Author(s): Dr. H S Prasanna, Harshitha D, Krishna Singh D, Suhruth S
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 06 , June - 2017
Soil compaction is a vital part of the construction process. It is used for support of structural entities such as building foundations, roadways, walkways, and earth retaining structures. Compaction requires significant time and effort. Hence, there is a necessity to predict of compaction characteristics of soils with the help of its correlation with index properties of soils which can be determined easily. In the present experimental work, six field soils have been selected from various locations in Karnataka. Index property tests were carried out on the soil samples as per BIS specifications. The soils were subjected to various compaction energy levels like Standard Proctor (SP), Reduced Standard Proctor (RSP), Modified Proctor (MP), and Reduced Modified Proctor (RMP) and the respective maximum dry density (MDD) and optimum moisture content (OMC) were determined. An attempt has been made to establish the correlation between compaction characteristics (OMC & MDD) of fine-grained soils for varying compaction energy levels with Liquid Limit, Plastic Limit and Shrinkage Limit using MLRA (Multiple Linear Regression Analysis) equations. It is observed that a good correlation exists between compaction characteristics of fine-grained soils with index properties of soils with a regression value ranging from 0.993 to 0.997. Hence it clearly says that compaction characteristics can be effectively predicted using Atterberg limits of soils, thus saving materials, time and money.
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