Improvement of Alluvial Soil by Mixing With Rice Husk Ash | |
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( Volume 3 Issue 5,May 2017 ) OPEN ACCESS | |
Author(s): | |
Abhishek Mondal, Joyanta Maity, Arghyakamal Bhattacharya | |
Abstract: | |
Rice Husk Ash (RHA) is an industrial waste generated from Rice-mill. It being very light weight, has a chance of transportation by wind and hence creates a disposal problem. It can be collected and utilised in some geotechnical improvement works if it is mixed with clay in proper quantities. As the available soil near construction site does not reach the required specification for the construction of pavements it requires an efficient and economical method to improve the soil properties. Several methods of soil improvements have been developed and in this study rice husk ash have been used for the stabilization of soil. Alluvial deposit of Hooghly River collected from Chinsurah has been used as the test material in this study where as Rice Husk Ash were collected from locally available Rice Mill around Kolkata. This paper aims in finding out the improvement of various geotechnical parameters upon application of RHA. California Bearing Ratio (CBR), Maximum Dry Density (MDD), Optimum Moisture Content (OMC) are the three major parameters which has been studied for its variation with change in RHA content. Hooghly river deposit has been used as the test material. It was found that the CBR value increases with increase in RHA content whereas the MDD decreases with increase in RHA content and OMC increases with increase in RHA content. |
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