As the key content of mountainous expressway engineering,bridge engineering has the characteristics of complex terrain and geology,long construction period,high cost,and long measurement and payment cycle.This paper analyzes the construction characteristics of mountainous expressway bridges,and deeply explores the key construction technical points,including the key construction technical points of superstructure and substructure.The construction unit needs to strictly control the construction process of different links and conduct high-quality construction combined with working conditions.
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