2014年6月上 施工技术 第43卷第11期 CONSTRUCTION TECHNOLOGY 49 D0I:10.7672/5js2014110049 高潮差河段钢箱梁滑移上岸工艺研究 蓝斌1 2 (1.重庆交通大学土木建筑学院,重庆400074;2.中交二航局第二工程有限公司,重庆401121) [摘要]陆域范围钢箱梁安装难度是如何将钢箱梁运送到安装位置,对受到高潮差影响的河段钢箱梁滑移上岸方 案的制订和调整进行了简单阐述,并细化了钢箱梁滑移上岸的具体步骤,同时针对实施过程中存在的不足提出了 相应解决和优化处理措施,最终该项目安全、顺利滑移上岸24钢箱梁,滑移上岸的措施切实可行. [关键词]桥梁工程:斜拉桥;钢箱梁;滑移;施工技术 [中图分类号]U445.4[文献标识码]A [文章编号]1002-8498(2014)11-0049-04 Study on Slip Landing Technology of Steel Box Girder in Different Tidal Range River Lan Bin.2 (1.School of Ciril Engineering Architecture Chongging Jiaotong University Chongging 400074 China; 2.The 2nd Engineering Co.Lid.of CCCC Second Harbour Engineering Co.Lid.Chongging 401121 China) Abstract:The range of steel box girder landing installation difficulty is how box girder is delivered to the installation position the climax of the formulation and adjustment by differential effects of slip landing scheme of steel box girder is described and refinement of the specific steps of steel slip landing and this paper proposes the corresponding solution and optimization measures to solve the problems existing in the implementation process.Finally the slip landing process of 24 steel box girders is safe and smooth. Key words:bridges;cable stayed bridges steel box girders;slip;construction 1工程概况 水期洪峰流量对河床的塑造起重要作用. 如图1所示,某桥为跨径680m双塔双索面钢 闽江口潮型为规则半日潮.桥址处平均高潮 箱梁斜拉桥,主桥全长1280m 位于半径12000m的 位4.836m(罗零高程),平均低潮位0.681m(罗零 竖曲线上,两侧桥面纵坡2.85%,桥面宽28.7m 设 高程),平均潮差4.155m. 2%双向横坡.主桥为7跨连续结构,跨径组成为 2.2气象条件 (60901506801509060)m 边主跨比 工程...
高潮差河段钢箱梁滑移上岸工艺研究.pdf
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