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  Volume 5, Number 1, January 2020 , pages 1-11

Lime addition chemical stabilization of expansive soil at Al- Kawamil city, Sohag region, Egypt
Ahmed Abdelraheem Farghaly, A. El-Shater, Mostafa Abdou Abdel Naiem and Fatma Hamdy

    Soil is the fundamental element in the construction process. Soil problems affect the safety of the structures, even so the high quality of the structures and so, bad soil found the structures will affect the lifetime or even destroy the structures built on it. Therefore, the study of soil is an important step in the construction process and the investigation of the most effective characteristics of a special kind of soil (shale soil), i.e. Atterberg limits, swelling pressure, swelling potential and unconfined compression strength, are the most effective soil properties. A big projects will be constructed in new urban extension areas with expansive shale soils, like at Al-Kawamil and new Akhmim shale soils which associated with soil problems, treatment system should be used to ensure the stability of the soil under the structures foundations one of the most effective methods is by adding lime solution to the soil by specific quantities, which affect on the properties of the shale soil by decreasing the swelling and increasing the compressive strength of the treatment soils. Experimenting with the soil added to the lime, it was found that the addition of lime solution 6% improve c j the properties of the soil. The results of the tests showed the high effectiveness of using lime in the treatment of Al-Kawamil soil.
Key Words
    expansive soil; hydrated lime; unconfined compressive strength; heave; swelling pressure; swelling potential; Egyptian code
Ahmed Abdelraheem Farghaly and Fatma Hamdy: Department of Civil and Architectural Constructions, Faculty of Industrial Education,
Sohag University, 8252, Egypt
A. El-Shater: Department of Geology, Faculty of Science, Sohag University, 82524, Egypt
Mostafa Abdou Abdel Naiem: Department of Civil Engineering, Faculty of Engineering, Assiut University, 71515, Egypt

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