文章提出一种现浇梁跨越公路或铁路时,如何搭设龙门支架的方法。尤其适用于在梁体重,地形条件复杂,公路或铁路行车密度高,安全威胁大等条件下龙门支架的拼装。具有费用低廉、拼装简单、施工方便、安全可靠、拆除方便、受地形限制小等特点。 This article presents a method of how to set up a gantry bracket when a cast-in-situ beam crosses a highway or a railway. In particular, it is suitable for the assembly of gantry brackets under the conditions of high beam weight, complex terrain, high traffic density on highways or railways, and great safety threats. The utility model has the advantages of low cost, simple assembly, convenient construction, safety and reliability, easy removal and small terrain restriction.