Table 2.

Fuzzy classification and nomenclature of the fine-grained soil samples evaluated in the study

Sample numberLL (%)Ip (%)Crisp soil classes on the plasticity chartFine-grained soil classes obtained by using different fuzzy operators
minmaxprodprobor*
93612CLCH(0.5,0)ML(0.5,1)CH(0.25,0)ML(0.75,1)
103614CLMH(0.2,0)CL(0.8,1)MH(0.16,0)CL(0.84,1)
144011MLCH(0.1,0)ML(0.9,1)CH(0.09,0)ML(0.91,1)
154117CLMH(0.27,0)CL(0.73,1)MH(0.2,0)CL(0.8,1)
194611MLCH(0,0.02)ML(1,0.98)CH(0,0.02)ML(1,0.98)
274931CLMH(0,0.27)CL(1,0.73)MH(0,0.2)CL(1,0.8)
285024CL–CHML(0.2,0.5)CH(0.8,0.5)ML(0.16,0.25)CH(0.84,0.75)
295021ML–MHCL(0.27,0.5)MH(0.73,0.5)CL(0.2,0.25)MH(0.8,0.75)
446327MHCL(0.05,1)MH(0.95,1)CL(0.05,0)MH(0.95,1)
607641MH–CHCL(0.5,0)MH(0. 5,1)CL(0.25,0)MH(0.75,1)
759249MHCL(0.06,0)MH(0.94,1)CL(0.05,1)MH(0.95,1)
998847MHCL(0.12,0)MH(0.88,1)CL(0.11,0)MH(0.89,1)
1078240MHCL(0.02,0)MH(0.98,1)CL(0.02,0)MH(0.98,1)
  • * The ‘probor’ fuzzy operator is suggested for use in the fuzzy classification routine proposed in the present study; fine-grained soil classes obtained by using the ‘probor’ fuzzy operator are given in italic.