CAJ | 학술논문

武汉鹦鹉洲长江大桥主桥为（200＋2×850＋200） m的三塔四跨地锚式悬索桥，为解决桥面铺装层易破损、脱离移位的难题，主梁采用钢-混结合梁结构，其上铺装改性沥青SM A铺装层。针对该新型结构设计，钢加劲梁各单元件均提前在专业钢结构加工厂内制造成型，并采用长线法预拼；混凝土桥面板采取工厂预制施工；边跨混凝土桥面板与钢加劲梁结合采取先节段内结合，后节段间结合的二次结合施工技术；中跨混凝土桥面板与钢加劲梁结合采取先节段桥面板临时固定，后分批浇筑湿接缝混凝土的结合施工技术。实践证明，该桥采用的钢-混结合梁施工技术实际应用效果良好。
무한앵무주장강대교주교위（200＋2×850＋200） m적삼탑사과지묘식현색교，위해결교면포장층역파손、탈리이위적난제，주량채용강-혼결합량결구，기상포장개성력청SM A포장층。침대해신형결구설계，강가경량각단원건균제전재전업강결구가공엄내제조성형，병채용장선법예병；혼응토교면판채취공엄예제시공；변과혼응토교면판여강가경량결합채취선절단내결합，후절단간결합적이차결합시공기술；중과혼응토교면판여강가경량결합채취선절단교면판림시고정，후분비요축습접봉혼응토적결합시공기술。실천증명，해교채용적강-혼결합량시공기술실제응용효과량호。
The main bridge of Yingwuzhou Changjiang River Bridge in Wuhan is a three-tower four-span earth-anchored suspension bridge with span arrangement of (200+2 × 850+200) m .To counteract the bridge deck pavement damage ,detaching and displacement ,the main girder is de-signed as the steel-concrete composite girder structure covered with modified asphalt SMA pave-ment .To suit the new structural design ,all the elements of the steel stiffening girder were prefab-ricated and assembled by long line method in the specialist steel structure workshop .The concrete deck slabs were also factory-made .The concrete deck slabs and the steel stiffening girder in the side spans were combined by using the two-phased combining construction technique ,by which the elements in each section were combined first and then ,the overall sections were combined .But for the concrete deck slabs and the steel stiffening girder in the intermediate spans ,the concrete deck slabs in each section were temporarily fixed ,and then connected by the wet concrete joints that were cast batch by batch .The engineering experience proves that the construction techniques used to the steel-concrete composite girder of the bridge exhibit sound effect .