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Digital image analysis of dynamic compaction effects on clay fills

文献类型：期刊论文

作者Hu, RL; Yue, ZQ; Tham, LG; Wang, LC
刊名JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
出版日期2005-11-01
卷号131期号:11页码:1411-1422
ISSN号1090-0241
DOI10.1061/(ASCE)1090-0241(2005)131:11(1411)
文献子类Article
英文摘要This paper presents the findings of a digital image analysis based study of clay fills, compacted with dynamic compaction for a building foundation in northeast Beijing, People's Republic of China. Three levels of compaction energy were used at three compaction pits, respectively. Ground settlements and soil density increased with the number of dynamic impact blows. Microstructures of dry clay fill samples from the pits were examined with a scanning electronic microscope (SEM). Their microstructural parameters were further measured and analyzed quantitatively using digital image analysis. The clay SEM images are automatically converted into ternary images representing particles, pores, and contact zones for effective and efficient calculation of the clay microstructural parameters. The effect of dynamic compaction on the clay microstructural properties at different blow numbers and compaction energy levels is examined. Analysis revealed that the changes of the soil microstructural properties have a good correlation with the observed ground settlements at the three pits. The ground settlements are due to the size and shape changes and reorientation of the grain particles and pores of the clay fills.
WOS关键词SOIL ; SHAPE
WOS研究方向Engineering ; Geology
语种英语
WOS记录号WOS:000232699500009
出版者ASCE-AMER SOC CIVIL ENGINEERS
源URL[http://ir.iggcas.ac.cn/handle/132A11/65306]  
专题中国科学院地质与地球物理研究所
通讯作者Yue, ZQ
作者单位1.Univ Hong Kong, Dept Civil Engn, Hong Kong, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Geol & Phys, Engn Geomech Lab, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Hu, RL,Yue, ZQ,Tham, LG,et al. Digital image analysis of dynamic compaction effects on clay fills[J]. JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING,2005,131(11):1411-1422.
APA Hu, RL,Yue, ZQ,Tham, LG,&Wang, LC.(2005).Digital image analysis of dynamic compaction effects on clay fills.JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING,131(11),1411-1422.
MLA Hu, RL,et al."Digital image analysis of dynamic compaction effects on clay fills".JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING 131.11(2005):1411-1422.

入库方式： OAI收割

来源：地质与地球物理研究所

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