | Li Yongle Liao Haili Qiang Shizhong | 2004 | Computers and Structures2004,82,2021: | 1 |
| 10 | Dynamics of wind-rail vehicle-bridge systems 显示文摘 | Li Yongle Qiang Shizhong Liao Haili Xu Y L | 2005 | Journal of Wind Engineering & Industrial Aerodynamics2005,93,: | 1 |
| 11 | Preparation and Properties of Flame Retardant Polypropylene with an Intumescent System Encapsulated by Thermoplastic Polyurethane显示文摘 | Xuejun Lai Xingrong Zeng Hongqiang Li Feng Liao Haili Zhang Changyu Yin | 2012 | Journal of Macromolecular Science Part B2012,,1: | 1 |
| 12 | Simplifying the simulation of stochastic wind velocity fields for long cable-stayed bridges 显示文摘 | Li Yongle Liao Haili Qiang Shizhong | 2004 | Computers and Structures2004,82,: | 1 |
| 13 | Dynamics of wind-rail vehicle-bridge systems 显示文摘 | LI Yongle QIANG Shizhong LIAO Haili | 2005 | Journal of Wind Engineering and Industrial Aerodynamics2005,93,6: | 1 |
| 14 | Simplifying the simulation of stochastic wind velocity fields for long cable-stayed bridges 显示文摘 | Li Yongle Liao Haili Qiang Shizhong | 2004 | Computers andStractures2004,,82: | 1 |
| 15 | Simplifying the simulation of stochastic wind velocity fields for long cable-stayed bridges显示文摘 | Yongle Li Haili Liao Shizhong Qiang | 2004 | Computers and structures2004,82,: | 1 |
| 16 | Dynamics of wind-rail vehicle-bridge systems显示文摘 | Li Yongle Qiang Shizhong Liao Haili Xu Y-L | 2005 | Journal of Wind Engineering and Industral Aerodynamics2005,93,6: | 1 |
| 17 | Dynamics of wind-rail vehicle-bridge systems 显示文摘 | Li Yongle Qiang Shizhong Liao Haili | 2005 | Journal of Wind Engineering and Industrial Aerodynamics2005,93,6: | 1 |
| 18 | Dynamics of wind-rail vehicle-bridge systems显示文摘 | Li Yongle Qiang Shizhong Liao Haili | | 0,,06: | 1 |
| 19 | Dynamics of wind-rail vehicle-bridge system显示文摘 | LI Yongle QIANG Shizhong LIAO Haili | 2005 | Journal of Wind Engineering and Industrial Aerodynamics2005,93,6: | 1 |
| 20 | Dynamics of Wind Rail Vehicle-Bridge Systems显示文摘 | LI Yongle QIANG Shizhong LIAO Haili | 2005 | Journal of Wind Engineering and Industrial Aerodynamics2005,93,: | 1 |