Abstract
Defining relationships among the soil parameters and strength properties have become a popularresearch topic among the soil mechanics researchers in recent years. As conducting laboratory tests are quitetiresome and time-consuming, investigating interconnection and correlation among the soil parameters usingcollected data will help to understand and predict the characteristics of soil effortlessly. This research aims atstating regression and product moment correlation analysis between the strength parameters and indexproperties of the soils of Karnaphuli river tunnel project site. Around 120 borings were done in that site todetermine both the index and strength properties of the soil in the laboratories. In this paper, multiple linearregression analysis was developed for the cohesion and liquid limit along with the collected explanatoryvariables and correlation analysis was done to quantify the direction and strength of the linear association. Thisequation supports to adopt different characteristics of the soils of Karnaphuli River and additionally a statisticalsignificance of correlation among different soil parameters have also been unfolded. Finally, the equation iscompared with some of commonly used classical soil mechanics equation to determine the acceptability of thiscorrelation.Keywords: Index Properties, Strength Parameters, Regression Analysis, Correlation
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