菱形挂篮计算书(强)2————————————————————————————————作者：————————————————————————————————日期：目录一.概况..........................................................................................4二.设计依据...................................................................................4三.荷载..........................................................................................4四.挂篮施工时主要构件检算(施工1＃及5#块为控制工况)..........5（一）施工1＃时挂篮计算（3.25m节段）..................................51、底模平台纵梁检算................................................................52、箱梁翼缘纵梁计算................................................................63、箱梁顶板纵梁计算..............................................................074、底模平台前下横梁检算.......................................................085、底模平台后下横梁检算.......................................................086、底模平台前、后吊挂检算...................................................097、前上横梁检算.....................................................................098、主梁系统检算.....................................................................109、后锚固梁系统检算..............................................................12（二）施工3＃时挂篮计算（3.5m节段）..................................131、底模平台纵梁检算..............................................................132、箱梁翼缘纵梁计算..............................................................143、箱梁顶板纵梁计算..............................................................154、底模平台前下横梁检算.......................................................1615、底模平台后下横梁检算.......................................................176、底模平台前、后吊挂检算...................................................177、前上横梁检算.....................................................................188、主梁系统检算.....................................................................189、后锚固梁系统检算..............................................................21（三）施工6＃时挂篮计算（4m节段）.....................................211、底模平台纵梁检算..............................................................212、箱梁翼缘纵梁计算..............................................................233、箱梁顶板纵梁计算..............................................................234、底模平台前下横梁检算.......................................................245、底模平台后下横梁检算.......................................................246、底模平台前、后吊挂检算...................................................277、前上横梁检算.....................................................................278、主梁系统检算.....................................................................279、后锚固梁系统检算..............................................................302挂篮设计计算书一、概况××铁路工程第×项目经理部××特大桥×#～×#墩上部结构为（58+96+58）米三跨一联的预应力砼连续箱梁，主桥箱梁为单箱单室断面，箱顶板宽12.16m，底板宽6.8m。在各墩与箱梁相接的根部断面梁高7.5m，中跨合拢段梁高4.5米，边跨现浇段及合拢段高4.5米。墩顶0#梁段长12m，箱梁在与墩身对应的4m长范围内等梁高，两边各4m范围外则处于圆曲线线上。两个“T构”的悬臂纵桥向中跨划...
