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Incorporating the Site Variability and Laboratory/In-Situ Testing Variability of Soil Properties in Geotechnical Engineering Design
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2023-08-01
[PDF-11.61 MB]
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Edition:Final Report July 2017 – March 2022
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Abstract:The properties of geomaterials usually vary from one location to another within the same site, in both the vertical and horizontal directions. The variability of soil properties is a complex phenomenon that results from several sources of uncertainties, including inherited spatial variability, measurement error, statistical error, and model bias error. This study aimed at investigating the different methods and techniques used to evaluate the spatial variability of soil properties; the different sources of geotechnical variability; quantifying the variability of soil properties for inclusion in analysis; and design of different geotechnical engineering applications. This included conducting in-box tests and field tests on constructed sections at the Accelerated Load Facility (ALF) site and under-construction sections from different projects using different devices, such as Dynamic Cone Penetrometer (DCP), Light Falling Weight Deflectometer (LFWD), and Geogauge.
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