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The black cotton soils undergo excessive volume changes, making their use in the construction of civil engineering projects very difficult. Swelling soil always create problems more for lightly loaded structures than moderately loaded structures. By consolidating under load and changing volumetrically along with seasonal moisture and unequal settlement. As a result, damage to foundation systems, structural elements and architectural features defeat the purpose for which the structures are erected. The properties of the black cotton soils can be altered in many ways viz. mechanical, thermal and chemical means. Therefore, soil stabilization techniques are necessary to ensure the good stability of soil so that it can successfully sustain the load of the superstructure especially in case of soil which is highly active; also, it saves a lot of time. Attempts to study about such unpredictable behavior through research on how to bring these problems under control form the backdrop for this project work. Therefore, a number of laboratory experiments are conducted to ascertain host of soil engineering properties of a naturally available expansive soil before and after stabilization. Pre-and post-stabilized results are compared to arrive at conclusion that can thwart expansive soil problems.
Silica fume is a by-product from the production of elemental silicon or alloys containing silicon in electric arc furnaces. At a temperature of approximately 2000°C the reduction of high-purity quartz to silicon produces silicon dioxide vapor, which oxidizes and condenses at low temperatures to produce silica fume. The effect of randomly distributed silica fume on MDD, OMC, UCS and CBR has been discussed in this project. Jute fiber is combustible in nature.
The percentages of Silica fume by dry weight of soil was taken as 5%, 10%, 15% and 20%. The first series of compaction, CBR and UCS tests were conducted on the Expansive soil and the same tests were conducted in the second series on soil samples mixed with silica fume and similarly tests were conducted in the third series on soil samples mixed with Silica fume and natural fibre. Laboratory experiments favorably suggest that mixing silica fume and jute fibre and bamboo fibre with soil would be effective in improving soil properties.
Keywords:
Black cotton soil,Silica fume,Natural fibres
Cite Article:
"A STUDY AND STRENGTH PROPERTIES OF EXPANSIVE SOIL WHEN TREATED WITH SILICA FUME AND NATURAL FIBERS", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.9, Issue 10, page no.341 - 346, October-2024, Available :http://www.ijrti.org/papers/IJRTI2410036.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator