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Collapsibility of Gypseous Soils in Samarra Area / Iraq | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 14, Issue 2, 2009, Pages 197-201 | ||
| Author | ||
| K.A.A. Alhadad | ||
| Abstract | ||
| Gypseous soils in Samarra- Iraq present in gypseous zone located at a depth about (1,40-2,25)m ,the types of soils are inorganic clay silt, low plasticity. Gypsum content about (35%-85%), physical properties values (dry density, specific gravity, water content, porosity, and permeability) they are low, if it compare with non gypseous soils, gypsum dissolved by fresh water then causes an increase in physical properties values. Collapse potential values are (low-medium), water moisten causes settlement due to continuing water flow leaching which causes piping phenomena in gypseous soils, so walls, are cracked, then buildings may become destroyed completely. | ||
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