Vibration-compressed air-vacuum combination foundation reinforcement system and method

The invention relates to a vibration-compressed air-vacuum combination foundation reinforcement system and method. The system comprises a vibrator, a vibration plate, a vacuum pipe and an air injection pipe. The vibrator is fixed on the vibration plate, so that a vibration system is constituted. The vibration plate is provided with a vacuum pipe connector and an air injection pipe connector, the vacuum pipe and the air injection pipe are connected with the vacuum pipe connector and the air injection pipe connector respectively through bolts and are placed at the bottom of the vibration plate, the upper end of the vacuum pipe is connected with a vacuum pump to constitute a vacuumizing system, and the upper end of the air injection pipe is connected with a high-pressure air pump to constitute a compressed air system. The method includes the following steps of resonance causing, soil liquidation, crack forming, drainage channel forming, vacuumizing for quick drainage and surface layer vibration compaction. According to the method, the construction period is short, quick liquidation, quick drainage and quick solidification are conducted through combination of vibration, air pressure and vacuum, and a site can be used immediately after being treated; the strength of the soil surface layer is improved soon, and construction can be carried out on the complex site where operating space is narrow and small.