天津滨海新区全新世湖沼相沉积土微观结构特征及定量化研究  

Microstructure Features and Quantitative Analysis of Holocene Limnetic Facies Sedimentary Soil in Tianjin Binhai New Area

作　　者：韩飞[1] 赵瑞斌[1] 张冬[1] 卢广宁[1] 

机构地区：[1]天津城市建设学院天津市软土特性与工程环境重点实验室,天津300384

出　　处：《天津城市建设学院学报》2008年第3期163-167,193,共6页Journal of Tianjin Institute of Urban Construction

基　　金：天津市科技发展计划重点科技攻关专项目(06YFSZSF04000);科技创新能力与环境建设平台项目(06SYSYJC14900)

摘　　要：以天津滨海新区全新世湖沼相沉积土为研究对象,用扫描电子显微镜(SEM)进行微观结构测试,并总结其微观结构类型.介绍了利用图像处理技术对土体进行微观结构定量分析方法,讨论了结构单元体,并表征了孔隙大小、形态及定向性等结构要素的定量评价指标.通过对原状土样及不同固结压力下土的微观结构的图像分析,得出了天津滨海新区全新世湖沼相沉积土微观结构特征及一些定量化的结构参数.The Holocene Limnetic Facies Sedimentary(HLFS) soil in Tianjin Binhai New Area was studied.Its microstructure was tested and its microstructure styles were summarized using Scanning Electronic Microscope(SEM).The quantitative analysis method to soil microstructure that based on image processing technique was introduced.The structure unit and a quantitative evaluation index which characterizing the key factors of pore,such as scale,shape,directionality etc.,were discussed.According to the microstructure imag...

关 键 词：天津滨海新区 全新世湖沼相沉积土 微观结构 定量分析 

分 类 号：TU447[建筑科学—岩土工程]