Understanding and interpreting soils and soil boring ...
· Hand held or machine auger; Excavation test pit or trench; Direct push technology (DPT) Rotosonic drilling; Soil boring (hollow stem auger or HSA method) Of these six types of soil sample collection methods, soil borings are highly recommended. Soil borings provide the greatest amount of data. Knowing existing conditions as a result of proper soil investigation allows the design team to ...