APPLICATION OF ACOUSTIC DETECTION IN CONFIRMING THE DETACHMENT AREA OF MUD PLASTERS

A new method-acoustic detection is put forward in confirming the detachment area of mud plasters in the protection project of the historic relics. Through launching sound wave to medium with manual shaken method, and receiving the modulated sound wave including its physical characteristic at a distance, we can confirm the detachment area of mud plasters after observing and analysing the speed among different medium. Thereby, we offer the reliable geological information for protecting the murals. So, this method has its certain effect.