The excavation or h2o replacement technique is helpful for soils which have been much too unfastened to collect an intact Main or clod, or for soils made up of gravel. Both the intact clod and excavation methods are explained in detail by Cresswell and Hamilton (2002). GeoTech Engineering Confined (GEL) https://topconstructionfirmindhak31975.anchor-blog.com/16451008/the-2-minute-rule-for-construction-soil-investigation-bd