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Effect of Fly Ash Content on the Engineering Properties of Stabilized Soil at South-western Region of Bangladesh

Document Type : Technical Note

Authors

1 Department of Civil Engineering, Khulna University of Engineering & Technology, Khulna-9203, Bangladesh

2 Ex-Undergraduate Student, Department of Civil Engineering, Khulna University of Engineering & Technology, Khulna-9203, Bangladesh

Abstract

The main focus of this study was to investigate the effect of fly ash content on the engineering properties of stabilized soils. To these attempts, two different types of fly ash, inorganic silt and Portland cement were collected. In the laboratory, the fly ash content of 10. 20 and 30%; inorganic silt of 10, 20 and 30% as well as cement content of 10 was used to stabilize soils. Result reveals that Atterberg limit decreases in relation to the increasing of fly ash content in stabilized soil at varying mixing proportions of fly ash content in soil. The different values of compressive strength of stabilized soils obtained from fly ash of different brand cement. In addition, the stabilized soil with cement content showed the highest value of compressive strength, whereas, stabilized soil with inorganic silt provides lowest value. The result reveals that the optimum content of fly ash was 20 and 30% for elephant and seven rings cement, respectively. The soil with organic content of 16% showed highest value of compressive strength, while, soil with organic content of 12.5% showed lowest value. Furthermore, the stabilized soils with fly ash showed comparatively the higher values of compressive strength than that of stabilized soils with inorganic silt content.

Keywords

References
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Iranica Journal of Energy & Environment
Volume 9, Issue 3
October 2018
Pages 216-226
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