The construction and management of airport asphalt pavement project has the characteristics of large construction scale, high technology, many professionals involved, and high quality requirements. The traditional monitoring and management method that relies on manual on-site inspections and records is vulnerable to many factors such as environmental conditions and the ability of the implementer. It is difficult to ensure real-time monitoring of construction quality and data backtracking. With the rapid development of various advanced technologies such as global navigation satellite system(GNSS), geographic information system(GIS) and internet of things(IoT), digital construction monitoring and management technology for airport asphalt pavement has emerged as the times require. Digital construction technology is implemented through professional testing equipment, data collection, data integration, and system installation. It covers the entire construction process of airport asphalt pavement from the background management of the mixing plant, the transportation management of vehicles to the field management of paving and compaction. The technology monitors the construction quality, guarantees the construction progress, improves management efficiency, and saves costs, which has great social and economic benefits.
The traditional monitoring means of airport asphalt runway construction has problems such as irregular construction operation, unreliable process control and unscientific quality assessment. To meet the higher requirements of runway construction quality monitoring process, this paper analyzes the mechanized asphalt pavement construction process and the root causes affecting the construction quality, researches the application of Internet of Things (IoT) technology in asphalt pavement mechanized construction monitoring information system, and also develops the overall structure design of asphalt pavement monitoring system based on IoT technology, completes the development of a remote monitoring system based on the Web through serial communication, network protocol and database design. Finally, the system was analyzed in the test results of the west runway overhaul project of Capital International Airport. The results showed that the system has good hardware seismic resistance, good data integrity and real-time performance, and high reliability. The active and effective use of the airport asphalt runway construction management system can reflect the runway construction process comprehensively, while it is important to promote the traditional construction monitoring to advanced automated real-time process monitoring and management.
Through the development of computer image processing technology and UAV technology, after installing high-definition cameras on UAVs and taking high-resolution images, the technology of directly generating DOM images in the surveyed areas using software has been well-developed. However, under the emergency conditions such as dealing with disasters, the long-term processing time required for aerial surveys of UAVs has become a major efficiency constraint to surveying and mapping. This paper focuses on the rapid mapping and mosaicking of survey images from unmanned aerial vehicles under emergency conditions, and elaborates current research status, difficulties and resolvents of the rapid mapping of existing UAVs.
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