软土地基土工合成材料加筋堤的理论研究与设计方法  

Theory and Design Methods of Geosynthetic Reinforced Basal Embankment on Soft Soil Foundation

作　　者：汪益敏[1,2] 徐超[3] 

机构地区：[1]华南理工大学土木与交通学院,广州510640 [2]华南理工大学亚热带建筑科学国家重点实验室,广州510640 [3]同济大学岩土及地下工程教育部重点实验室,上海200092

出　　处：《长江科学院院报》2014年第3期48-57,共10页Journal of Changjiang River Scientific Research Institute

基　　金：亚热带建筑科学国家重点实验室项目(2010ZC15)

摘　　要：重点关注软土地基上直接设置加筋垫层的路堤工作机理、设计理论和方法,归纳加筋垫层路堤的特点,总结已取得的相关成果和工程实践经验,探讨软土地基施工过程中地基部分固结、地基强度随深度增长、筋材的蠕变特性、软弱灵敏黏土等因素对加筋垫层路堤设计的影响,指出软基上加筋路堤与时间相关的长期稳定和沉降问题值得进一步研究和探索,期望所做的工作能为加筋垫层路堤的理论研究和工程应用提供参考。The mechanism,design theory and methods of basal reinforced embankment on soft soil foundation are researched.The characteristics of basal reinforced embankment are presented,the achievements and engineering practices are summarized.Furthermore,the influences of the following factors,including foundation consolidation,foundation＇ s strength increment along depth,reinforcement＇ s creep behavior,and soft sensitive clay,on the design of basal reinforced embankment are analyzed.The long-term stability and settlement of reinforced embankment on soft foundation need further research.The research in this paper is expected to provide reference for the theory and engineering application of basal reinforced embankments.

关 键 词：软土地基 加筋垫层 路堤 设计方法 

分 类 号：U416.12[交通运输工程—道路与铁道工程]