桥梁T梁预制及架桥机安装工艺目录一、T梁预制...................................................................................................................................2(1)预制场场地布置...................................................................................................................2(2)施工工艺流程.......................................................................................................................2(3)台座数量..............................................................................................................................3(4)T梁预制时间计划................................................................................................................3(5)台座设计..............................................................................................................................3(6)模板工程..............................................................................................................................5(7)钢筋工程............................................................................................................................10(8)混凝土工程........................................................................................................................11(9)预应力工程........................................................................................................................12(10)起梁、移梁及存梁...........................................................................................................16二、T梁安装...................................................................................................................................18(1)单导梁架桥机架梁施工方法.............................................................................................18(2)架桥机跨孔施工方案.........................................................................................................18(3)T梁纵向就位......................................................................................................................19(4)架桥机横移、落梁就位、加固.........................................................................................20三、架桥机回位..............................................................................................................................20(1)架桥机安装时要注意以下问题:.....................................................................................20(2)架桥机纵横移动.................................................................................................................21(3)预制梁转运.........................................................................................................................22(4)预制梁安装.........................................................................................................................22桥梁T梁预制及架桥机安装工艺一、T梁预制T梁单独预制、简支安装,现浇连续接头,先简支后结构连续。T梁预应力钢束采用fpk=1860Mpa高强度低松驰钢绞线,其规格为Øs15.20mm,张拉控制应力σcon=0.75fpk,混凝土强度等级为C50。T梁预制方案如下:(1)预制场场地布置T梁预制场地内设置2台100t龙门吊用于T梁存放及提梁,2台10t龙门吊用于T梁预制过程中的钢筋安装、模板安装。(2)施工工艺流程采用半成品成型钢筋,现场使用胎摸绑扎钢筋骨架,靠模工艺,混凝土料斗分层布料,附着式与插入式相结合...