Evaluation of RBI Grade 81 for Stabilization of Expansive Soil as Sub-grade Material

Most of the area in Southern part of Gujarat state and about one-third area of India are covered by the expansive soil popularly known as black cotton soil have high clay contents. To utilize this expansive soil in an effective way, proper treatment is required to improve the behavior of this soil a...

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Bibliographic Details
Main Authors: Kumar, Kishor, Solanki, Amitkumar J.
Format: Conference Proceeding
Language:English
Subjects:
Engineering Properties
Expansive soil
RBI Grade 81
Stabilization
Sub-grade
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Summary:Most of the area in Southern part of Gujarat state and about one-third area of India are covered by the expansive soil popularly known as black cotton soil have high clay contents. To utilize this expansive soil in an effective way, proper treatment is required to improve the behavior of this soil as sub-grade. In the present study, an attempt is made to modify the engineering properties of the expansive soil available in SVNIT campus of Surat city, Gujarat by stabilizing it with RBI Grade 81. The effect of adding this chemical stabilizer in expansive soil are characterized through various laboratory tests to determine Consistency Limits, Compaction Characteristics, Free Swell Index, Unconfined Compressive Strength, and California Bearing Ratio. The laboratory investigations indicate that RBI Grade 81 with up to 5% optimizes the engineering properties of expansive soil to be used as sub-grade.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2017.06.258