岭后大桥桩基施工方案VIP免费

广东省潮州至惠州高速公路TJ1标桩基施工方案目录1编制依据................................................12工程概况................................................12.1、桥位自然情况及工程概况...............................12.1.1、地理位置、地形地貌.................................12.1.2、地质、水文及地震烈度...............................12.1.3、气象...............................................52.1.4、建设条件...........................................52.2、主要技术指标：.......................................52.3、桥梁设计要点：.......................................63施工组织................................................63.1项目组织结构..........................................63.2机械设备..............................................73.3劳动力组织............................................84施工计划................................................95施工工艺及方案..........................................95.1施工工艺流程..........................................95.2施工方案..............................................95.2.1施工准备...........................................105.2.2埋设护筒...........................................105.2.3钻机就位...........................................105.2.4泥浆配制...........................................10广东冠粤·中国中铁第1页诚信和谐求知创新广东省潮州至惠州高速公路TJ1标桩基施工方案5.2.5钻进施工...........................................115.2.6检孔...............................................115.2.7清孔...............................................115.2.8钢筋笼制作与吊装...................................125.2.9声测管.............................................135.2.10导管安装..........................................135.2.11二次清孔..........................................145.2.12灌注水下混凝土....................................146、施工常见问题预防及处理................................176.1坍孔.................................................176.2钻孔偏斜弯曲时.......................................186.3钻孔漏水.............................................186.4灌注水下砼常见问题及处理措施.........................187质量保证...............................................197.1质量保证组织机构及职责...............................197.2质量保证体系图.......................................217.3质量保证措施.........................................227.3.1钢筋质量保证措施...................................227.3.2混凝土的质量保证措施...............................227.3.3水下混凝土的灌注质量保证措施.......................227.3.4防止钢筋笼上浮的措施...............................237.3.5钻孔桩施工过程中质量保证措施.......................24广东冠粤·中国中铁第2页诚信和谐求知创新广东省潮州至惠州高速公路TJ1标桩基施工方案8安全保证...............................................258.1组织机构及职责.......................................258.2安全保证体系图.......................................278.3确定安全生产目标和安全防范要点.......................288.4建立安全生产体系.....................................308.5主要安全技术措施.....................................319环境保护...............................................329.1环保管理组织机构及职责...............................329.3机具、材料管理.......................................359.4施工环境管理.........................................3510冬季、雨季、热期施工措施....................