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中建股份渝黔铁路土建9标项目经理部路基桩板墙专项施工方案-1-目录第一章编制依据、原则、范围·················································································-1-一、编制依据····································································································-1-二、编制原则····································································································-1-三、适用范围····································································································-1-第二章工程概况···································································································-2-一、工程地质条件····························································································-2-二、水文气象特征····························································································-2-三、设计概况··································································································-3-四、技术概况··································································································-4-第三章施工方案···································································································-4-一、施工准备··································································································-4-二、施工工艺及质量控制流程··············································································-5-三、施工工艺和主要技术措施··············································································-5-第四章施工监测··································································································-11-第五章人员、机具及劳力配置················································································-12-第六章安全防护措施····························································································-12-第七章应急预案··································································································-13-一、安全事故应急体系·····················································································-13-二、安全事故紧急处理预备措施·········································································-16-第八章工程质量保证措施······················································································-17-第九章安全保证措施····························································································-18-一、安全技术措施··························································································-18-二、机械设备安全技术措施···············································································-19-三、其他安全措施··························································································-20-第十章施工环保、水土保持措施·············································································-21-一、施工环保目标··························································································-21-二、水环境保护措施························································································-21-三、噪声环境保护措施·····················································································-21-四、大气环境保护措施·····················································································-22-五、固体废弃物处理措施··················································································-22-中建股份渝黔铁路土建9标项目经理部路基桩板墙专项施工方案-1-第一章编制依据、原则、范围一、编制依据（1）《铁路路基工程施工质量验收标准》（2）《铁路混凝土与砌体工程施工质量验收标准》（3）《路基工程设计与施工图集》（4）《铁路路基设计规范》（5）《新建时速200公里客货共线铁路工程施工质量验收暂行标准》铁建设【2004】8号（6）《铁路混凝土结构耐久性设计规范》（7）《铁路路基支挡结构设计规范》（8）《铁路混凝土工程施工质量验收标准》TB10424-2010（9）《渝黔铁路标准化管理文件汇编》（10）渝黔铁路扩能改造工程站前工程文件及设计图纸二、编制原则（1）认真贯彻国家《建设工程质量管理条例》以及铁道部、建设单位关于铁路基本建设的法令、法规和管理办法。（2）根据渝黔土建9标路基工程的特点，本着精心组织、科学安排、加强管理、突出重点、保证安全质量、确保工期、合理投入、安全文明的原则，编制路基桩板墙安全专项施工方案，以指导本管段内路基桩板墙施工。（3）严格执行铁道部关于铁路工程施工技术指南、安全操作规程和质量验收标准。三、适用范围中建股份渝黔铁路土建9标路基桩板墙施工。中建股份渝黔铁路土建9标项目经理部路基桩板墙专项施工方案-2-第二章工程概况一、工程地质条件1、地层岩性沿线地层除泥盆系、白垩系外，自第四系至震旦系地层均有出露，尤其以古生界、中生界地层广泛分布。本段相继为古生界、中生界灰岩、白云岩、泥灰岩间夹泥页岩地层，其中上三叠统、上二叠统、下二叠统地层含煤层；第四系松散地层分布于沿线基岩之上。2、地质构造线路通过地区构造十分复杂，处于川黔南北向构造带及北东向构造带交接复合部位，线路多平行于构造线，顺层现象比较普遍。3、不良地质及特殊岩土沿线各种不良地质发育齐全，其中岩溶、压矿和采空区、顺层分布范围广，是本线最为复杂、对工程影响最大的不良地质，其次为重力不良地质及有害气体。沿线山高坡陡、沟谷深切，岩体构造节理发育、较为破碎，分布有大小不一的古滑坡、崩塌、危岩落石及软质岩体风化剥落，其中滑坡主要分布在泥页岩互层或灰岩夹泥岩、页岩地段，其次为土质滑坡。沿线特殊岩土主要有膨胀土、红粘土、软土及松软土。二、水文气象特征1、水文特征沿线地下水主要有第四系孔隙水、岩溶裂隙水。第四系孔隙水主要赋存于第四系松散层中；岩溶裂隙水主要赋存于碳酸盐地段，水量较丰富但分布不均匀，受岩溶发育形态及程度控制。多数地下水无侵蚀性，但煤系地层、含石膏地层、含岩溶角砾岩地层、炭质页岩地层中的岩溶裂隙水存在碳酸盐侵蚀，侵蚀等级为H2～H3。2、气象特征沿线气候为亚热热带季风性湿润气候，直接承受印度洋及太平洋水汽中建股份渝黔铁路土建9标项目经理部路基桩板墙专项施工方案-3-补充。具有温和湿润的特征，干湿季节比较分明，除夏季外，各月可能出现大于20℃的最大温差。雨季一般开始于4月中下旬，结束于10月中下旬，降水主要集中在每年夏季5～8月。多年平均气温15.3°C，极端最低气温-7.8°C，极端最高气温37.5°C，年最大降雨量1134.8mm，年平均蒸发量1239.4mm，历年平均风速1.1～2m/s，最大结雪深度在22cm。三、设计概况中建股份渝黔铁路YQZQ-9标管段起讫里程为DK183+035.863～DK239+355.98，正线长度56.32公里。桩板墙设计里程段及数量如下表：里程锚固桩（根）桩板（根）线路左/右DK191+809.05～DK191+912.5518231右DK193+171.6～DK193+285.620297左DK193+335.35～DK193+504.8529245右GQDK0+238～GQDK0+251.5332右GQDK0+363.25～GQDK0+640.6132617右GQDK0+531～GQDK0+634.518266左GQDK0+531场坪端部777D1K251+726.165～D1K251+931.05529220左D1K256+041.52～D1K256+172.1314187左D1K258+995.26～D1K259+062.7612141右D1K262.061.12～D1K262+19318238右D1K264+549～D1K264+597.38667左D1K284+002～D1K284+108.92518226左中建股份渝黔铁路土建9标项目经理部路基桩板墙专项施工方案-4-四、技术概况桩板式挡土墙由锚固桩和挡土板组成，它是以锚固桩为主体，挡土板相辅的结构形式。按弹性理论和悬臂梁的计算方法进行设计，依靠单桩深层锚固及挡