Frost heaving prevention structure for floor of refrigeration house

The utility model belongs to the technical field of construction of refrigeration house terraces, and particularly relates to a frost heaving prevention structure of a refrigeration house terrace. Comprising a plain soil layer (1), a backfill layer (2), a plain concrete layer (3), a first waterproof air-insulation layer (4), a heat preservation layer (5), a second waterproof air-insulation layer (6), reinforced anti-freezing concrete (7), a ventilation pipe (8), a connecting pipe (9) and a plug (10). A backfill layer (2) is arranged above the plain soil layer (1), a plurality of sections of ventilation pipes (8) are laid in the backfill layer (2), a plain concrete layer (3) is arranged above the backfill layer (2), a first waterproof and air-isolating layer (4) is arranged above the plain concrete layer (3), a heat preservation layer (5) is arranged above the first waterproof and air-isolating layer (4), a second waterproof and air-isolating layer (6) is arranged above the heat preservation layer (5), and the