Published: October 20, 2010Received: February 19, 2010Available on J-STAGE: October 20, 2010Accepted: April 05, 2010
Advance online publication: -
Revised: -
In these experiments, a technique to observe a marker installed all over the artificial ground was used for the visualization of behavior of the digging soil. This suggests that the use of this technique helps understand the behavior of digging soil. The behavior of digging soil differs according to the rotational direction of an auger equipment.