Loess structure collapsibility nondestructive testing device under hydro-thermal-mechanical coupling effect

The loess structure collapse nondestructive testing device under the water-heat-force coupling effect comprises a pressure chamber, a consolidation box, a loading unit and an electric heating unit, the pressure chamber is a closed cavity, and a water inlet and a water outlet are formed in the bottom of the pressure chamber and communicated with the interior of the consolidation box; the consolidation box comprises a pressurizing plate, a permeable stone, a cutting ring and a pottery clay plate, and a bending element transmitting end is mounted on the permeable stone and extends into the consolidation box; the cutting ring is arranged below the permeable stone right opposite to the permeable stone to form a consolidation box body; the argil plate is mounted below the cutting ring to form a consolidation box bottom plate, and a bending element receiving end is mounted on the argil plate and extends into the box; the loading unit is a loading rod penetrating through the top of the pressure chamber; the electric