CFG桩地基处理施工组织设计

门克庆煤矿综合办公楼、食堂、会议中心联合建筑工程CFG桩地基处理工程施工组织设计山西冶金岩土工程勘察总公司二〇一二年三月2工程名称：门克庆煤矿综合办公楼、食堂、会议中心联合建筑工程CFG桩工程提交单位：山西冶金岩土工程勘察总公司总经理：崔文志（高级工程师）总工程师：经明（教授级高工）报告编制：张明（工程师）审核：明俊杰（高级工程师）门克庆煤矿综合办公楼会议中心食堂联合建筑工程CFG桩工程施工组织设计@@@111222666...cccooommm···山山山西西西冶冶冶金金金岩岩岩土土土工工工程程程勘勘勘察察察总总总公公公司司司···000333555111---333555333000555888777···-1-目录一、工程概况及场地地质条件························································-3-1.1工程概况·················································································-3-1.2场地地层条件及水文地质条件·····················································-3-二、设计工作量及设计要求····························································-3-2.1设计工作量··············································································-4-2.2设计要求·················································································-4-2.3本工程采用的主要技术规范、规程···············································-4-三、施工总平面图···············································································-4-四、主要施工方法···············································································-4-五、项目班子配备···············································································-8-六、劳动力计划及安排·········································································-8-七、材料供应及安排············································································-9-八、机械设备的配置············································································-9-九、工期计划及保证工期的主要措施·······················································-9-9.1施工进度的安排········································································-9-9.2确保工期的组织措施·································································-9-9.3确保工期的技术措施································································-10-十、质量保证措施········································································-10-10.1质量目标··············································································-10-10.2工程质量标准········································································-10-10.3确保工程质量的组织措施·························································-11-10.4确保工程质量的技术措施·························································-11-10.5确保工程质量的管理措施·························································-13-10.6资料管理··············································································-13-十一、确保工程安全施工的技术措施············································-13-十二、确保文明施工的组织措施···················································-15-中天合创门克庆矿井选煤厂联合建筑CFG桩工程施工组织设计@@@111222666...cccooommm···山山山西西西冶冶冶金金金岩岩岩土土土工工工程程程勘勘勘察察察总总总公公公司司司···000333555111---333555333000555888777···-2-十三、环保、消防及防止噪音污染措施········································-15-13.1环保措施··············································································-15-13.2消防措施··············································································-15-13.3防止噪音污染措施··································································-15-中天合创门克庆矿井选煤厂联合建筑CFG桩工程施工组织设计@@@111222666...cccooommm···山山山西西西冶冶冶金金金岩岩岩土土土工工工程程程勘勘勘察察察总总总公公公司司司···000333555111---333555333000555888777···-3-一、工程概况及场地地质条件1.1工程概况本工程为中天合创门克庆煤矿救护队综合楼工程CFG桩工程，由北京中煤正辰建设有限公司施工总承包。拟建场地位于内蒙古鄂尔多斯市乌审旗图克镇，主要建筑物由办公楼、服务楼、食堂等附属设施组成。拟采用CFG桩进行地基处理，由山西冶金岩土工程勘察总公司进行施工。根据图纸内容，共设计CFG桩191根，桩径400mm，有效桩长10.0m，桩距1.5m，正三角形布置，桩身混凝土强度为C25，单桩承载力特征值不小于600KN，复合地基承载力特征值不小于250KPa。1.2场地地层条件及水文地质条件根据工程地质勘察报告，场地地层情况自上而下为：①细砂，灰黄色，厚度0.4m~10.5m，层底标高1299.05~1303.57m，fak=120kPa。②细砂，灰黄色，厚度0.8m~6.70m，层底标高1294.00~1302.06m，fak=150kPa。③细砂，灰色，厚度4.2m~30.5m，层底标高1267.53~1295.87m，fak=200kPa。④细砂，灰色，厚度2.0m~29.3m，层底标高1248.25~1288.25m，fak=220kPa。⑤细砂，灰色，厚度5.0m~18.1m，层底标高1246.60~1270.87m，fak=240kPa。⑥细砂，棕红~灰紫色，厚度2.7m~12.2m，层底标高1241.10~1249.92m，fak=350kPa。⑦细砂，棕红~灰紫色，最大揭露厚度8.60m，fak=700kPa。二、设计工作量及设计要求中天合创门克庆矿井选煤厂联合建筑CFG桩工程施工组织设计@@@111222666...cccooommm···山山山西西西冶冶冶金金金岩岩岩土土土工工工程程程勘勘勘察察察总总总公公公司司司···000333555111---333555333000555888777···-4-2.1设计工作量1、桩径400mm，有效桩长10m，虚桩0.6m，共计1451根，总延米15381.6m。2、材料用量：拟采用C25商品混凝土，理论用量1933m3。2.2设计要求1、单桩竖向承载力特征值Ra≥600KN；2、复合地基承载力特征值fspk≥250KPa。2.3本工程采用的主要技术规范、规程1、测量规范（GBJ50026-93）；2、《建筑地基基础工程施工质量验收规范》（GB50202-2002）；3、《建筑地基处理技术规范》（JGJ79-2002）4、《建筑工程施工质量验收统一标准》（GB50300-2001）5、《建筑桩基技术规程》（JGJ94-2008）施工所用的材料应符合国家有关的质量标准，应有生产许可证、质量检验证和出厂合格证。工程质量目标：合格。三、施工总平面图施工现场布置详见施工总平面图(见附件一)。四、主要施工方法根据工程地质条件和设计图纸要求，本工程采用CFG桩复合地基处理方案，采用长螺旋钻机成孔，压灌混凝土成桩工艺，混凝土采用商品砼。4.1CFG桩复合地基施工工艺流程图见(附件二）4.2主要施工设备配套详见《拟投入主要施工设备一览表》见(附件三）中天合创门克庆矿井选煤厂联合建筑CFG桩工程施工组织设计@@@111222666...cccooommm···山山山西西西冶冶冶金金金岩岩岩土土土工工工程程程勘勘勘察察察总总总公公公司司司···000333555111---333555333000555888777···-5-4.3施工组织机构详见《施工组织机构图》见(附件四）4.4施工准备4.4.1技术准备组织技术人员熟悉图纸、地层及有关资料，通过图纸会审掌握设计及施工要求，认真研究工程各轴线及桩位位置关系，掌握基准点数据资料，制定放线定位方案和措施，报监理审查批准。4.4.2材料准备在建设单位、监理工程师和总包方的指导监督下，确定材料供应厂家，及时对原材料取样复验，按有关规定存放、保存。由于工期紧，混凝土选用C25商砼。4.4.3平整场地、水电安装及设备安装调试A做好施工场地的平整，满足放线、设备安装及施工要求。B做好场地施工、生活用水用电的安装，布置工作，符合文明施工要求。C提前做好现场设备的维护、保养工作，保证施工设备完好齐备，及时安装试车，保证正常生产施工需要。设备安装试车正常后请监理公司检查，并填写设备进场报验单。4.5施工工艺本工程采用CFG桩复合地基