نتایج جستجو برای: stayed bridges

تعداد نتایج: 24342  

Journal: :international journal of civil engineering 0
m.m. jalili assistant professor, mechanical engineering department, yazd university, po box 89195-741, yazd, iran a.h. orafa phd student, mechanical engineering department, yazd university, po box 89165-741, yazd, iran

the vibration of cable-stayed bridges subjected to the passage of high-speed trains is studied in this article. the moving train includes a number of wagons, each of which is modeled as a four-axle system possessing 48 degrees of freedom. the car model is nonlinear and three-dimensional and includes nonlinear springs and dampers of primary and secondary suspensions, dry friction between differe...

2014
Andrea Scotti Heidi Nepf

In the design of a structure, one of the most difficult parameter to assess is how the initial condition of a structure will change with time. During its life span, a structure can be subjected to different loads, changes in geometric configuration and even changes in its mechanical properties. Among all factors that can affect the geometrical reconfiguration of a structure (i.e. settlements an...

2013
Hae-Bum Yun Se-Hoon Kim Liuliu Wu Jong-Jae Lee

This paper presents the bridge cable inspection robot developed in Korea. Two types of the cable inspection robots were developed for cable-suspension bridges and cable-stayed bridge. The design of the robot system and performance of the NDT techniques associated with the cable inspection robot are discussed. A review on recent advances in emerging robot-based inspection technologies for bridge...

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