下载后可任意编辑预制箱涵安装首件施工方案12024 年 4 月 19 日下载后可任意编辑目录一、编制依据............................................................................................1二、首件制的实施原则和目的..............................................................2三、工程概况...........................................................................................2四、施工准备...........................................................................................41、人员配置.......................................................................................42、机械设备配置..............................................................................43、原材料准备...................................................................................54、技术准备.......................................................................................5五、预制钢筋砼箱型涵洞施工方案......................................................51、施工工艺流程图...........................................................................612024 年 4 月 19 日下载后可任意编辑2、测量放样.......................................................................................63、基坑开挖、排水及检验..............................................................64、砂砾或碎石垫层施工..................................................................85、底基层施工...................................................................................86、预制箱涵节段及预制八字墙运输............................................107、预制箱涵节段及预制八字墙吊装............................................108、箱涵预制节段的现浇底板施工................................................129、洞口铺砌（含隔水墙）............................................................1510、箱涵防水施工...........................................................................15六、质量检验.........................................................................................16七、质量保证措施.......
