施工技术 2011年10月上 64 CONSTRUCTION TECHNOLOGY 第40卷第350期 旋喷搅拌加劲桩桩-土摩阻力试验检测分析 陈先军1，刘全林2 (1.安徽理工大学土木建筑学院，安徽淮南232001；2.上海强劲基础工程技术咨询有限公司，上海200235) [摘要]通过对旋喷搅拌加劲桩桩体与土体之间摩阻力试验，得出了旋喷搅拌加劲桩高压旋喷作用使一定范围内 的土体结构发生重新组合，形成一种新型的水泥土互嵌式结构，改善了土体的力学性质，增大了周围土体的重度、 黏聚力和内摩擦角，给出了桩体与地层土体之间的摩阻力计算分析方法.通过对检测数据的反演，优化了旋喷搅 拌加劲桩桩土间摩阻力强度计算公式，对加劲桩支护结构设计中的取值具有重要意义. [关键词]地下工程；桩基；旋喷搅拌加劲桩；试验；摩阻力 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2011)19-0064-03 Analysis on Friction Resistance Test Between Jet Mixing Anchor Pile and Soil Chen Xianjun' Liu Quanlin2 (1.School of Civil Engineering and Architecture Anhui University of Science and Technology Huainan Anhui 232001 China; 2.Shanghai Qiangjin Engineering and Technology Consulting Co.Ltd.Shanghai 200235 China) Abstract:Based on friction resistance test between jet mixing anchor pile and soil the authors get that soil structure reorganizes in certain range by high pressure jet and mutual embedded structure of cement and soil forms which improves mechanical properties and increases the specific weight cohesion and internal friction angle.Meanwhile the authors propose the calculation method of friction resistance test between pile and soil.According to inversion analysis of detection data formula of friction resistance strength is optimized which is significant for value in structure design of anchor pile. Key words:underground;piles;jet mixing anchor pile;test;friction 1旋喷搅拌加劲桩桩体与土体之间摩阻力的选取 参考价值.但必须注意二者在工作性质、施工方 旋喷搅拌加劲桩桩体与地层土体之间的摩阻 法、工作时间长短等方面的差异等. 力不仅决定了旋喷搅拌加劲桩的锚固力，而且体 2)借助...
旋喷搅拌加劲桩桩-土摩阻力试验检测分析.pdf
