土工织物的孔洞曲线和瓶颈曲线及其应用

Construction and opening size distribution curves of geo-textiles and their application

介绍土工织物的孔洞曲线和瓶颈曲线及其相关的概率分析 ,提出了设计中应注意的一个参数———渗径孔洞数m .这两种曲线和参数m一起 ,更加完整地反映了土工织物滤层的渗滤性能 .在理论分析的基础上 ,提出了一种新的滤层设计方法 ,并提供了可供设计使用的计算图 ,该方法同时考虑了O10 0 和m两个参数 。

An introduction is given to the construction size distribution curve and opening size distribution curve of geo textiles and their correlative probabilistic analysis, and the seepage path m is considered as a notable parameter in filter design. The two kinds of curves together with the parameter m can give complete information of geo textile filters. Based on theoretical analysis, a new method for filter design is proposed and a corresponding calculating chart is developed. The new method takes both O 100 and parameter m into account and can realize the optimal selection from geo textiles with the same or similar equivalent opening size.