Glossary

Direct Push Drilling consists of directly pushing a macro-core sampler into the ground by use of rapid vibration and downward thrust. When the core is withdrawn, a soil sample is obtained. This can be performed in fine-grained, moist soils with relatively low to medium density and enough...

Double-Ring Infiltration Testing is performed in a very similar method to the Single-Ring test. However, two pipes are used concentrically. The outside pipe should be roughly 3x the diameter of the inside pipe. Both rings should be filled with water, with both water levels recorded regularly and...