昆明东绕城高速公路2015年桥梁安全隐患应急处治工程—阿拉立交桥灌缝分项工程施工组织设计单位:中交路桥技术有限公司日期:2015-12阿拉立交桥灌注裂缝分项工程施工组织设计2015年12月目录1工程概况............................................................................................................21.1桥梁概述........................................................................................................................21.2工程量复核....................................................................................................................22主要施工方法和步骤........................................................................................32.1主要施工方法................................................................................................................32.2主要施工步骤................................................................................................................32.3施工工艺........................................................................................................................43机械设备、人员的安排....................................................................................63.1施工人员配备................................................................................................................63.2机械设备配备................................................................................................................64施工进度安排及工期保证措施........................................................................74.1施工进度安排................................................................................................................74.2工期保证措施................................................................................................................75工程质量保证措施............................................................................................96施工安全保证措施..........................................................................................106.1安全保证体系..............................................................................................................106.2各项安全措施..............................................................................................................107文明施工及环境保护保证措施......................................................................127.1文明施工......................................................................................................................127.2环境保护......................................................................................................................12第PAGE1页/共13页阿拉立交桥灌注裂缝分项工程施工组织设计2015年12月1工程概况1.1桥梁概述阿拉立交桥位于昆明东绕城高速公路直线段上,中心桩号为K16+628.6。桥梁分为左、右两幅,全长均为337.2m,左幅共分为4联,跨径布置为(15m+27.7m+15m)+(3×20m+19.99m)+(23.31m+4×23.3m)+(4×20m);右幅共分为4联,跨径布置为(25m+27.7m+25m)+(4×24.125m)+(4×20m)+(4×20m)。单幅桥面全宽均为16.5m,横向布置为0.45m(外侧防撞护栏)+15.6m(行车道)+0.45m(内侧防撞护栏)。桥梁上部结构采用预应力混凝土连续箱梁,梁高1.5m,横截面为单箱三室截面,直腹板,悬臂长度为2.41m。桥梁下部结构桥墩采用双柱式及三柱式桥墩,下设钻孔灌注桩基础。桥台采用肋板式轻型桥台,基础采用双排钻孔灌注桩。桥梁支座采用盆式橡胶支座。该桥桥面铺装采用8cm厚水泥混凝土+4cm厚沥青混凝土;全...