互通立交跨線橋上部構造施工方案.doc

K5+463.580互通立交跨線橋上部構造施工方案

一、工程概況
濱州互通立交共有二座跨線橋分別為:Ⅰ號橋位于主線k5+463.580處，上跨新建220國道，上部結構采用22+30+30+22m預應力砼連續箱梁，梁高1.40m，左幅單箱三室，凈寬12m;右幅單箱四室，凈寬16m。橫向布置成上下行分離式橋梁，橋面凈寬為28m，中央分隔帶寬3.0m，橋面內側設波形護欄，外側設墻式護欄；Ⅱ號橋位于主線K5+168.280處， G205線高速公路線上跨；采用15+20+15m預應力砼連續箱梁，梁高1.3m，左幅單箱五室，橋面凈寬19.8-17.7m，右幅單箱三室，凈寬12m；兩側設墻式護欄；上部箱梁采用50號砼，預應力筋采用Φj15.24高強低松弛鋼鉸線。支座采用圓板式橡膠支座。采用滿堂支架整體現澆施工。

二、連續箱梁施工方案
（一）、連續梁施工工藝流程圖：，
連續梁施工工藝流程圖：
K5 +463.580 Interchange Overpass Bridge Superstructure Construction Programme

First, project survey
Binzhou Interchange overpass were a total of 2: Ⅰ, The Bridge is located in the main line k5 +463.580 Department, the new 220 national highway cross the upper structure with 22 +30 +30 +22 m prestressed concrete box girder, beam height 1.40m, left pieces of single-box three rooms, net width 12m; the right pieces of single-box four-room, net width 16m. Upper and lower horizontal lines arranged separate bridge deck net width is 28m, the central divider bandwidth of 3.0m, located inside wave bridge parapet wall located outside the fence; Ⅱ, The Bridge is located in the main line K5 +168.280 Department, G205 high-speed line online cross-road; with 15 +20 +15 m prestressed concrete box girder, beam high-1.3m, left me five pieces of single-room, deck net width 19.8-17.7m, the right pieces of single-box three rooms, net width 12m; 2 side of the barrier wall located; top box with 50 concrete, prestressed high-strength low-relaxation steel with Φj15.24 hinge line. Supports use of circular plate bearing. Construction of the whole place with Full Support.

Second, continuous box girder construction plan
(A), continuous beam construction process flow chart:,
Construction of Continuous Flow Chart:
 

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