American Journal of Science, Engineering and Technology
Volume 1, Issue 1, September 2016, Pages: 1-6
Received: Nov. 3, 2016;
Accepted: Nov. 18, 2016;
Published: Dec. 20, 2016
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Md. Akhtar Hossain, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Rayhan Mahamud, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Md. Rasel Rana, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Fly ash is a byproduct causes environmental pollution. Every year remarcable amount of ferming land is used for it’s disposal. But it has some geotechnical properties which we can use for civil engineering pueposes. The present study aims at development of specifications for use fly ash in road construction and their suitability in improved sub-grade of a road pavement. Laboratory proctor Test for MDD and CBR Test for CBR values were performed at first for fly ash and sand sample alone and then for fly ash with sand in different proportions. Then the result is compared with LGED, Bangladesh requirements to find out the suitable samples for road sub-grade. According to ROAD DESIGN STANDARDS, RURAL ROAD (2005) published by LGED and JICA- required CBR for improved sub-grade material for low and medium traffic road construction is 8%. In this study it is found that, upto 40% fly ash mixed with sand gives more than 8% CBR. So, at most 40% fly ash may be used as a supplement of sand for improved subgrade.
Md. Akhtar Hossain,
Md. Rasel Rana,
Use of Fly Ash as a Partial Supplement of Sand in Road Sub-grade, American Journal of Science, Engineering and Technology.
Vol. 1, No. 1,
2016, pp. 1-6.
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/
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ASTM (1989), “Annual Book of ASTM Standards”, Volume 04.08, Soil and Rock, Building Stones, Geo-textiles.
Carpenter, C. A., (1952). A comperative study of fillers in asphaltic concretes. Public Roads, 27(5):101-110.
Churchill. E. V., Amirkhanian, S. N., (1999). Coal as hutilization in asphalt concrete mixtures. Journal of materials in civil engineering, 11(4):295-301.
Das, B. M. (1998) “Principle of Geotechnical Engineering” 4th edition, PWS Publishing crop, USA.
Das, B. M. (1995). “Principle of Foundation Engineering” 4th edition, PWS Publishing Company, Boston.
Kumar S. C., Bendapudiand Saha P., (2011).― Contribution of Fly Ash to the Properties of Mortar and Concrete‖, International Journal on Earth Science & Engineering, ISSN 0974-5904, Volume 04, No 06 SPL, pp.1017-1023, October 2011.
LGED, The Technical Working Group (1999), “Road Pavement Design Manual”.
Liu, G. J., Zhang, Y., Qi, C., Zheng, L. G., Chen, Y. W., and Peng, Z. C., (2007). Comparative on causes and accumulation of selenium in the tree-rings ambient high-selenium coal combustion area from Yutangba, Hubei, China. Environmental Monitor in grand Assessment 133(1–3): 99–103.
Long, R. P., and Davis, D. D., (1999). Growth variation of white oak subjected to historic levels of fluctuating air pollution. Environmental Pollution 106(2): 193–202.
Sankaran, K. S., and Rao, D. R., (1973). The In fluence of the quality of filler in asphaltic paving mixtures. Indian Road Congress, 35: 141-151.
Tapkin, S. Improved asphalt aggregate mix properties by Portland cement modification. Can. J. Civ. Eng. 35: 27-40.
Yijin, L., Jian, Land Yingli, G., (2009)― EFFECTS OF FLY ASH ON THE FLUIDITY OF CEMENT PASTE, MORTARAND CONCRETE.‖, International workshop on sustainable development and concrete technology, Central South University, PRC, pp. 339-345.