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介绍一种整体纵向拖拉就位的桥梁施工方法。该方法在跨线桥一侧已建好的引桥或路基上拼装系杆拱的拱肋、系杆、刚性吊杆、横撑,形成整体桁架;将桁架一端置于引桥或路基的滑轨上,另一端置于拖车或临时在被交道路铺设的轨道车上,短时间封闭被交道路交通,用卷扬机牵引,纵向拖拉就位;然后施工桥面系。
Describe a kind of whole longitudinal hauling bridge construction method. The method comprises assembling arch ribs, tie rods, rigid suspenders and cross supports on a tie-in bridge or a subgrade which has been built on one side of a bridge and forms a whole truss; placing one end of the truss on a guide rail of a guide bridge or a subgrade , The other end is placed on the trailer or temporarily in the rail car was laid paved roads, closed for a short time was traffic road traffic, with traction winch, dragged longitudinally in place; and then the construction of the bridge deck.