The utility model discloses an experimental integral type operating mode analogue means of highway culvert centrifugal model, the device include bottom plate, high mount, a pair of scalable board, foundation model, experimental soil sample, counter weight device and culvert model, the bottom plate tiles in centrifugal separator mold box bottom surface, the elevation positioning frame is installed in the bottom plate top, the foundation model is placed on the bottom plate, place the foundation model top the culvert model, scalable board symmetry is installed on the bottom plate of foundation model both sides, the slope of scalable board is placed, be filled with experimental soil sample in the cavity of enclose between centrifugal separator mold box, bottom plate, a pair of scalable board, foundation model and culvert model, the counter weight device has been placed to the top of experimental soil sample. Test device simple structure, convenient operation need not frequently dismantle the equipment, can satisfy the experimental requirement of design highway culvert centrifugal model by high -efficient accurate, improves test efficiency and precision.