Abstract
A bridge inspection path using GFRP trussed girder has been developed for the highway bridges. The innovative feature is the introduction of a trussed-girder-type with a sandwich slab panel made of pultruded GFRP and urethane foam. In study, in order to make improvements and more reasonable, the panel joints are reinforced by GFRP angle profiles, the distance between the panel joints is extended and the thickness of slab is reduced in the bridge inspection path using GFRP trussed girder. The several experimental studies were conducted using the real size model. The serviceability of deflection limitation and vibration were investigated and there was no problem for the serviceability. In addition, the load carrying capacity of the real size model was examined by four-point bending test and sufficiently high against design load. Therefore, the developed bridge inspection path using GFRP trussed-girder-type with a sandwich slab panel have the applicability for practical use.
