The study & application improved PCI girders for designing & building overfly bridges in Vietnam big cities

Abstract

    Traffic jam situation has become seriously in big Cities of Vietnam because of low serviceability of plan intersections. Building cross over bridges and space intersections is the solution which has been applied the most popularly. However, there are necessaries for structural design with aesthetics, quick construction schedule, limit pollution affection, and minimalizing the traffic conflict with the current active road. The study investigates and proposes a superstructure type with improved PC girders and continued after erected