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进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司1目录1.1编制说明····························································11.2编制依据····························································12工程概况······························································12.1工程概况····························································12.2设计工作量·························································22.3工程地质、水文地质条件·······································33总体施工安排························································63.1总体施工安排······················································63.2施工进度计划······················································63.3施工顺序安排······················································74项目组织部属························································84.1组织机构设置······················································84.2主要组织管理措施···············································104.3施工设备投入计划···············································114.4材料需用量计划··················································124.5施工人员计划·····················································124.6施工现场布置·····················································124.6.1施工临时用电···············································124.6.2施工场地准备···············································125锤击桩施工技术····················································13进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司25.1现场测量放线定位···············································135.1.1测量方案·························································135.1.2监测方案·························································135.2桩机就位···························································145.3桩的验收、焊桩尖、起吊、搬运和堆放····················145.4沉桩的顺序及工艺流程·········································165.5混凝土封底························································195.6送桩、接桩························································195.7中间验收及竣工验收············································196质量保证措施·······················································206.1质量目标···························································206.2工程质量保证体系···············································206.3质量保证措施·····················································216.4原材料管理措施··················································226.4.1材料标识管理···············································237进度计划·····························································237.1进度计划编制说明···············································237.2锤击管桩进度计划···············································237.3进度计划的实施与管理·········································247.4工程进度保证措施···············································248安全生产·····························································25进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司38.1安全管理目标·····················································258.2安全管理体系·····················································258.3安全管理措施·····················································26进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司11编制说明1.1编制说明为了优质、高效、安全、按期完成本工程施工任务，特编制本施工方案，用于指导本工程的施工。施工方案的编制严格按照设计图纸的要求，国家及地方的有关规范和要求，在考虑了本工程的特点，施工难点之后，结合我司的施工经验及施工能力，编制完成本施工方案。施工期间，我司将充分发挥我司技术和管理优势，以完善的组织机构，严格的岗位责任制，科学严谨的工作作风，对投入本工程的人力、物力、技术进行优化配置，确保在合同工期内高质量地完成施工合同中所规定的全部工程任务。1.2编制依据一、根据提供的《施工图纸》、《岩土工程勘察报告》和设计要求。二、参照的规程、规范如下：⑴《建筑桩基技术规范》（JGJ94-2008）⑵《建筑工程施工质量验收统一标准》（GB50300-2001）⑶《建筑地基基础设计规范》（GB50007-2011）⑷《建筑地基基础工程施工质量验收规范》GB50202-2002）⑸《混凝土结构工程施工质量验收规范》（GB50204-2002）⑹《建筑基桩检测技术规范》（JGJ106-2003）⑺《预应力混凝土管桩》（10SG409）2工程概况2.1工程概况拟建的进贤县城投·塘湾安置房住宅小区工程位于南昌市进贤县青岚新区内，南侧邻已建的滨湖大道，规划的贤士一路西侧、贤士二路东侧地块。项目总建筑面积95006.08m2，规划用地面积35567.20m2；本工程拟建建筑有15F高层建筑两幢（16#、17#楼），最大荷载约6250KN、11F小高层建筑五幢（1#、6#、10#、12#、14#楼）,最大荷载约4500KN，多层七幢（2#、4#、5#、9#、11#、13#、15#）最大荷载约3300KN(3#、7#、8#为柱下独立进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司2基础)，岩土工程勘察单位为江西省物化探地质工程勘察院，设计单位为华诚博远（北京）建筑规划设计有限公司。设计要求1、室内标高±0.000相当于绝对标高值为27.08～28.50米，2、本工程用桩为端承摩擦型桩，桩端持力层为全风化泥质粉砂岩。3、本工程高层采用PHC-AB500（100）高强预应力管桩;地下室工程采用PHC-AB400（95）高强预应力管桩，多层采用PHC-AB400(500)95高强预应力管桩。4、沉桩时应按最后贯入度及最后1米沉桩锤击数（不超过30mm）进行控制。2.2设计工作量栋号桩类型桩数(根)桩型桩顶设计标高暂定桩长1#主楼工程桩89PHCAB40095见图纸约14-2243PHCAB5001006#主楼工程桩65PHCAB40095见图纸约14-2266PHCAB50010012#主楼工程桩71PHCAB40095见图纸约14-2256PHCAB50010014#主楼工程桩63PHCAB40095见图纸约14-2264PHCAB50010016#主楼工程桩43PHCAB40095见图纸约14-22211PHCAB50010017#主楼工程桩15PHCAB40095见图纸约14-22108PHCAB500100进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司32#楼工程桩见图纸约14-224#楼工程桩见图纸约14-225#楼工程桩见图纸约14-229#楼工程桩见图纸约14-2210#楼工程桩见图纸约14-2211#楼工程桩见图纸约14-2213#楼工程桩见图纸约14-2215#楼工程桩见图纸约14-22地下室工程桩157PHCAB40095见图纸约14-22150PHCAB5001002.3工程地质、水文地质条件2.3.1场地工程地质条件根据本工程地质资料，在勘探深度范围内，主要有第四系更新统残坡积层（Q2el），岩性为粉质粘土，近地表为素填土（Q4）、淤填土（Q4），下伏基岩主要为石炭系下统华山岭组泥质粉砂岩（C1h），西南地段局部揭露进贤县塘湾村安置房锤击预应力管桩施工方案南昌市第八建筑工程公司4砂砾岩（C1h）。据其岩性及工程地质特征，共划分5个工程地质层，自上而下分述如下：1．素填土（Q4）（编号①-1）红褐、灰黄、灰褐色，松散，主要成份为粘土、砂，局部含植物根系，为新近堆积，部分地段欠压实。全场地分布，层厚0.20～7.00米，层面高程26.23～29.54米。2.淤填土（Q4）（编号①-2）灰、深灰色，松软，主要成分为粘粒、粉粒，干强度低，韧性低，局部含有机质，为塘底淤填土。仅在第ZK40，ZK42，ZK43，ZK44，ZK45号孔一带可见，层厚1.00～3.50米，层面高程20.76～23.22米。3.粉质粘土（Q2el）（编号②）灰黄、红黄、红褐、褐黄、浅灰色，硬塑状态为主，局部呈可塑状态，主要成份为粘粒、粉粒，稍有光泽，摇振反应无，干强度中等，韧性中等，局部含砂质、铁锰质氧化斑点及结核。仅ZK75、ZK114号孔缺失，层厚0.50～9.40米，层面高程18.73～28.20米。4．全风化泥质粉砂岩（C1h）（编号③-1）褐红、棕红、紫红、灰白色，原岩结构基本被破坏，矿物成份完全变化，风化强烈，局部见铁锰质氧