孟加拉帕德玛多用途桥梁公路引桥盖梁施工方案

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1、孟加拉帕德玛多用途桥梁公路引桥墩身盖梁施工方案编制：复核：审批：中铁大桥局股份有限公司孟加拉帕德玛大桥项目经理部2017年32017年5月目录1方案概述12施工工艺流程42.1施工工艺流程43施工方法53.1搭设盖梁支架53.1.1垫梁安装53.1.2钢管立柱安装53.1.3分配梁、垫块安装63.2铺设盖梁底模63.3盖梁钢筋安装63.4侧模安装103.5混凝土浇筑113.6模板拆除113.7拆除支架113.8养护124质量控制措施、安全保障措施、职业健康与文明施工124.1质量控制措施124.2安全保障措施134.2职业健康与文明施工131.1方案概述帕德玛公路引桥Mawa侧

2、共有35个桥墩，Janjira侧共有38个桥墩，盖梁共有73个。盖梁纵桥向宽度为3.7m和3.2m两种。有南北整体式盖梁和南北分离式盖梁。盖梁顶底面均设置纵横坡，坡度与桥梁纵横坡相同，盖梁纵横坡有多种样式。盖梁横桥向长度根据桥梁平面线形及桥梁宽度不同而不同，并且相对墩身成非对称结构。盖梁参数表（详见表1.1）表1.1引桥墩身参数盖梁参数表序号位置墩号墩身类型盖梁参数是否需要预应力长1（m）长2（m）宽（m）高（m）横坡(%)1Mawa侧N1D5.35.33.21.73-2.26NO2N2D5.35.33.21.73-3NO3N3D5.35.33.21.73-3NO4N4E15.

3、35.33.72.035-3NO5N5D5.35.33.21.73-3NO6N6D5.35.33.21.73-3NO7N7D5.35.33.21.73-3NO8N8D5.35.33.21.73-3NO9N9D5.35.33.21.73-3NO10N10E15.35.33.72.035-3NO11N11D5.35.33.21.73-3NO12N12D5.35.33.21.73-3NO13N13D5.35.33.21.73-3NO14N14B7.213.393.21.73-3YES15N15B7.213.393.21.73-3YES16N16B7.213.393.21.73-3YE

4、S17N17-NA7.2353.393.21.73-3NO18N18-NA7.2353.393.21.73-3NO19JanjIra侧N19-NA7.13.5253.21.73-3NO20N20-NA7.13.5253.21.73-3NO21N21-NA7.13.5253.21.73-3NO22N22-NA7.13.5253.21.73-3NO23N23B7.0753.5253.21.73-3YES24N24D5.35.33.21.73-3NO25N25D5.35.33.21.73-3NO26N26D5.35.33.21.73-3NO27N27E15.35.33.72.035-

5、3NO位墩号盖梁参数17序号置墩身类型是否需要预应力长1（m）长2（m）宽（m）高（m）横坡(%)28JanjIra侧N28D5.35.33.21.73-3NO29N29D5.35.33.21.73-3NO30N30D5.35.33.21.73-3NO31N31D5.35.33.21.73-3NO32N32D5.35.33.21.73-3NO33N33D5.35.33.21.73-3NO34N34D5.35.33.21.73-3NO35N35E15.35.33.72.035-3NO36N36D5.35.33.21.73-3NO37N37D5.35.33.21.73-3NO38N

6、38D5.35.33.21.73-3NO39N39D5.35.33.21.73-3NO40N40D6.726.7253.21.73-3YES41Mawa侧S1C6.056.053.21.733YES42S2C6.056.053.21.733YES43S3C6.056.053.21.733YES44S4C6.056.053.21.733YES45S5E26.056.053.72.0353YES46S6C6.056.053.21.733YES47S7C6.056.053.21.733YES48S8C6.056.053.21.733YES49S9C5.5795.6753.21.731

7、.28YES50S10C5.35.33.21.73-1.98YES51S11E25.35.33.72.035-3NO52S12C5.35.33.21.73-3NO53S13C5.35.33.21.73-3NO54S14C5.35.33.21.73-3NO55S15C5.35.33.21.73-3NO56S16C5.35.33.21.73-3NO57S17C5.35.33.21.73-3NO58N17-SA5.3255.3163.21.73-3NO59N18-SA6.9053.1823.21.