目 录一、工程概况..................................................................................................................................21、通涵结构形式及数量.................................................................................................................22、通涵采用材料............................................................................................................................3二、地质条件..................................................................................................................................3三、 施工方案................................................................................................................................31、施工方案编制依据.....................................................................................................................32、施工准备工作............................................................................................................................4四、主要施工工艺及技术要求.......................................................................................................4（一）圆管涵施工工艺及技术要求...............................................................................................41、沟槽开挖....................................................................................................................................42、预制管进货及检验.....................................................................................................................53、管节安装与铺设........................................................................................................................54、管节接头处理............................................................................................................................55、涵洞出入口及涵洞回填.............................................................................................................6（二）盖板涵及盖板、拱型通道施工工艺及技术要求...................
