Abstract
The reliability-based geotechnical design emerged with Eurocode 7 standards and is still popular. This paper studies the engineering properties of a model of Nasiriyah soil. It aims to calculate the distinctive value of Nasiriyah soil and describe the different identification methods for laboratory tests. Knowledge of the properties of engineering parameters is essential for accurate design, measurement methods, and geotechnical investigation, and the Eurocode 7 approach of the soil is essential for geotechnical design. Therefore data were collected, and the characteristic values were determined using statistical methods. Three project sites in Nasiriyah city were studied to determine the correlation of soil strength parameters and calculate the characteristic value based on Eurocode 7. The study results showed that the Marquez method and Schneider's equations give characteristic values with a 95% reliable and economical design within the measured data range, taking into account the average, coefficient of variation of the site, and the number of measured data. It is found that the most appropriate characteristic values of the soil of the studied sites are less than the mean by half a standard deviation.
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