中国国际贸易中心三期发展项目B阶段工程桩基、土方工程施工方案目录一、工程概况................................................11、工程介绍..............................................12、场地工程地质、水文地质条件............................12.1工程地质条件.......................................22.2水文地质条件.......................................53、编制依据..............................................5二、项目目标及重点难点分析与对策............................71、项目目标..............................................72、重点难点分析与对策....................................73、重点难点对策..........................................7三、工程设计简介............................................91、桩基础设计简述........................................92、桩基础后压浆设计方案.................................112.1设计院提出的承载力要求............................112.2后压浆设计方案....................................112.3后压浆应急措施....................................14四、土石方挖运方案.........................................151、施工条件与准备.......................................152、施工噪声处理.........................................153、土方挖运方案.........................................151中国国际贸易中心三期发展项目B阶段工程桩基、土方工程施工方案4、马道收尾.............................................16五、施工组织与质量控制.....................................171、施工计划.............................................171.1人员准备计划......................................171.2施工机械设备准备计划..............................181.3施工用水、用电计划................................191.4材料进场检（试）验计划............................191.5与监测单位配合计划................................201.6施工现场准备......................................202、加工、材料和施工场地部署.............................202.1钢筋加工区安排....................................202.2水泥库房安排......................................202.3施工区段的划分....................................202.4成桩安排..........................................212.5后压浆安排........................................212.6挖土、剔桩头......................................222.7静载荷试验计划....................................222.8低应变动测........................................232.9收马道............................................233、施工测量.............................................293.2建筑物控制测量....................................302中国国际贸易中心三期发展项目B阶段工程桩基、土方工程施工方案3.3桩基础施工测量....................................323.4挖土施工测量......................................333.5测量精度的控制及误差范围..........................333.6施工测量仪器配置..................................333.7精度控制..........................................333.8控制网的确认及复测................................334、基础桩施工工艺.......................................344.1φ800、φ1200基础桩施工（旋挖钻机）...............344.2φ600基础桩施工（长螺旋钻机）.....................404.3基础桩关键过程的控制（风险点）....................425、后压浆施工工艺.......................................425.1高压注浆的施工工序................................436、工程质量保证体系及施工管理...........................436.1质量保证体系......................................436.2工程质量保证措施......................
