李志清, 胡瑞林. 2007: 用千分尺测定膨胀土的收缩特性. 工程地质学报, 15(S2): 128-133.
    引用本文: 李志清, 胡瑞林. 2007: 用千分尺测定膨胀土的收缩特性. 工程地质学报, 15(S2): 128-133.
    LI Zhiqing, HU Ruilin. 2007: MEASURING SHRINKAGE CHARACTERISTIC OF EXPANSIVE SOIL WITH MICROMETER. JOURNAL OF ENGINEERING GEOLOGY, 15(S2): 128-133.
    Citation: LI Zhiqing, HU Ruilin. 2007: MEASURING SHRINKAGE CHARACTERISTIC OF EXPANSIVE SOIL WITH MICROMETER. JOURNAL OF ENGINEERING GEOLOGY, 15(S2): 128-133.

    用千分尺测定膨胀土的收缩特性

    MEASURING SHRINKAGE CHARACTERISTIC OF EXPANSIVE SOIL WITH MICROMETER

    • 摘要: 利用千分尺测量了蒙自膨胀土在不同含水量、不同干密度条件下的自由收缩率,发现膨胀土的收缩规律不同于膨胀规律。膨胀土收缩特性与其干密度无直接关系;试样含水量越大,其各向异性越强,收缩性越大。试验得出了蒙自膨胀土不同干密度条件下含水量与线缩率的定量关系,对工程实践有一定的参考价值。

       

      Abstract: Free shrinkage ratio of Mengzi expansive soil is measured under different water content and dry density with micrometer. Shrinkage characteristic of expansive soil has no direct connection with dry density. The larger the water content of the sample, the stronger the anisotropy. The higher water content of the sample, the greater the shrinkage . The quantitative relationship between water content and linear shrinkage ratio is gained under different dry density for Mengzi expansive soil, which has great value to engineering practice.

       

    /

    返回文章
    返回