CONCRETE VIBRATION APPLICATION TIMING DETERMINATION DEVICE, CONCRETE VIBRATION APPLICATION TIMING DETERMINATION METHOD, CONCRETE VIBRATION APPLICATION DEVICE, AND CONCRETE VIBRATION APPLICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a concrete vibration application timing determination device capable of easily and accurately determining the timing for applying vibrations to placed concrete.SOLUTION: A concrete vibration application timing determination device includes: a concrete contact member 10 that is brought into intimate contact with a surface CS of unhardened concrete C; a vibrator 20 that vibrates the concrete contact member 10 along the surface CS; a vibration detection part 61 that detects a vibrational state of the concrete contact member 10; and a vibration application timing determination part that determines the timing for applying vibrations to the concrete C, on the basis of the result of detection by the vibration detection part 61.