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BITUMINOUS - 14070_425
SOIL-CEMENT STABILIZATION - 14070_427

Engineering Aid 1 - Advanced Structural engineering guide book
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Table  18-2.—Guide  for  Selecting  a  Stabilizing  Additive these  characteristics  are  combined  with  certain 3) indicated at the intersection of the three material restrictions  relative  to  liquid  limit  (LL)  and  soil percentages are used to enter table 18-2 to select the type gradation contained in table 18-2, they provide guidance of stabilizing additive based on the various restrictions for   the   selection   of   the   additive   best   suited   for and remarks. For example, a soil having a PI of 15 and stabilization. Figure 18-1 is entered with the percentage 57-percent gravel, 26-percent sand and 7-percent fines of  gravel  (percent  material  retained  on  the  No.  4  sieve), sand (percent material passing the No. 4 sieve and fall in area 2B of figure 18-1. Table 18-2 indicates that retained  on  the  No.  200  sieve),  and  fines  (percent cement, lime, LCF, or bitumen could be considered. material passing the No. 200 sieve) to determine the area However, the PI of 15 eliminates bitumen, and the fact in which the soil gradation falls. The areas (1A, 2C, and that only 33 percent of the material passes the No. 4 18-4







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