目录一、编制依据.........................................................................................3二、工程概况........................................................................................3（一）概况简要....................................................................................................................3（二）水文、地质条件........................................................................................................4（三）进出口洞口边坡稳定性评价.....................................................................................5（四）主要工程量................................................................................................................6三、人员及机械配备............................................................................6四、施工进度计划................................................................................7五、施工准备........................................................................................7（一）施工便道..................................................................................................................7（二）施工用电..................................................................................................................7（三）施工用水..................................................................................................................7六、施工方案........................................................................................8（一）洞口工程施工的特点和难点...................................................................................8（二）施工顺序..................................................................................................................8（三）洞顶截水沟施工......................................................................................................9（四）明洞开挖..................................................................................................................9（五）边坡、...
