Title: Refinement Analysis and Dynamic Visualization of Traffic-bridge Coupling Vibration System
Abstract:On the basis of functional deficiency of the current highway vehicle-bridge coupling analysis system,a refinement analysis system of random traffic-bridge coupling vibration was established,with the r...On the basis of functional deficiency of the current highway vehicle-bridge coupling analysis system,a refinement analysis system of random traffic-bridge coupling vibration was established,with the random nature of passing vehicle loads on a bridge considered.The traffic information acquisition system and dynamic weighing facility were used to conduct comprehensive observation for traffic load data and to record arrival time,transversal traveling location,speed,type and mass of each vehicle passing the tested section,based on which,random traffic flow was formed to reflect actual traffic situation.Aimed at single girder and grillage method bridge analytical model,an analytical software,in which a typical vehicle database was included with spatial road roughness considered,was developed,and the software had the function of setting one-way and two-way multi-lane and analyzing random values for parameters such as vehicle type,vehicle suspension system,vehicle weight,transversal traveling position,vehicle speed,bump position and obstacle dimensions.Then dynamic visualization of random traffic flow passing bridge based on OpenGL was developed.Finally,taking a cable-stayed bridge of single main girder and a multi-girder bridge as examples,the influence of traffic load on bridge structure was studied in details.The results indicate that the traffic-bridge coupling vibration system is of advantage.Read More
Publication Year: 2013
Publication Date: 2013-07-01
Language: en
Type: article
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Cited By Count: 8
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