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Title: A laboratory study on bearing capacity of treated stone column
Authors: Nazaruddin, A.T. 
Shakri, M.S. 
Hafez, M.A. 
Issue Date: 2013
Abstract: Stone column is the example of common treatment of soft soil. The allowable bearing capacity of column is depending on the shear strength surrounding area of soft soil while chemical stabilization is a process by mixing binders (cement or lime) with soft soil and modifying the mixture to the hard component and by this process; some of geotechnical properties can be recovered. Nowadays, many researchers start searching the new binders to replace or reduce the ratio use of lime and cement on soil stabilization to reduce construction costs and to reduce the impact of pollution on the environment. Since few years ago, many researchers started doing research on the use of fly ashes in their studies to improve soil strength and more research on the use on concrete were conducted to study the effectiveness of fly ashes on concrete mix. Fly ash is one of the Coal Combustion by-Product (CCP) produced every year with large amount worldwide. According to (ACAA 2009), USA itself has produced approximately 125.5 million tons per annual of CCP which almost 56 million tons of these waste by-products has been successfully employed in applications, but others still remain untreated. Pulverised Fuel Ash (PFA) is one of the type of fly ashes. Thus, through of this paper, A set of studies on the use of PFA on stone column have been conducted to test its effectiveness in improving the strength of stone column, particularly on bearing capacity. © 2013 ejge.
Appears in Collections:COE Scholarly Publication

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