Table 1 

 Cases and Times of Profile Surveys 



Number of Time of Profile Survey 

 Case No. Profiles hr 



0.22-mm Sand 



100 7 0, 1, 5, 12, 19, 25.5, 30 



110 8 0, 1, 3, 5, 12, 19.75, 25.5, 30 



200 13 0, 2, 4, 6, 8, 9, 14.5, 19.5, 23.5, 



28.5, 34.5, 40, 46 



300 10 0,1, 3, 5, 10, 15, 20, 30, 40, 50 



400 9 0, 1, 3, 5, 10, 15, 20, 30, 40 



500 15 0, 1, 3, 5, 10, 15, 20, 30, 40, 50, 



60, 70, 80, 90, 100 



510 17 0, 1, 3, 5, 10, 15, 20, 30, 40, 50, 



60, 70, 80, 90, 100, 110, 120 



600 10 0,1, 3, 5, 10, 15, 20, 30, 40, 60 



610 2 0, 0.75 



700 15 0, 1, 3, 5, 10, 15, 20, 30, 40, 50 



60, 70, 80, 90, 100 



0.40-mm Sand 



101 11 0, 1, 3, 5, 10, 12, 15, 19, 20, 



25.5, 30 



0, 1, 2, 3, 5, 10, 15, 20, 30, 40 



0, 1, 3, 5, 10, 15, 20, 30, 40, 50 



0, 1, 3, 5, 10, 15, 20, 30, 40, 50 

 60, 66 



0, 1, 3, 5, 10, 15, 20, 30, 40, 50, 60 



0, 1, 1.42, 3, 4.25, 5, 7.07, 10 

 12.73, 15, 20, 27.58, 30, 33.23, 40 



0, 1, 3, 5, 10, 15, 20, 30, 40, 50 



0, 1, 3.1, 6.2, 9.3, 12.4, 15.5, 

 23.8, 31, 34.1, 37.57, 40.3, 49.6 



911 12 0, 1, 3.1, 6.2, 9.3, 12.4, 15.5, 



24.8, 31, 34.1, 37.2, 40.3 



201 



10 



301 



10 



401 



12 



501 



11 



701 



15 



801 



10 



901 



13 



18 



