| A FRP girder bridge was constructed at Hakui city、Ishikawa Prefecture. The same type of bridge with the same span length was constructed in the Public Works Research Institute at Tsukuba city. A FRP bridge is lightweight and its elastic modulus is relatively small compared to the steel member. Therefore、it is necessary to grasp the natural frequencies、damping characteristics、and to check the vibration serviceability due to walking. This study had the vibration tests and static loading tests for the two FRP footbridges. As a result of these tests、the vibration characteristics and serviceability of these bridges due to human walking was confirmed. |