Patent ID: 11946845
Assignee: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The method for determining the three-dimensional tortuosity of the loose and broken rock-soil mass as claimed in claim 1, wherein the porosity ϕ of the loose and broken rock-soil mass is expressed as follows:, ϕ
   =
   
    1
    -
    
     ρ
     
      
       G
       S
      
      ⁢
      
       
        ρ
        W
        
         4
         ⁢
         °
         ⁢
            
         
          C
          .
         
        
       
       (
       
        1
        +
        ω
       
       )
      
     
    
   
  
  ;
 

wherein ρW4° C. represents a density of pure distilled water at 4° C.; ρ represents a density of the loose and broken rock-soil mass; ω represents a mass water content of the loose and broken rock-soil mass; Gs represents a specific gravity of the loose and broken rock-soil mass.