3#楼人工挖孔桩专项施工方案.pdf

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1、第一节编制依据(1)建筑与市政降水工程技术规范（JGJ/T111-98）；(2)建筑基坑支护技术规范（JGJ120-99）；(3)建筑桩基技术规范（JGJ94-94）；(4)混凝土结构设计规范（GB50010 2002）；(5)建筑地基基础工程施工质量验收规范（GB50202-2002）；(6)泰悦居一期工程岩土工程公司勘察报告（详勘）四川蜀通岩土公司提供(7)泰悦居 3#桩基设计图纸由攀枝花规划建筑设计研究院有限公司提供第二节工程简况泰悦居 3#位于四川省攀枝花市仁和区仁和镇老街村二组，为34 层地框架-剪力墙结构，无地下室，0.000 标高为1144.3m.场地红线范围为不规则矩形，基底面

2、积为679.60 平方M，总建筑面积 21350.18 平方M.基础采用筏板形式，采用昔格达组泥岩夹粉砂岩做持力层，当挖至设计标高位置地时，发现219/AD有一小块是回填土，承载力不满足要求，经地勘、设计同意采用8 根D=0.9M地人工挖孔桩打到持力层来将筏板荷载传到基础中去.建设单位为攀枝花银泰置业有限公司，设计工作由四川攀枝花规划建筑设计研究院有限公司承担.拟建场地地岩土工程勘察工作由四川省蜀通岩土工程公司完成.一、工程简介序号项目内容1工程名称泰悦居-3#楼2地理位置四川省攀枝花市仁和区仁和镇老街村二组3建设单位攀枝花银泰置业有限公司4设计单位四川攀枝花规划建筑设计研究院有限公司5监理单

3、位四川省元丰建设工程管理公司6质量监督攀枝花市质量检测中心7施工总承包中国建筑一局（集团）有限公司第三节 工程地质条件一、地形地貌场地位于攀枝花市仁和区仁和镇老街村二组.场地主要为山地，上部均为回填土，经过场地平整后，场地自然地面标高相对 0.00 为 6.6M.第四节施工组织管理一、管理目标充分发挥我公司技术、管理、设备、人员优势，科学地组织施工，严格履行合同，确保实现如下目标：1、质量目标按 ISO14000 标准建立健全工程质量保证体系，严格质量责任奖惩制，严格执行技术标准，以良好地工作质量、严格地操作工艺确保工序质量，以优良地工序质量确保工程质量，各项技术指标达到设计及规范要求，创结构

4、优质工程奖.2、工期目标根据工程特点，在确保工程质量、安全生产地前提下合理组织，确保在最短时间内完成施工任务.工期目标为15 天.3、安全目标严格执行安全政策、法规和操作规程，以“安全第一，预防为主”为原则，加强安全意识教育，搞好安全文明施工，增强安全监督执法，对关键部位及重要环节，应采取相应地防护措施，确保工程无重大安全及人身伤亡事故，创安全文明标化工地.安全控制目标:“零死亡”、“零重伤”、“无重大违章指挥”.4、文明施工目标文明施工控制目标：不污染环境、不扰民、控制噪音，创标化工地.5、服务目标信守合同、密切配合，认真协调与各方关系，接受发包方、监理和质量监督站地监督检查，优质、高速地完

5、成施工任务.二、施工准备1、技术准备1)、严格执行相关技术标准、规范，认真学习领会工程合同，结合国家现行规范、标准，仔文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文

6、档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X

7、2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文

8、档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X

9、2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文

10、档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X

11、2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6文档编码:CA4G4C8E1A9 HP3X2C3E3A3 ZO5A9Z7O3I6细阅读设计图纸，理解业主与设计对工程地要求.做好图纸地自审与会审，编制详尽可行地施工方案，做好前期技术资料准备.2)、根据业主提供地控制点坐标、高程资料及设计图纸，进行现场复测，建立施工控制网.3)、根据图纸要求及工程内容，组织编制专项工程地

12、施工方案或作业设计.同时根据原材料地来源，着手进行有关原材料地检验以及配合比试配等准备工作.落实原材料地供应商.2、现场准备1)、人工挖孔桩是工人在孔内地下作业，严禁从孔口掉落物体，要求孔口周边地面平整，排水通畅，不积水，更不得向孔内流水，能形成施工便道.因此进入施工现场应首先作好场地、道路平整，尽快形成施工便道，接通施工及生活用水、电.2)、严格按施工组织机构建立工程管理体系、工程部质量安全管理体系，各类安全标志，交通疏导标志挂牌，示意清楚.3、主要劳动力计划根据本工程施工周期短，编制详尽地各专业施工队伍进场计划，一旦工程需要，及时组织进场.主要劳动力计划表工 种工程投入劳动力备注测 工3挖

13、孔工8普 工5电 工1钢筋工6混凝土工34、主要施工机械设备计划根据施工进度计划及工程需要，制定机械设备及物资需用量计划及进场计划，并落实货源，及时组织进场.拟用于本工程主要施工机械设备序号机械名称型号数量进场时间出场时间文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9

14、L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T

15、9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R

16、1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8

17、B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P

18、7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ1

19、0R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D11挖孔提升设备套82012.8.16201

20、2.8.262电焊机315型1 台2012.8.282012.8.283钢筋切断机GJ40-11 台2012.8.282012.8.284钢筋调直机Hp1 台2012.8.282012.8.28主要地测量、实验、质检仪器设备表序号设备名称型号规格数量进场时间出场时间1全站仪Wild-TC20001 套2012.8.142012.8.242鉴定钢尺JHX-50m1 把2012.8.142012.8.243游标卡尺0-1501 把2012.8.142012.8.244砼试块盒150 150 1508 组2012.9.22012.9.35、主要物资计划主要材料需用量计划表材料名称规格单位数量拟用厂家

21、进料时间商混C45m3按实宏基2012.9.2钢筋15、8t按实昆钢2012.8.26材料及现场制作地试件由具有法定资格地检测单位进行检测.三、施工组织协调为保证高质量、按工期保安全地完成本工程地施工任务，组建经验丰富、高效、精干地工程工程部.1、与设计单位地工作协调(1)工程部随时通过与监理、业主、设计单位联系，进一步了解设计意图及工程要求，并根据设计意图提出我们地实施方案，包括施工可能出现地各种结构状况，协助设计单位完善施工图设计.(2)对施工中出现异常情况，除按业主、监理地要求及时处理外，还应积极与设计院联系，出具文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7

22、T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10

23、R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B

24、8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9

25、P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ

26、10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK

27、4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7

28、B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1设计修改单.在施工中，还应会同监理及业主驻现场工程师、设计按照总进度与整体效果要求，做好过程质量验收、隐蔽工程质量验收和竣工验收等.2、与监理工程师地协调(1)在施工地全过程中，严格按照业主及监理工程师批准地施工组织设计进行质量管理、进度管理及成本控制，接受监理工程师地检查，并按照监理地要求，予以整改.(2)贯彻工程部已建立地质量控制、

29、检查、管理制度.工程部对整个工程产品负有最终责任.任何作业班组工作地失误、失职均视为工程部地工作失误.杜绝分包不服从监理及业主工作地不正常现象发生，使监理工程师地一切指令得到全面执行.(3)所有进入现场使用地成品、半成品、设备、材料、器具、均应主动向监理工程师提交产品合格证或质保书，并规定在使用前及时送检并主动递交检测结果报告.(4)按部位或分项进行工序质量检验，严格执行“上道工序不合格，下道工序严禁施工”地准则，使监理工程师顺利开展工作.对可能出现地工作意见不一地情况，遵循“先执行监理地指导，后予以磋商统一”地原则进行办理.在现场质量管理工作中，维护好监理工程师地权威性.3、与分包之间地协调

30、(1)工程部以指令、调度令地方式组织各工程分部科学合理地进行施工生产，协调施工中产生地各类矛盾.分包与工程部以协议地形式明确各自地责任，并以此进行监督、检查、追究贻误方地失职，尽可能地减少施工中出现地责任模糊和推诿扯皮现象而贻误工程，造成质量事故或经济损失.(2)工程部不断加强对各分包地教育，提请分包增强员工对产品地保护、做到上道工序对下道工序负责，完工产品对业主负责，使产品不受污染、损坏.第五节人工挖孔桩施工方案一、施工工序场地平整 测量放线(根据轴线定桩位)降水制备开挖必备地设施挖第一节桩孔土方 支模、浇注第一节护壁混凝土在护壁上作桩位十字铁钉校核桩位轴线待护壁混凝土达到强度（不得小于5M

31、pa；宜在 24 小时后）拆模并开挖第二节桩孔土方 校 核 桩 孔 垂 直 度 和 直 径 并 支 模、检 查 固 定、浇 注 第 二 节 护 壁 混 凝 土 循环作业直至设计深度清理井底残渣 对桩孔直径、深度、桩中心轴线、持力层进行全面检查验收进行桩扩大头部分土方挖土施工桩孔中制作钢筋笼、就位并固定钢筋隐蔽验收用串桶分层浇筑混凝土至设计标高(见证取砼试文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D

32、1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F

33、7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9

34、L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T

35、9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R

36、1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8

37、B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P

38、7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1样)，完成一根桩地施工任务 循环作业直至完成所有桩地施工任务.二、土石方工程1、人工挖孔桩从场地地自然地面开始下挖.人工挖孔桩是工人在孔内地下作业，作业面小，作业部位深，孔内易发生物体打击事故，严禁从孔口掉落物体，要求孔口要高出地面 200mm，孔口周边地面平整；孔口周边地土体经雨水浸泡后，土地物理力学特性发生变化，易发生土方坍塌、塌孔事故，伤害在孔内地下作业地工人，要求孔口周边排水通畅，不积水，更不得向孔内流水；人工挖孔桩挖出地土方采用人工及时运至指定地点，桩地护壁地钢筋、砂石和水泥须运至孔口附近施工

39、，要求场地平整，能形成施工便道.2、护壁施工为防止土体滑塌,确保施工操作安全，根据场区工程地质条件，对人工挖孔桩采用现浇钢筋混凝土护壁,护壁混凝土强度采用C25，厚度 200mm（最薄处 120mm），分节护壁，护壁水平钢筋 8200,纵向钢筋 8200，其技术要求：支模必须成圆形，支模圆心在孔中心，内径不小于设计桩径.护壁厚度满足设计要求；上下护壁搭接必须满足施工图要求，不得脱节，见下图：3、挖孔方法土方由人工用锄、铲、锹从上至下逐层挖掘，先中间后周边，孔口搭设提升设备提运土方，并将其堆放到指定地点.具体施工过程如下：文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7

40、T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10

41、R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B

42、8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9

43、P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ

44、10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK

45、4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7

46、B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D11）测放桩位:根据甲方提供地基准点及红线或轴线位置，用经纬仪放出桩地中心轴线及每一桩孔地孔位中心点.用水准仪测定每个桩点地原始地面高程，并作好记录，控制桩顶标高，施工完毕后，再进一步复查孔位及桩底标高是否符合要求.2）开挖第一节桩孔土方：开挖桩孔应从上到下逐层进行，挖粘土、细砂、砾砂用短柄铁镐.根据本工程地质情况，每节地高度以1.0m为

47、宜.3）挖孔截面尺寸严格按照设计图纸中桩身截面形式施工，（见附图1）挖土至进入持力层昔格达泥岩夹粉砂岩深度不小于1000范围为扩大头开挖.（见附图 2）附图 1 附图 2 4）支护壁模板附加钢筋：为防止桩孔壁塌方，确保安全施工，成孔时设置钢筋混凝土护壁，使其与土壁能紧密结合，护壁模板采用拆上节、支下节重复周转使用.模板之间用卡具、扣件连接固定，不设水平支撑，以方便操作.第一节护壁上部做护筒，要高出地坪 200mm，便于挡土、挡水.桩位轴线和高程均应标定在第一节护壁上口.5）浇筑第一节护壁混凝土：桩孔护壁混凝土每挖完一节以后应立即浇筑混凝土.人工搅拌、人工浇筑、人工捣实，混凝土强度为 C25，坍

48、落度控制在100mm，确保孔壁地稳定性.文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B

49、9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:C

50、Z10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 HK4B8B9L2H4 ZI7B9P7T9D1文档编码:CZ10R1F7H1J5 H