![](https://mngd.africa.kyoto-u.ac.jp/mngd/wp-content/uploads/2022/10/FN53Kido.jpg)
This picture shows a failure plane observed in a uniaxial compression test using a sample of black cotton soil mixed with FSP and lime. The sample was very brittle to the touch, and I felt more like sand than clay. It will be interesting to see how it behaves in other cases.
*You can find the article archived here.