Patent ID: 8376652
Filing Date: 2013-02-19
Classification: E01D

Abstract:
1. An expansion joint system for a gap defined between adjacent first and second structures comprising: a plurality of transversely extending vehicular load bearing members having top surfaces exposed to traffic and bottom surfaces opposite said top surfaces; a plurality of support members positioned below said transversely extending load bearing members and extending longitudinally across said expansion joint from said first structure to said second structure; Wherein at least one of said plurality of longitudinally extending support members is movably engaged with all of said plurality of transverse load bearing members and at least one of said transversely extending vehicular load bearing members is fixedly connected to only one of said longitudinally extending support bar members; and housings for accepting opposite ends of said plurality of support members; wherein said expansion joint system comprises a plurality of zones wherein movement of the vehicular load bearing members in a particular zone occurs in response to a different level of movement within the structure.