细粒土分类
液限＜50%
无机土
PI ＞7且处在A 线及以上
CL 低液限黏土留在0.075mm 筛含量＜15%
Lean clay低塑性黏土砂子含量≥砾石含量
砂子含量＜砾石含量Lean clay with sand
含砂低塑性黏土
Lean clay with gravel 含砾低塑性黏土
4≤PI ≤7且处在A 线及以上
CL-ML
留在0.075mm 筛含量＜15%
Silty clay 粉质黏土砂子含量≥砾石含量
砂子含量＜砾石含量Silty clay with sand
含砂粉质黏土
Silty clay with gravel 含砾石粉质黏土PI ＜4或处在A 线以下
ML
留在0.075mm 筛含量＜15%
Silt 粉土砂子含量≥砾石含量砂子含量＜砾石含量Silt with sand
含砂粉土Silt with gravel 含砾石粉土液限≥50%
无机土
PI 处在A 线及以上
CH 重黏土
留在0.075mm 筛含量＜15%
Fat clay 重黏土砂子含量≥砾石含量
砂子含量＜砾石含量Fat clay with sand
含砂重黏土
Fat clay with gravel 含砾石重黏土
PI 处在A 线及以下
MH 塑性粉土
留在0.075mm 筛含量＜15%
Elastic silt 塑性粉土砂子含量≥砾石含量
砂子含量＜砾石含量Elastic silt with sand
含砂塑性粉土Elastic silt with gravel 含砾石塑性粉土通过200号筛(0.075mm)≥50%
留在0.075mm 筛含量＜30%
留在0.075mm 筛含量＜30%
15%≤留在0.075mm 筛上≤30%15%≤留在0.075mm 筛上≤30%留在0.075mm 筛含量＜30%
15%≤留在0.075mm 筛上≤30%15%≤留在0.075mm 筛上≤30%留在0.075mm 筛含量＜30%
留在0.075mm 筛含量＜30%
15%≤留在0.075mm 筛上≤30%
粗粒土分类
砾石土
砂含量＜15%砂含量≥15%砂含量＜15%
Well-graded gravel 级配优良砾石Well-graded gravel with
sand
级配优良含砂砾石
Poorly-graded gravel
级配不良砾石
砂含量＜15%砂含量≥15%砂含量＜15%
Well-graded gravel with silt 级配优良含粉土砾石Well-graded gravel with
silt and sand
级配优良含粉土和砂砾石
Well-graded gravel with
clay (or silty clay)
级配优良含黏土(或粉质黏
土)砾石
通过200号筛(0.075mm)＜50%
留在4号筛(4.75mm)＞50%
200号筛(0.075mm)通过率＜5%
级配良好砾石GW级配不良砾石GP
C u≥4且1≤C c＜3C u＜4并且或者1≤C c＜1 or C c＞3 200号筛(0.075mm)通过率在5-12%之间
液塑限=ML or MH
GW-GM
液塑限=CL or CH
(or CL-ML)
GW-GC
C u≥4且1≤C c＜3
砾石含量＜15%
砾石含量≥15%砂子含量＜15%砂子含量≥15%Sandy lean clay 砂质低塑性黏土Sandy lean clay with gravel 含砾石砂质低塑性黏土Gravel lean clay 多砾石低塑性黏土Gravel lean clay with sand 含砂多砾石低塑性黏土
砾石含量＜15%
砾石含量≥15%砂子含量＜15%砂子含量≥15%Sandy silty clay
多砂粉质黏土Sandy silty clay with gravel 含砾石砂质粉质黏土Gravelly silty clay 多砾石粉质黏土Gracelly silty clay with sand 含砂多砾石粉质黏土
砾石含量＜15%砾石含量≥15%砂子含量＜15%砂子含量≥15%Sandy silt
砂质粉土Sandy silt with gravel 含砾石砂质粉土Gravelly silt 多砾石粉土Gravelly silt with sand 含砂多砾石粉土
砾石含量＜15%
砾石含量≥15%砂子含量＜15%砂子含量≥15%Sandy fat clay
砂质重黏土Sandy fat clay with gravel 含砾石砂质重黏土Gravelly fat clay 多砾石重黏土Gravelly fat clay with sand 含砂多砾石重黏土
砾石含量＜15%
砾石含量≥15%砂子含量＜15%砂子含量≥15%Sandy elastic silt
砂质塑性粉土Sandy elastic silt with gravel 含砾石砂质塑性粉土Gravelly elastic silt 多砾石塑性粉土Gravelly elastic silt with sand 含砂多砾石塑性粉土
留在0.075mm 筛含量≥30%
砂子含量≥砾石含量
砂子含量＜砾石含量留在0.075mm 筛含量≥30%
砂子含量≥砾石含量
砂子含量＜砾石含量留在0.075mm 筛含量≥30%
砂子含量≥砾石含量
砂子含量＜砾石含量留在0.075mm 筛含量≥30%
砂子含量≥砾石含量
砂子含量＜砾石含量留在0.075mm 筛含量≥30%
砂子含量≥砾石含量
砂子含量＜砾石含量
砂含量≥15%
Poorly-graded gravel
with sand
级配不良含砂砾石
砂含量≥15%砂含量＜15%砂含量≥15%砂含量＜15%
Well-graded gravel with clay and sand(or silty clay and sand)级配优良含黏土和砂(或粉质粘土和砂)砾石Poorly-graded gravel with silt 级配不良含粉土砾石Poorly-graded gravel with silt and sand 级配不良含粉土和砂砾石Poorly-graded gravel with clay (or silty
clay)
级配不良含黏土(或粉质黏土)砾石
良砾石GP
并且或者1≤C c ＜1 or C c ＞3
液塑限=CL or CH (or CL-ML)GW-GM GW-GC
C u ＜4并且或者1≤C c ＜1 or C c ＞3
=CL or CH (or CL-ML)W-GC 液塑限=ML or MH
