Volume 1, Issue 1, November 2016, Page: 9-23
Use of Coal Mine Dust as an Improved Subgrade Material in Road Construction
Md. Akhtar Hossain, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Md. Shahadul Islam, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Md. Rokibul Alam Rakib, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Received: Nov. 4, 2016;       Accepted: Nov. 21, 2016;       Published: Dec. 27, 2016
DOI: 10.11648/j.ajere.20160101.12      View  3896      Downloads  131
Abstract
Coal mining operation results in two general types of by-products. One is coarse coal refuse and another is fine coal refuse which is also termed as coal mine dust. In coal mine during the mining process a lot of coal mine dust produce. Proper disposal of this is a great problem. This research investigated on the use of nontraditional construction materials, specifically coal mine dust as an engineering material in subgrade of road construction. This investigation consist of performing laboratory tests to determine the engineering properties of the coal mine dust available at coal mine site. Along with the coal mine dust, local sand also used for improving the geotechnical properties of their mixture. MDD and CBR values were performed at first for coal mine dust and local sand sample alone and then for coal mine dust with sand in different proportions. Then the result is compared with the requirements of LGED, Bangladesh to find out the suitable samples for road sub-grade. So, according to the results found and “Road Pavement Design Manual-1999”, it may be recommended that 30% coal mine dust mixed with 70% sand would be suitable for road subgrade construction.
Keywords
Coal Mine Dust, Local Sand, Barapukuria Coal Mine Company Limited, Road Subgrade, Improved Subgrade
To cite this article
Md. Akhtar Hossain, Md. Shahadul Islam, Md. Rokibul Alam Rakib, Use of Coal Mine Dust as an Improved Subgrade Material in Road Construction, American Journal of Environmental and Resource Economics. Vol. 1, No. 1, 2016, pp. 9-23. doi: 10.11648/j.ajere.20160101.12
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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