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吉安自鹭大桥主桥为三跨连续钢管混凝土系杆拱桥。在施工过程中,采用从拱座、缆索吊机的安装测量到钢管拱的安装测量等逐步控制的原则,从而保证钢管拱安装线形要求。
Ji’an since Lu Bridge main bridge for the three-span continuous concrete-filled steel arch bridge. During construction, the principle of step-by-step control, such as the installation and measurement from arch base and cable crane to the installation and measurement of steel pipe arch, is adopted so as to ensure the linear requirements of steel pipe arch installation.