溶洞处理专项施工方案.doc

文档介绍：.XXX标段溶洞处理专项施工方案编制:审核:审批:XXX公司铁路工程指挥部第二项目部XXX日月年201....目录第一章、溶洞处理专项施工方案.............................................1一、编制依据、目的及适用范围.........................................1二、编制目的及适用范围...............................................1第二章、工程概况及地质情况...............................................1一、工程概况.........................................................2二、溶洞分布情况.....................................................2二、工程地质情况概述.................................................4第三章、溶洞桩施工的主要施工方法及流程...................................5一、方案一(回填)...................................................6二、方案二(长钢护筒+回填)..........................................8第四章施工中常见问题的处理.............................................11一、漏浆、塌孔......................................................12二、斜孔............................................................12三、卡钻、掉钻、埋钻................................................12四、筋笼被卡........................................................13五、混凝土严重超灌..................................................13六、其它............................................................13第五章、溶洞处理方案选择、工作流程及处理溶洞工程量的确认................13一、方案选择........................................................13二、工作流程........................................................14三、工程量确认......................................................14第六章、注意事项........................................................14一、安全注意事项....................................................14二、质量注意事项....................................................15三、装吊护筒加工时注意事项..........................................15四、护筒施工质量注意事项............................................15第七章、安全保证措施....................................................16..一、安全保障制度....................................................16二、吊装过程安全控制措施............................................17第八章、文明施工保证措施................................................19一、文明施工目标....................................................19二、施工现场材料管理..............................................