重塑黏土压缩变形参数研究  

RESEARCH ON THE COMPRESSION DEFORMATION PARAMETERS OF RESHAPED CLAY

作　　者：苏铁志 王一鸣 朱首金 龙奇航 周佳欣 向婷 王理杰 SU Tiezhi;WANG Yiming;ZHU Shoujin;LONG Qihang;ZHOU Jiaxin;XIANG Ting;WANG Lijie(China Aerospace Planning and Design Group Co.,Ltd.,Beijing 100162,China;Chengdu Vocational&Technical College of Industry,Chengdu 610000,China;School of Civil Engineering and Architecture,Shandong University of Science and Technology,Shandong Qingdao 266590,China;Engineering Research Center for Health Monitoring in Building Life Cycle and Disaster Prevention,Yangtze Normal University,Chongqing Fuling 408100,China)

机构地区：[1]航天规划设计集团有限公司,北京100162 [2]成都工业职业技术学院,成都610000 [3]山东科技大学土木工程与建筑学院,山东青岛266590 [4]长江师范学院建筑物全生命周期健康检测与灾害防治工程研究中心,重庆涪陵408100

出　　处：《低温建筑技术》2024年第7期139-142,共4页Low Temperature Architecture Technology

基　　金：大学生创新创业训练计划项目(S202310647020)。

摘　　要：土体压缩变形参数是地基沉降计算的基础,可通过室内一维固结试验获得,由于试验过程耗时长,给出土体压缩变形参数与土体物理指标的经验关系具有重要工程意义。文中通过对6种重塑黏土开展一维压缩试验,测定土体的压缩变形指标,对它与土体的物理力学性质指标相关性进行分析。结果表明重塑黏土饱和状态下所能保持的最大含水率、液塑限与土体的压缩指数有良好的相关性,通过建立经验方程,可以根据土体物理力学指标较好地推算重塑黏土的压缩变形参数。The compression deformation parameters of soil are the basis for calculating foundation settlement,which can be obtained through indoor one-dimensional consolidation tests.Considering the long testing process,providing an empirical relationship between the compression deformation parameters of soil and its physical indicators is of great engineering significance.By conducting one-dimensional compression tests on six types of remolded clay,the compression deformation index of the soil is determined,and its correlation with the physical and mechanical proper⁃ties of the soil is analyzed.The results show that there is a good correlation between the maximum water content,liq⁃uid plastic limit,and compression index of the soil that can be maintained under the saturated state of remolded clay.By establishing an empirical equation,the compression deformation parameters of remolded clay can be well calculated based on the physical and mechanical indicators of the soil.

关 键 词：一维固结试验 压缩指数 最大饱和含水率 重塑黏土 

分 类 号：TU45[建筑科学—岩土工程]