三塔自锚式悬索桥缆索施工技术

摘要

山西临汾尧贤街跨洰河桥梁主跨168 m,为三塔双索面自锚式缆索桥,主塔索鞍采用门架系统吊装,猫道为四跨分离式.施工中针对猫道、主缆架设和紧缆等工序制订了施工方案,保证了桥梁顺利施工.%The Juhe River-crossing bridge along Yaoxian Street in Linfen of Shanxi is a three-tower self-anchored double-cable bridge and its main span is 168 m. Cable saddle of main tower is lifted by using portal crane system and four-span separate catwalks was adopted. Schemes were made for catwalks construction, main cable erection and cable tightening, to guarantee successful bridge construction.