非饱和黄土的显微结构与湿陷性

胡再强; 沈珠江; 谢定义

引用本文:	胡再强,沈珠江,谢定义.非饱和黄土的显微结构与湿陷性[J].水利水运工程学报,2000,(2):68-71

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非饱和黄土的显微结构与湿陷性
胡再强¹,沈珠江²,谢定义¹
1. 西安理工大学,水利水电学院,陕西,西安,710048 2. 南京水利科学研究院,土工研究所,江苏,南京,210029

摘要:

对陕西某抽黄河水工程黄土的原状土样进行了三轴浸水试验及湿陷前、后试样的显微结构扫描电镜分析 .由非饱和黄土显微结构与湿陷性之间的联系 ,确定黄土结构与湿陷性的关系 .研究表明 ,黄土的显微结构与黄土的结构性及湿陷性有着密切的关系

关键词: 显微结构,湿陷性,结构性,非饱和黄土

DOI：

分类号:TU41

基金项目:

Micro-structure and inundation of unsaturated loess

HU Zai-qiang¹,SHEN Zhu-jiang²,XIE Ding-yi¹

Abstract:

In this paper, the triaxial inundation test of the unsaturated primary loess sampled from a pumping project along the Yellow River in Shaan Xi is described, and the analysis on the micro sturcture of the sample with the electronmicroscope before and after collapsing is done. The relation between loess structural behavior and collapsibility is confirmed through the link of micro structure and collapsibility, and the research implies that the micro structure of loess has a close relation with the structural behavior and collapsibility of loess.

Key words: micro-structure,inundation,structural behavior,unsaturated loess