3、寸拟定;选取计算结构简图;恒载内力计算;活载内力计算;荷载组合;配筋计算;预应力损失计算;截面强度验算;截面应力及变形验算;施工图设计。设计软件用midascivil。关键词:简支连续;设计计算;施工图;公路桥宁道高速公路瓢勺洞大桥施工图设计THE DESIGN FOR THENINGDAOOFPIAOSHAODONG BRIDGEABSTRACTTherapiddevelopmentoffreewaybridgeconstructionrequirementsalongmuchfaster.Requirementsofhigh-speedtrafficbridgehasgoodmec