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Long-Term Effects Of Super Heavy-Weight Vehicles On Bridges, Scott M. Wood, Necip Onder Akinci, Judy Liu, Mark D. Bowman
Long-Term Effects Of Super Heavy-Weight Vehicles On Bridges, Scott M. Wood, Necip Onder Akinci, Judy Liu, Mark D. Bowman
JTRP Technical Reports
A permit truck which exceeds the predefined limit of 108 kips is defined as a superload in Indiana. This study was conducted to examine the long-term effects of superload trucks on the performance of typical slab-on-girder bridges and to assess the likelihood of causing immediate damage. Typical steel and prestressed concrete slab-on-girder type bridges were analyzed using both beam line analysis and detailed finite element models. Furthermore, one prestressed concrete bridge and one steel bridge were instrumented using more than 50 sensors each. Strains and deflections were measured during a live load test, and each bridge was monitored for more …