Table 12-2 Plasticity index of various texture soils (moisture content %) The The plastic The liquid plasticity limit limit index Clay 23~30 41~50 18~20 Clay loam 16~22 28~40 12~17 Loam 10~15 17~27 Sandy loam <16 Sand 0 0 0Table 12－2 Plasticity index of various texture soils（moisture content ％） The plastic limit The liquid limit The plasticity index Clay Clay loam Loam Sandy loam Sand 23～30 16～22 10～15 <10 0 41～50 28～40 17～27 <16 0 18～20 12～17 7～12 <7 0