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Evaluation of Dispersion Potential for Some Problem Soils in Central Myanmar

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Evaluation of Dispersion Potential for Some Problem Soils in Central Myanmar

Khin Win Nwe | Nyan Myint Kyaw

Khin Win Nwe | Nyan Myint Kyaw "Evaluation of Dispersion Potential for Some Problem Soils in Central Myanmar" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: http://www.ijtsrd.com/papers/ijtsrd15694.pdf

Dispersive soils which occur in central region of Myanmar are easily erodible and serious problem of stability of embankments, earth dams, earths and earth retaining structures. These soils are found in regions where the annual rainfall is less than 800 mm. Dispersive soil is structurally unstable and the presence of dispersive soil is indicated by occurrence of erosion gullies, sink holes, spew holes and piping. In some parts of the central Myanmar, dispersive soils have to be used for construction purpose since no other soil material is available. Dispersion only occurs in non-saline or rain water. If dispersive soils have been used in the construction of earth-dams and embankments, serious piping and failures are occurred. In Myanmar, some problems are found in central region of Myanmar. The study soil is investigated by emersion test in field and then physical tests are done in Yangon Technological University and chemical tests are done in Irrigation and Management of Water Utilization Department in Myanmar. According to these tests results, most of the study soils are dispersive. This paper presents the results of study soils, soil structural problems along Yangon-Mandalay Express Way, dispersive potential rating for the study soils and the correlation between Exchangeable sodium percentage (ESP) and Atterberg’s limits.

Atterberg’s Limit Test, Exchangeable sodium percentage (ESP), Cation exchange capacity (CEC)


Volume-2 | Issue-4 , June 2018

2456-6470

IJTSRD15694