基桩遇孤石质量问题的分析与处理  

Analysis and treatment of quality problem of boulder in foundation pile project

作　　者：杨文武 

机构地区：[1]中联环股份有限公司,福建厦门361009

出　　处：《福建建设科技》2015年第5期10-13,17,共5页Fujian Construction Science & Technology

摘　　要：基于地基与基础等强置换、地基压力扩散原理及复合地基理论,以孤石加固法、结构加固法、复合地基与基础加固法及等强补桩法比较,分析了某建筑主体结构已施工基桩遇孤石的承载力、沉降量不能全部满足要求的处理方案,探讨复合地基加固法和等强补桩法的应用。提高土层压缩模量是复合地基加固的重要途径,合理、有效地确定地基处理范围是复合地基加固的重要环节。Based on the equal strength displacement theory of foundation and foundation, ground pressure diffusion principle and the theory of composite foundation, comparisons of boulder reinforcement method, the structure reinforcement method, composite foundation and pile foundation reinforcement method and equal strength reinforcement method were made.The treatment plan for bearing capacity and settle-ment under requirements due to boulder encountered in a foundation pile which main structure has been built was analyzed.Application of composite foundation reinforcement method and equal strength pile reinforcement method were discussed.Improvement of the soil compres-sion modulus is the important way of compound foundation reinforcement, reasonable and effective determination of the scope of the founda-tion treatment is an important part of the composite foundation reinforcement.

关 键 词：基桩遇孤石 沉降差 基础承载力 孤石加固法 复合地基与基础加固法 结构加固法 等强补桩法 

分 类 号：TU473.1[建筑科学—结构工程]