黄土结构性与强度指标的相关性  

Correlation study of loess structural and strength index

作　　者：员康锋[1,2] 员盼锋[3] 

机构地区：[1]山西省交通科学研究院黄土地区公路建设与养护技术交通行业重点实验室,山西太原030006 [2]山西省交通科学研究院黄土地区公路建设与养护技术山西省重点实验室,山西太原030006 [3]西安热工研究院有限公司,陕西西安710032

出　　处：《辽宁工程技术大学学报（自然科学版）》2015年第3期373-376,共4页Journal of Liaoning Technical University (Natural Science)

基　　金：山西省交通厅科技基金资助项目(2012-1-3)

摘　　要：为解决当前黄土结构性和强度指标之间的规律缺乏系统研究的问题;针对晋南地区某基坑黄土进行压缩试验及三轴试验,研究强度指标随结构性参数的变化规律.结果表明:当含水量较低时,结构性参数随含水量的增大迅速减小;而在较高含水量时,减小趋势变缓;强度指标随结构性参数的增大而增大,增大范围较大;而强度指标增大范围较小,且随结构性参数的增大,增大趋势变大.In order to solve the currently existing problem of lacking a systematic study for the relationship between the structure and strength index, this paper conducted compression and triaxial test with loess in a foundation pit in Jinnan to study the strength index changes with the structural parameters. The results shows that when the water content is low,the structure parameter decrease rapidly with the increasing of water. The speed of decrease become slow when the water content is high. The strength index have a big extent of increasing with the increasing of structure parameter, the strength index have a small extent of increasing,and the trend of increasing become large with the increasing of. This achievement has certain reference value and significance for the study of relationship between the structure and strength index.

关 键 词：压缩试验 三轴试验 原状黄土 结构性参数 强度指标 

分 类 号：TU443[建筑科学—岩土工程]