Building structure suitable for underground gravity comparison test field

The utility model provides a building structure suitable for an underground gravity comparison test field, and relates to the technical field of engineering. The building structure is composed of an anti-seepage waterproof system, a load-bearing anti-deformation system and a use function system, the anti-seepage waterproof system integrates prevention, drainage, interception and blocking, and a plurality of defense lines are a clay seepage insulation layer, a waterproof curtain, an anti-seepage load-bearing wall, a water suction pump and an anti-seepage bottom plate; the load-bearing anti-deformation system comprises non-magnetic rib socketed piles, a non-magnetic rib concrete load-bearing platform, a plain concrete cushion layer, an anti-seepage bottom plate, an internal load-bearing wall, an anti-seepage load-bearing wall, a load-bearing top plate and a load-bearing beam, and the anti-seepage bottom plate and the anti-seepage load-bearing wall have anti-seepage, load-bearing and anti-deformation functions a