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1前言秦皇岛市港城大街东延伸道路工程一标段龙联铁路高架桥工程,该桥为东西走向全长994米,桥面宽36米,跨径布置为8×30+(41+55+38)+11×30+(27.5+30+27.5+2 7.5+3 0+2 7.5)+4×3 0米。其中41+55+38桥跨共计134米为钢箱预应力混凝土叠合梁,在8#~11#之间,跨越6股道的龙联铁路。2工法特点2.1采用滑道及卷扬机进行施工,设备简单2.2侧面水平导向控制,避免水平偏移。
1 Foreword Qinhuangdao City, Hong Kong City Avenue East Extension Road project a standard section of the Long Lian Railway viaduct project, the bridge east-west length of 994 meters, the bridge width of 36 meters, the span is arranged as 8 × 30 + (41 +55 +38 ) + 11 × 30 + (27.5 + 30 + 27.5 + 2 7.5 + 30 + 2 7.5) + 4 × 30 meters. The 41 + 55 + 38 bridges span a total of 134 meters of steel box prestressed concrete composite beams, between 8 # ~ 11 #, spanning 6 shares of Long Lian Railway. 2 features of the method 2.1 The use of slides and winches for construction, equipment is simple 2.2 lateral horizontal guidance control to avoid horizontal offset.