An Experimental Study On Stabilization Modification Of Locally Available Expansive Soil Using Industrial Wastes - Info and Reading Options

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Expansive soils are produced from the break down of basic igneous rocks where seasonal variation of weather is extreme. In India, these soils are normally derived from the weathering of basalt rocks. Also, these soil deposits are derived from various other types of rocks including very old sedimentary depositsin the present research, an attempt has been made to study the stabilization of the local soils high and low expansive having low bearing strength from two different parts of Bhopal by mixing independently with dolochar and fly ash plentily available in Bhopal in the proportions from 5 up to 30 by dry weight of the mixture with increment of 5 with and without lime The experimental programme conducted in this study is comprised of index tests, compaction tests, shear tests, unconfined compressive strength tests, CBR tests and consolidation tests in conformity with approved standards on soil alone and also on stabilised soils to evaluate their individual swelling, compaction, strength, compressibility and drainage characteristics. With addition of fly ash or dolochar, the L.L. and P.I. of soils gradually decreases with the increase of fly ash or dolochar contents. Maximum decrease is observed at 30 fly ash or 30 dolochar content Addition of fly ash or dolochar decreases the free swell index FSI of soil, maximum decrease being observed at fly ash or dolochar content of 30 . Addition of lime to the above mixtures, reduces FSI further. The FSI of soil 1 with 30 fly ash or dolochar content is reduced by 100 and 85 for soil fly ash and soil dolochar mixture respectively at 4 lime content. CBR of soil fly ash or soil dolochar increases with the increase of fly ash or dolochar content. The maximum increase being observed at 30 fly ash or dolochar content. At 30 fly ash content, the 4 days soaked CBR of soil 1 and soil 2 increase by 126 and 117 respectively, whereas, the 4 days soaked CBR of soil 1 and soil 2 at 30 dolochar content increase by 154 and 163 respectively. Sakshi Jaiswal | Prof. Nitesh Kushwah "An Experimental Study on Stabilization/Modification of Locally Available Expansive Soil using Industrial Wastes" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-5 , August 2021, URL: https://www.ijtsrd.com/papers/ijtsrd43834.pdf Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/43834/an-experimental-study-on-stabilizationmodification-of-locally-available-expansive-soil-using-industrial-wastes/sakshi-jaiswal

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