裂隙粘土渗透性和敏感性研究  

Research on Permeability and Sensibility of Fissured Clay

作　　者：赵小龙[1,2] 陈亮[1,2] 季纯波[1,2] 黄德文[1,2] 丁小闯[1,2] 

机构地区：[1]河海大学 岩土力学与堤坝工程教育部重点实验室,江苏南京210098 [2]河海大学岩土工程研究所,江苏南京210098

出　　处：《水利与建筑工程学报》2013年第1期37-39,65,共4页Journal of Water Resources and Architectural Engineering

基　　金：重庆交通大学水利水运工程教育部重点实验室暨国家内河航道整治工程技术研究中心开放基金资助(SLK2011A02)

摘　　要：裂隙粘土在我国广为分布,对该类土体渗透系数的测定方法主要为传统方法,但传统方法往往耗费大量的人力和时间,采用微水冲击试验却能很好的解决这些问题,分析传统方法与微水冲击试验所得结果的差别,指出不同方法研究该结构性粘土渗透特性的优缺点和工程适用性。通过分析和比较室内不同扰动情况土样试验测定结果,给出了裂隙粘土敏感性评价的指标。The fissured clay is widely distributed in China, but the ways to determine the permeability coefficient of this soil are mainly traditional methods, which would tend to spend a lot of manpower and time. The slugging test is adopted to solve these problems and obtain the accurate permeability coefficient, then compared with the advantages and disadvan- tages of using different two methods, the structural clay permeability and their engineering applicability are pointed out. By analyzing and contrasting the experimental results in laboratory for the soil samples under different disturbances, the index to evaluate the sensitivity of fissured clay is defined.

关 键 词：渗透系数 裂隙粘土 微水冲击试验 室内试验 敏感性 

分 类 号：TU411.4[建筑科学—岩土工程]