[热点探讨]岩土分类鉴定标准有哪些关键指标？ [复制链接]

岩土分类鉴定标准有哪些关键指标？

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岩土的分类和鉴定可以根据以下几个方面进行： @MoCEtt  
根据土颗粒组成： \VI0/G)L
 
巨粒类土、粗粒类土、细粒类土。 |}:q@]dC#  
1 来源 ;
Xqi;EA  
根据国家标准： `Fe/=]<$  
按照《建筑地基基础设计规范》GB50007-2001，岩土可分为岩石、碎石土、砂土、粉土、黏性土和人工填土。 bD3dT>(+  
1 来源 k2_y84;D  
根据土方开挖难易程度： T~SkFZ  
土石分为八类：松软土、普通土、坚土、砂砾坚土、软石、次坚石、坚石、特坚石。 %Wm)  
来源 a+CJJ3T-  
根据地质成因： ??|,wIRz  
岩石分为岩浆岩、沉积岩和变质岩。 ^^24a_+2  
1 来源 {zc*yV\  
鉴定方法： WP Gp(Xw  
参照美国ASTM土的统一分类法，使用摇振反应、光泽反应等方法进行土的鉴别。 PI9aKNt  
这些分类和鉴定方法有助于在岩土工程中进行有效的分析和应用。

粒径及含量