Waste slag accumulation body simulation test device

The utility model is suitable for the technical field of abandoned slag accumulation body simulation tests, and provides an abandoned slag accumulation body simulation test device which comprises a bottom plate, an abandoned slag accumulation assembly, a rainfall generation assembly, an excavation unit and a stress-strain measurement assembly, and the abandoned slag accumulation assembly comprises an abandoned slag accumulation body model; the precipitation end of the precipitation generation assembly is arranged above the waste slag accumulation body model and is used for precipitation towards the waste slag accumulation body model; the excavation unit comprises a first mechanical arm and an excavation piece arranged at the execution end of the first mechanical arm, and the excavation piece can excavate the slope toe of the waste slag accumulation body model under the action of the first mechanical arm; the stress-strain measuring assembly comprises a tester and a plurality of pressure sensors, sensing ends