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A046 Z-99 Resistivity Imaging for Mapping of Quick Clays for Landslide Risk Assessment Introduction 1 T. DAHLIN 1 V. LEROUX 1 R. LARSSON 2 and K. RANKKA 2 1 Engineering Geology Lund University Box 118 S-221 00 Lund Sweden Quick clay in Sweden is defined as clay with a sensitivity of 50 or more and fully remoulded shear strength of less than 0.4 kPa (Karlsson and Hansbo 1989). The sensitivity is the relation between the undisturbed and the fully remoulded undrained shear strength. The only reliable method for the detection of quick clay used so far in Sweden has been