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<br /> <br />LABORATORY TESTS <br />SIGNIFICANCE AND PURPOSE <br />TEST SIGNIFICANCE PURPOSE <br />Caiifomia Usad to evaluate the potential strength of subgrade soil, Pavement <br />Bearing subbase, and base course material, including recycled Thickness <br />Ratio materials for use in road and airfield pavements. Design <br />Consolidation Used to develop an estimate of both the rate and amount of Foundation <br /> both differential and total settlement of a structure. Design <br />Direc! Used to determine the consolidated drained shear strength of Bearing Capacity, <br />Shear soil or rock. Foundation Design & <br /> Slope Stability <br />Dry Used to determine the in-place density of natural, inorganic, Index Property <br />Density fine-grained soils. Soil Behavior <br />Expansion Used to measure the expansive potential of fine-grained soil Foundation & Slab <br /> and to provide a basis for swell potential classification. Design <br />Gradation Used for the quantitative determination of the distribution of Soil <br /> particle sizes in soil. Classification <br />Liquid & Used as an integral part of engineering classification systems <br />Plastic Limit to characterize the fine-grained fraction of soils, and to Soil <br />Plasticity specify the fine-grained fraction of construction materials. Classification <br />Jndex <br />Permeability Used to 9etermine the capacity of sail or rock to conduct a Groundwater <br /> liquid or as. Flow Analysis <br /> Used to determine the degree of acidity or alkalinity of a soil. Corrosion <br />pH Potential <br />Resistivity Used to indicate the relative ability of a soil medium to carry Corrosion <br /> electrical currents. Potential <br /> Used to evaluate the potential strength of subgrade soil, Pavement <br />R-Value subbase, and base course material, including recycled Thickness <br /> materials for use in road and airfield pavements. Design <br />Soiub/e Used to determine the quantitative amount of soluble Corrosion <br />Sulphate sulfates within a soil mass. Potential <br /> To obtain the approximate compressive strength of soils that Bearing Capacity <br />Unconfined possess sufficient cohesion to permit testing in the Analysis <br />Compression unconfined state. for <br /> Foundations <br />Water Used to determine the quantitative amount of water in a soil Index Property <br />Content mass. Soil Behavior <br />l~~rr~cnn <br />