CALTRANS Publishes Guide For Design With Subgrade Enhancement Geotextiles

Subgrade support using geotextiles

Subgrade support using geotextilesGeotextiles are frequently used for subgrade improvement under roadways. Caltrans has released a document titled "Guide for Designing Subgrade Enhancing Geotextiles". This 18-page document covers what situations can be improved using geotextiles and includes a flowchart for guidance on when to apply them and for what purposes. From Geosynthetics magazine. (Image by Caltrans)