Structural Performance of Easy Slab Bridge as New Structural Type
2007
The easy slab bridge (RC slab bridge with H steel girder) was developed 4 years ago as a composite slab bridge for short span length bridges of 20 m under in Japan. Tarouda Bridge in this study is an easy slab highway bridge reconstructed in 2004 due to degradation and damage of PC slab bridge constructed in 1978. To investigate static and dynamic performance on structure of easy slab bridge, the static and dynamic tests of the bridge with one dump truck were done in July 2005. The structural characteristics and performances on static and dynamic behaviors were investigated in the terms such as deflection, response vibration, vibration characteristics, dynamic increment factor, and vibration serviceability. Furthermore, three-dimensional static and eigenvalue analyses of the bridge were also done by FEM, and the structural characteristics and performances based on results of the field tests and the analyses were investigated.
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