沪昆铁路长昆段CKTJⅨ标段田家坪舞水特大桥双壁钢围堰施工方案中铁十四局集团有限公司二O一一年六月目录1工程概况.......................................................................................................11.1主体工程.............................................................................................................................................11.2水文资料.............................................................................................................................................11.3地质资料.............................................................................................................................................11.4工程特点及难点.................................................................................................................................12双壁钢围堰设计.............................................................................................22.1双壁钢围堰设计思路.........................................................................................................................22.2相关设计参数.....................................................................................................................................22.3双壁钢围堰结构设计.........................................................................................................................33双壁钢围堰施工方案......................................................................................53.1双壁钢围堰总体施工方案概述.........................................................................................................53.2双壁钢围堰制作.................................................................................................................................73.3底节双壁钢围堰拼装、下水.............................................................................................................83.4双壁钢围临时锚固、接高...............................................................................................................123.5双壁钢围堰浮运...............................................................................................................................143.6双壁钢围堰再次接高.......................................................................................................................153.7钢围堰下沉定位...............................................................................................................................153.8搭设钢平台、安放钢护筒...............................................................................................................163.9钢围堰内清理...................................................................................................................................173.10灌注封底砼.....................................................................................................................................173.11壁内填充.........................................................................................................................................183.12钻孔桩施工.....................................................................................................................................193.13承台、墩身施工...........................................................................................................................
