Analysis on maintenance and reinforcement effect and maintaining strategy of Xiaodian viaduct

This paper introduces the maintaining and reinforcing measures of Xiaodian viaduct on Taiyuan Nanhuan highway,analyzes actual effect of external horizontal prestress in the reinforcement of fabricated plate-beam.In addition,it explores maintaining strategies and methods of bridges maintained and reinforced,so as to serve continuous bridge transportation and to ensure the structural safety and durability.