支架法变截面连续箱梁施工

摘要

阳城县下川桥为三孔变截面预应力连续箱梁桥,主桥桥跨布置为30 m＋40 m＋30 m。采用支架浇注法施工,主要介绍了其上部结构的施工工艺。%Xiachuan Bridge of Yangcheng County is a three-span pre-tension continuous box-girder bridge of variable crosssection, with the spans respectively being 30, 40 and 30 meters. The paper mainly introduces the supporting construction technique of the upper part of the bridge.