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http://iaeme.com/Home/journal/IJCIET 1989 [email protected] International Journal of Civil Engineering and Technology (IJCIET) Volume 9, Issue 13, December 2018, pp. 1989 1997, Article ID: IJCIET_09_13_200 Available online at http://iaeme.com/Home/issue/IJCIET?Volume=9&Issue=13 ISSN Print: 0976-6308 and ISSN Online: 0976-6316 © IAEME Publication Indexed Scopus THE EFFECT OF USING SAND COLUMN ON THE SWELLING CHARACTERISTICS OF EXPANSIVE SOIL Muhannd Waleed Majeed Lecturer, Water Resources Engineering Department, Mustansiryah University, Baghdad, Iraq Lubna Mohammed Abd Assist Lecturer, Environmental Engineering Department, Mustansiryah University, Baghdad, Iraq Aqeel Raheem Jabur Assist Lecturer, Civil Engineering Department, Mustansiryah University, Baghdad, Iraq Nameer Mohammed Ameen Engineer, Civil Engineering Department, Mustansiryah University, Baghdad, Iraq ABSTRACT Expansive soil is a soil that its volume changes according to the changing of moisture content, included in it. When the soil absorbs water this will lead to increase, its volume and vice-versa. The swelling,, of soil leads, to structural damage, such as kerbs ,swelling, cracking in borders and reinforced foundation and finally leads to deformation in floors and doors, these deformations, may be light, moderate and heavy, according to the value of swelling. In this research, the expansive soil "that is brought from the State Company, of Geological Survey and Mining " has initial plasticity index (PI) is (98), Liquid, limit (LL) is (160), and plastic limit (PL) is (62). In order to improve the properties of expansive soil, sand column was used with different, diameters (1cm,1.5cm and 2cm) with three sizes of sand (0.850mm, 1.18mm, 2.36mm), each sample done by three types diameter and three sizes of sand. The increasing of diameter, of sand column and size of sand used will decrease free swell and swell, pressure. Keywords: Stone column, Expansive soil, Free Swelling, Swelling pressure
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THE EFFECT OF USING SAND COLUMN ON THE SWELLING CHARACTERISTICS OF EXPANSIVE SOIL

Jun 29, 2023

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