Research Article
An Experimental Study on the Geotechnical, Mineralogical, and Swelling Behavior of KPK Expansive Soils
Table 5
Percent Rp values of minerals identified in Karak, Kohat, and D.I. Khan soils.
| Minerals species | Karak | Kohat | D.I. Khan | Experimental peak (Rp %) | Experimental peak (Rp %) | Experimental peak (Rp %) |
| Montmorillonite | 8.9 | 7.0 | 6.3 | Nontronite | 6.4 | 1.0 | 5.8 | Kaolinite | 9.0 | 2.9 | 4.3 | Illite | 7.5 | 1.7 | 5.9 | Palygorskite | 20.0 | 3.7 | 7.5 | Quartz | 1.9 | 0.4 | 1.5 | Calcite | 3.1 | 0.4 | 1.5 |
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