Usually, slim-walled tube samplers and many piston samplers are used to collect undisturbed soil specimen. The diameter of the undisturbed soil sample is around a hundred mm and ranges from 150mm to 200mm for rocks. A: Yes, you can find polices outlined in the Bangladesh Countrywide Making Code that mandate https://industrydefiance00999.goabroadblog.com/30988397/facts-about-construction-soil-investigation-bd-revealed