fat clay

fat clay

A clay having a high value of liquid limit and plasticity index.
References in periodicals archive ?
MH Elastic Silt OH Organic Clay CH Fat Clay OL Organic Silt Pt Peat
The majority of the Helsinki Fat Clay group of artists descends, through their training, directly from the first well-known and celebrated personage in Finnish ceramic art.
Salmenhaara educated many of the artists belonging to the Helsinki Fat Clay group or their teachers.
The artists in the Helsinki Fat Clay group clearly display these two legacies inherent in Finnish ceramic art.
The Helsinki Fat Clay members' ceramic works bring forth on the one hand how the old peasant life style and its resulting form language continues to affect Finnish modern art.
The relief is thin and easy to break, so the figure is turned on the plaster and the back of the thin figure is strengthened with fat clay slip.
These borings indicated the soil profile consisted of 1 1/2 to 7 feet of variable clay and sand fill, underlain by 20 to 25 feet of soft fat clay known as "bay mud.
One innovative operation is able to process and mix fat clay soils.
Another unique method for treating fat clay or other wet, sticky soils, is to modify the clay with lime to dry it out and to reduce the plasticity.
This procedure has been used successfully with sandy soils (SP, SP-SM, SP-SC, SM), some clayey soils (SC, CL), but is not effective with fat clays (CH).
The result of the testing was: fat clay with no more then 10 percent grog, with no bigger particles than one mm, was the best to use with burlap.