怀集至阳江港高速公路怀集至郁南段一期工程TJ8合同段钻孔灌注桩专项施工方案编制:审核:审批:龙建路桥股份有限公司怀集至阳江港高速公路TJ8标项目经理部2017年7月目录第一章工程概况.........................................................................................................................1一、桥梁工程简介.......................................................................................................................2二、桥梁桩基概况.......................................................................................................................3第二章编制依据.........................................................................................................................3第三章施工技术方案.................................................................................................................4一、施工准备...............................................................................................................................4二、钻孔灌注桩施工...................................................................................................................4第四章桩基施工主要危险源及应对措施................................................................................11一、桩基施工事故的类型和原因..............................................................................................11二、桩基施工安全生产的对策..................................................................................................11第五章施工安全保证措施......................................................................................................14一、安全生产目标.....................................................................................................................14二、安全生产组织机构及职责分工..........................................................................................14三、钻孔灌注桩施工安全控制措施..........................................................................................26四、钻孔灌注桩施工中相关机械、人员安全操作规程..........................................................29第六章文明施工.......................................................................................................................41第七章安全应急预案.............................................................................................................42一、火灾事故应急处理.............................................................................................................42二、触电事故应急处理.............................................................................................................42三、高空坠落事故处理.............................................................................................................43四、高温中暑应急处理.............................................................................................................43钻孔灌注桩专项施工方案第一章工程概况一、桥梁工程简介本合同段共有4座大桥,分别为:欧村大桥、扶塘大桥、下江大桥、马欧大桥,桥梁概况如下:欧村大桥欧村大桥位于封开县杏花镇欧村附近。桥址区属丘陵地貌,地势较平缓,地面最大高差约20m,绝对高程在48.4-69.2m之间。两侧地表多为树木,植被较发育,中部均为农田。桥位处有省道S266及进村道路,交通便利。左幅中心桩号为K79+927.5,右幅桥梁起点桩号为K79+587.2,终点桩号为K80+242.8,右幅中心桩号为K79+915,桥梁全长643.1m(含耳墙)。根据...