Supplementary Data for: Fully Softened Strength as a Substitute for Five Wet-Dry Cycles on Expansive Clay Slopes: Equivalence of System Response as a Function of Water Content and Surface Failure Conditions.

This dataset provides the complete numerical results and supporting technical data for the manuscript ID: water-4228638. The study evaluates the mechanical equivalence between the Fully Softened Strength (FSS) and the strength degradation after five wet-dry cycles in expansive clays, focusing on slope stability applications. The data were generated from laboratory direct shear tests, strength-envelope fitting procedures, and limit equilibrium slope stability analyses conducted on expansive clay samples from the Hefei River Diversion Project (K41+600, depth 2.0-3.0 m)