This is a revision of an earlier method of hardening ground by raising and lowering level mixing blades during horizontal movement. An upright composite mixing rig called a trencher is loaded onto a floating deck. Once it has been driven into the ground it is moved continuously horizontally, to improve soft ground.
![](https://www.fudotetra.co.jp/en/wp-content/themes/fudoTetraEnTheme/assets/img/solution/img_soil_vmixing_01.jpg)
![](https://www.fudotetra.co.jp/en/wp-content/themes/fudoTetraEnTheme/assets/img/solution/img_soil_vmixing_02.gif)