How use soil in laboratory.
Question. Define liquid limit and plastic limit. How do you calculate plasticity index ? How many strokes are specified for rolling the thread of soil when determining plastic limit ? And how many revolution per second when determining liquid limit ? Answer . Liquid limit is the water content in which the soil mass has a capacity to Flow as a liquid . It is in between the liquid and plastic state the rate is 2 revolution per second . Plastic limit is the water content in which the soil mass can be molded without crumbling . It is in between plastic and semi-solid state . The rate is 80 to 90 strokes per minute . Question . Could we used for embankment material ? Answer . Yes , by plating. It is a method of covering or confining of unstable fills with a suitable , stable material. Question . What are the te...