Ceiling soundness evaluation mechanism and ceiling structure

摘要

PROBLEM TO BE SOLVED: To provide a ceiling soundness evaluation mechanism and a ceiling structure capable of reliably evaluating the soundness of a ceiling of a building while simplifying a device configuration without requiring a power source and reducing a construction cost. According to the present invention, a light emitting section (10) that emits light or colors by chemically reacting with a light emitting material when receiving an external force, a mounting section (20) for fixing the light emitting section to a wall (P) or a ceiling (Q), and a wall or a ceiling. A ceiling soundness evaluation, comprising: a pressing unit 30 which is provided and presses the light emitting unit to apply an external force to emit light or color when a relative displacement occurs between the wall and the ceiling. It is a mechanism. [Selection diagram] Figure 1