SIEVE ANALYSIS 



HYDROMETER ANALYSIS 



Size of opening in inches 



Number of mesh 

 (U. S. Standard) 



Grain size in mm. 



100 

 90 

 80 

 70 

 60 

 50 

 40 

 30 

 20 

 10 



1" 3/8" 4 



10 20 40 60 100 200 .05 .02 .01 



.002 .001 













































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V 



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O 





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k \ 



























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Figure 6. --Gradation curves ,-3/8" materials. 



Table I. --Site descriptions 



Site 



Failure type and/or description 



917-1 



917-2 



917-3 



917-4 



917-5 



917G-1 



917H-1 



917H-2 



917H-3 



977-1 

 977-2 

 977-3 

 977-4 



Embankment section in small gully, not a failure 



Cut-bank slough deposit in roadside ditch 



Incipient fill-slope failure 



Cut-slope failure 



Alluvial deposit in streambed 



Combination fill- and cut-slope failure 



Fill-slope failure and incipient fill-slope failure 



Fill-slope failure 



Cut-slope failure, may also be considered natural-slope 



failure 

 Natural-slope failure 

 Fill-slope failure 



Cut-bank slough deposit, saturated by natural spring 

 Alluvial deposit on road surface 



