Study of Relationships Between Compaction Characteristics and Selected Index Properties of Soil
Journal: International Journal of Trend in Scientific Research and Development (Vol.8, No. 1)Publication Date: 2024-03-12
Authors : G. O. Adunoye;
Page : 559-564
Keywords : Compaction; correlation; index properties; maximum dry density; optimum moisture content;
Abstract
The cost and amount of time involved in carrying out compaction for mega construction projects have made it imperative to find quicker and cheaper methods of determining the compaction characteristics of soils. This study therefore aimed at studying the effects of index properties on compaction characteristics of lateritic soils, with the aim of developing empirical relationships between these properties. To achieve this aim, soil samples were collected from selected locations within Ife North Local Government Area, Osun state, southwest Nigeria. Preliminary, index property and compaction tests were conducted on the soil samples, using standard procedures. Using Microsoft Excel tool, the laboratory test results were used to develop relationships between compaction characteristics optimum moisture content and maximum dry density and index properties. Results of index property tests showed that the soils are excellent to good subgrade materials. The optimum moisture content ranged between 5.38 and 22.62 , while the maximum dry density ranged between 1648 kN m3 and 2150 kN m3. Regression analysis showed that, liquid limit LL and plastic limit PL had a good correlation with optimum moisture content for LL, R2 = 0.540 for PL, R2 = 0.50 plasticity index PI showed a strong correlation with optimum moisture content R2 = 0.810 . However, each of the index properties specific gravity, effective sizes, liquid limit, plastic limit and plasticity index showed a very weak correlation with maximum dry density. The study concluded that plasticity index could be used to estimate the optimum moisture content of the soils, by applying the developed equations. G. O. Adunoye "Study of Relationships Between Compaction Characteristics and Selected Index Properties of Soil" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63428.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/63428/study-of-relationships-between-compaction-characteristics-and-selected-index-properties-of-soil/g-o-adunoye
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