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The Effect of Sulphate Salts on The Collapsibility of | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 0, Issue 0, 2010, Pages 568-575 | ||
| Authors | ||
| Ban Abdul Adheem; Alyaa Ali Khudheyer; Yahya H. Jebur Al karagooly | ||
| Abstract | ||
| The research aims to study the presence effect of sulphate salts of ( Calcium, Magnesium, and Sodium ) in the ground water on the collapsibility of Kerbala gypseous soil with high gypsum content (27%). These types of salts are one of the main sources for ground water to be more salty. The recompacted soil samples at field unit weight ( 13.51 kN/m ) were prepared for each collapse test. Four different concentrations for each type of sulphate were added in each collapse test in addition to distilled water to predict the collapse potential for the gypseous soil. The soil sample soaked with distilled water only was denominated as the reference soil sample. The results showed that the presence of magnesium sulphate salt ( higher concentration of sulphate common ion for its high solubility ) depressed the gypsum solubility in the soil and had been achieved minimum value of C.P% as compared with the other used solution. 3 | ||
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