Explosion air hammer device and method for sounding or dynamic compaction

The invention provides an explosion air hammer device and method for sounding or dynamic compaction, and relates to the technical field of geotechnical engineering.The explosion air hammer device comprises a base, and an explosion air hammer, a distance sensor and a fuel supply system are installed on the base; the explosion air hammer comprises an air hammer cylinder, an air hammer piston, an air hammer piston rod and an air hammer spring, a cylinder cover of the air hammer cylinder faces upwards, the air hammer piston divides the air hammer cylinder into an upper cavity and a lower cavity, the lower end of the air hammer piston rod is connected with a hammer head, and a pressure sensor is arranged between the lower end of the air hammer piston rod and the hammer head; the fuel supply system is communicated with an upper cavity of the air hammer cylinder, an igniter is further installed on a cylinder cover of the air hammer cylinder, the fuel supply system, the distance sensor, the igniter and the pressure s