Suitability of Bentonite Clay: An Analytical Approach
Earth Sciences
Volume 2, Issue 3, June 2013, Pages: 88-95
Received: Jun. 11, 2013; Published: Jun. 30, 2013
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Authors
Md. Abdullah Asad, Dept. of Civil Engineering, Stamford University Bangladesh, Dhaka 1217, Bangladesh
Shantanu Kar, Dept. of Civil Engineering, Stamford University Bangladesh, Dhaka 1217, Bangladesh
Mohammad Ahmeduzzaman, Dept. of Civil Engineering, Stamford University Bangladesh, Dhaka 1217, Bangladesh
Md. Raquibul Hassan, Dept. of Civil Engineering, Stamford University Bangladesh, Dhaka 1217, Bangladesh
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Abstract
Bentonite is a type of clay with a very high proportion of clay mineral montmorillonite, resulting from the decomposition of volcanic ash. With high plasticity, Bentonite is highly water absorbent and has high shrinkage and swelling characteristics. Bentonite slurry is often used to solve problems in the construction of borings or excavating trenches in water- saturated soils. Over time, the uses of bentonite spread into more current applications including papermaking tech-nology, cut-off walls, wastewater purification and even into different aspects of nano-technology because of nano-sizes of bentonite particles. Due to its vast engineering applications, it is of highly research interest. In this present study, an analyt-ical approach has been made to find a suitable bentonite sample from three different types of bentonite samples (China, Pakistan and India) by analyzing their engineering properties and economy as well. Finally, China Bentonite sample is found to be most suitable with good engineering properties and economy than other samples.
Keywords
Bentonite Clay, Suitability of Bentonite, Engineering Properties, Swelling, Economy
To cite this article
Md. Abdullah Asad, Shantanu Kar, Mohammad Ahmeduzzaman, Md. Raquibul Hassan, Suitability of Bentonite Clay: An Analytical Approach, Earth Sciences. Vol. 2, No. 3, 2013, pp. 88-95. doi: 10.11648/j.earth.20130203.13
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