Wash boring is soil boring test with motorized drilling machine

Wash boring is soil boring test implement by water injection passing drilling rod through borehole with high pressure water pump and flow to chopping bit for soil impingement or soil mastication. Soil was damaged until size of soil is smaller which soil is moved up at the borehole wall by water and flowed down in portable slush that is side of the borehole for coarse grain Soil precipitation and then some water is pumped for water reuse. Continue reading “Wash boring is soil boring test with motorized drilling machine”