A method for driving a columbarium ends to pipe without erdaustrag and excavating device

摘要

A propulsion method of a pipe to be buried without soil discharge comprising the steps of drilling the ground with the tip of an excavator propelling in the ground, taking the drilled soil into the excavator, discharging the taken soil to the ground side by compacting the soil on the outer circumference of the excavator, and burying the pipe progressively in the hole formed behind the excavator; being characterized in using an excavator equipped with a tip part having a diameter larger than the outside diameter of the pipe to be buried and a rear part having nearly the same diameter as the outside diameter of the pipe to be buried.