The utility model discloses a marshall specimen bores core device, the bracing piece is perpendicular with the bottom plate, and the lower extreme and the bottom plate of bracing piece pass through location structure and are connected, the cantilever is perpendicular with the bracing piece, and the one end and the bracing piece of cantilever are connected through a sliding construction, are equipped with a stop device on the sliding construction, the motor is connected with the cantilever through the 2nd sliding construction, is equipped with the 2nd stop device on the 2nd sliding construction, the motor is connected with rotational speed controlling means, is connected with a rotatory section of thick bamboo on the output shaft of motor, is connected with discharge apparatus on the rotatory section of thick bamboo, being equipped with on the bottom plate and being used for carrying out spacing limit structure to positioning die, positioning die is last to be equipped with the locationdrilling that is used for the disrotatory rotary drum to advance line location. The utility model is used for the sample of marshall specimen's brill core, the device can the accurate positioning cutting, and need not remove the cutting test piece, pushes down the convenient marshall specimen that takes out of T shape pole.