Liquid Unit: This test works by using Casagrande’s liquid limit unit, which is made of a cup that moves up and down. Using the right Device, a groove is designed in the course of the cup stuffed with soil samples. As time passes, the groove around the cup closes https://soilqualitytestingbanglad34320.blogdon.net/top-latest-five-construction-soil-testing-bd-urban-news-45801039