安义县戴坊大桥(渡改桥)桥型方案选取

Bridge Type Selection of Anyi Daifang Bridge (Ferry-Transformed Bridge)

本文按照桥梁设计的四原则(安全、适用、经济、美观),在戴坊大桥工可阶段优化了桥位选择,在初步设计阶段进行了桥型方案的比选,进而确定推荐方案和相关的具体设计内容。

Under the four principles of bridge design（security, application, economics, aesthetics）, the thesis optimizes the bridge site in the feasibility of the project; and compares and selects bridge program in the preliminary design phase of the Daifang Bridge; then determines the recommended program and related specific design content.