Arch dam surface hole water level monitoring system based on laser scanning technology and monitoring method thereof

The invention relates to the field of monitoring of environmental parameters of arch dam surface hole parts, and discloses a laser scanning technology-based arch dam surface hole water level monitoring system, which comprises a water gauge label, a handheld laser scanner and a data management system, and is characterized in that the water gauge label comprises a water gauge internally provided with a spraying bar code array, the water gauge is installed on the side wall of an arch dam surface hole lock chamber through a fixing device, the bar code array comprises a plurality of bar code sets which are vertically arranged side by side, and each bar code set comprises a water level main elevation bar code and a water level secondary elevation bar code. The invention further discloses a monitoring method of the laser scanning technology-based arch dam surface hole water level monitoring system. According to the laser scanning technology-based arch dam surface hole water level monitoring system and the monitoring