桩基础施工技术研究毕业专业论文.docVIP

学号： 20087091102 信阳师范学院华锐学院 本科毕业论文 专 业 土木工程 年 级 2008级土木工程2班 姓 名 蔡金洲 论文题目 桩基础施工技术研究 指导教师 职称 2012年5月10日 目 录 摘 要·····················································1 关键词·····················································1 Abstract···················································1 Key Words·················································1 前言·······················································1 1桩基础施工技术的现状······································2 1.1桩基设计中静载荷试验的重要性·······························2 1.2桩基设计中桩型、桩长设计的重要性····························3 1.3关于桩偏差的控制和处理····································4 2 桩基础施工的测量技术要求·································5 2.1建筑物轴线测设的主要技术要求·······························5 2.2对高程测量的技术要求······································5 3广州市电视台新址工程的施工示范···························5 3.1工程的概况··············································5 3.2 施工部署阶段············································6 3.3施工的要点··············································64柱基础施工准备工作·······································6 4.1施工现场勘察············································7 4.2施工技术准备············································7 4.3施工机械准备············································7 4.4施工现场准备············································8 4.5施工放线················································8 5桩基础的施工·············································9 5.1对于混凝土灌注桩·········································9 5.2对于预制桩·············································10 6施工中特殊情况处理·······································10 6.1桩基达到其极限承载力而无法压至设计标高·····················10 6.2桩基施工时压桩力远低于设计承载力··························11 6.3桩基静载荷试验不合格····································11 6.4管桩裂缝处理···········································12 7桩基础施工技术发展趋向·········