A Micro-Computer Based Data Acquisition System for the Cone Penetration Test

expressed as a percentage, inconjunction with soil classification charts such as those presented by Schmertmann(1978) and Robertson and Campanella (1983).In addition, the CPT has the lowest in situ test variability, along with thedilatometer test, of any of the in situ tests in current use (Orchant et al, 1988). Theauthors reported that the coefficient of variation