Abstract
This study researched the effect of montmorillonite content on the thixotropy of compacted soils. We conducted fall cone tests and unconfined compression tests on sample soils, each one of which contained a different amount of montmorillonite.
As a result, the compacted soil with a much lower content of water than the plastic limit, mixed with bentonite and kaolin, increased the thixotropy strength. The tests also showed that the strength varies depending not only on the ratio of montmorillonite content but also on the period of elapsed days and the temperature. Furthermore, the tests showed that the axial strain at failure and the modulus of deformation as well as the strength of the unconfined compression all vary depending on the period of elapsed days. Thus, it was determined that the strength of thixotropy can be evaluated in soil construction by compaction such as embankment.
