Gradation equation of coarse-grained soil and its applicability

被引：0
|
作者：
粗粒料的级配方程及其适用性研究
机构：
[1] [1,Wu, Er-lu
[2] 1,Zhu, Jun-gao
[3] 1,Chen, Ge
[4] 1,Bao, Meng-die
[5] Guo, Wan-li
来源：
Zhu, Jun-gao (zhujungao@hhu.edu.cn) | 2020年 / Central South University of Technology卷 / 27期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Soils;
D O I：
暂无
中图分类号：
TU4 [土力学、地基基础工程];
学科分类号：
081401 ;
摘要：
Gradation equation is one way to describe the gradation of coarse-grained soil conveniently, exactly and quantitatively. With the gradation equation, the influence of gradation on the mechanical behaviors of coarse-grained soil can be expressed quantitatively. A new gradation equation with a parameter is proposed. The basic properties and applicability of the new equation are studied. The results show that the proposed equation has the applicability to express coarse-grained soil gradation (CSG), and the range of the parameter β is found to be 00.5, the gradation curve is sigmoidal, otherwise the gradation curve is hyperbolic. For well graded gradations, the parameter has the value of 0.13 © 2020, Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature.
引用
收藏
页码：911 / 919
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