水利水电科技进展2025，Vol.45Issue(6)：61-67,7.DOI:10.3880/j.issn.1006-7647.2025.06.009
渗流溶蚀作用下盐渍土变形特性与微观结构
Deformation characteristics and microstructure of saline soil under seepage dissolution effects
摘要
Abstract
To investigate the compressive deformation characteristics of saline soil under dissolution,taking sulfite saline soil from a certain area in Xinjiang as the research object,using laboratory seepage dissolution tests,compression tests,and micro-morphological analysis,the influence of dissolution on the compressive properties of sulfite saline soil was analyzed,and the deformation degradation mechanism of saline soil under seepage dissolution effects was revealed.The results show that under dissolution,the surface porosity of the specimen increases with the salt content,and the electrical conductivity of the leachate decreases rapidly initially and then gradually stabilizes with dissolution time.Dissolution significantly increases the compression coefficient of the specimen,which increases linearly with the salt content.Under dissolution,aggregates disintegrate,large flaky particles are transformed into medium and small particles with rounded shapes,and inter-particle pores and interlocked pores are converted into crystalline dissolution pores,thereby leading to more significant macroscopic deformation.关键词
盐渍土/渗流溶蚀/压缩特性/变形特性/微观结构Key words
saline soil/seepage dissolution/compression characteristics/deformation characteristics/microstructure分类
建筑与水利引用本文复制引用
曾涛,刘亮,丁金华,宫淼淼,沈静东..渗流溶蚀作用下盐渍土变形特性与微观结构[J].水利水电科技进展,2025,45(6):61-67,7.基金项目
新疆维吾尔自治区自然科学基金面上项目(2022D01A200) （2022D01A200）
