Reinforcement Measures for In-service Double-curved Arch Bridge

Based on the current situation that reinforced concrete double-curved arch bridges have long history and increasing diseases,some double-curved arch bridges have strong arch support,but can not bear the existing traffic and heavy vehicles.In order to resolve this problem,the structural force of reinforced concrete doublecurved arch bridge is analyzed through actual example,and the reinforcement measures are taken to increase the capacity of arch ring,which keeps old bridges bringing economic and social benefits.