目录一、编制依据---------------------------------------------------------------------------------------------------------------------2二、本合同段沟槽（基坑）概况---------------------------------------------------------------------------------------------2本合同段沟槽（基坑）三、施工计划---------------------------------------------------------------------------------------------------------------------33.1、施工进度计划：-----------------------------------------------------------------------------------------------------------33.1、施工设备及材料计划：--------------------------------------------------------------------------------------------------3四、施工方案拟定---------------------------------------------------------------------------------------------------------------34.1、采用明挖排水沟槽的开挖方案-----------------------------------------------------------------------------------------34.1.1、沟槽底宽确定----------------------------------------------------------------------------------------------------34.1.2、沟槽边坡确定----------------------------------------------------------------------------------------------------44.1.3、沟槽开挖断面示意图-------------------------------------------------------------------------------------------44.1.4、施工工序----------------------------------------------------------------------------------------------------------44.1.5、施工机械安排（每个施工段）-------------------------------------------------------------------------------54.2、桥涵明挖基坑施工方案--------------------------------------------------------------------------------------------------54.2.1、确定基坑坑底尺寸----------------------------------------------------------------------------------------------54.2.2、确定开挖坡度----------------------------------------------------------------------------------------------------54.2.3、基坑开挖尺寸示意图-------------------------------------------------------------------------------------------54.2.4、基坑开挖施工工序----------------------------------------------------------------------------------------------6五、工程质量保证措施-----------------------------------------------------------