[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： TFYTvUn  
根据土颗粒组成： oBNX8%5w
 
巨粒类土、粗粒类土、细粒类土。 V>jhGf  
1 来源 $7DcQ b9  
根据国家标准： PSf5p\<5  
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。 $n#Bi.A j  
1 来源 DMcxa.Sd!  
根据土方开挖难易程度： 'bI~61{A  
土石分为八类：松软土、普通土、坚土、砂砾坚土、软石、次坚石、坚石、特坚石。 [kuVQ$)  
来源 }B9
~X  
根据地质成因： -6~y$c&c  
岩石分为岩浆岩、沉积岩和变质岩。 {29S`-|P  
1 来源 1.95 ^8  
鉴定方法： H~dHVQtJZ  
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。 /sT ^lf=  
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