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CLAY MINERALS EFFECTS ON ER – RASHYIDA SLIDE (STATION 39 +200 KM)ALONG IRBID – JERASH- AMMAN HIGHWAY | ||
| AL-TAQANI | ||
| Article 1, Volume 21, Issue 1, 2008, Pages 23-31 | ||
| Author | ||
| Mufid Al-Hadithi | ||
| Abstract | ||
| The failure in the studied area (station 39+200km) took take place in varicolored sandstone which is called kurnub sandstone of lower cretaceous. The common characteristics between these sediments are the presence of clay lenses which consist mainly of smectite. This indicatines that the sliding area is mainly related to swelling processes. The presences of smectite clay is the most important factor that brooked sliding. It imbibes water, infiltrated through the overlying friable and high permeable sandstone, to give the greatest expansion. The high swelling pressures of clay has resulted in the reduction of shear strength and disturbance the equilibrium in the slope forming cracks and finally leads to rupture. As a result and during the winter of 1993 the whole mass overlying the clayey layers was downslided | ||
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