Abstract
Prefabricated buildings are widely used because of their green environmental protection and high degree of industrialization. However, in construction process, there are some defects such as small wireless network coverage, high-energy consumption, inaccurate control, and backward blind hoisting methods in the hoisting process of prefabricated components (PC). Internet-of-Things (IoT) technology can be used to collect and transmit data to strengthen the management of construction sites. The purpose of this study was to establish an intelligent control method in the construction and hoisting process of PC by using IoT technology. Long Range Radio (LoRa) technology was used to conduct data terminal acquisition and wireless transmission in the construction site. The Inertial Measurement Unit (IMU), Global Positioning System (GPS), and other multi-sensor fusion was used to collect information during the hoisting process of PC, and multi-sensor information was fused by fusion location algorithm for location control. Finally, the feasibility of this method was verified by a project as a case. The results showed that the IoT technology can strengthen the management ability of PC in the hoisting process, and improve the visualization level of the hoisting process of PC. Analysis of the existing outdated PC hoisting management methods, LoRa, IMU, GPS and other sensors were used for data acquisition and transmission, the PC hoisting multi-level management and intelligent control.
Highlights
In recent years, prefabricated buildings developed rapidly with the advantages of industrial component production, convenient site installation, and green construction environment [1]
This paper explored the integration of Inertial Measurement Unit (IMU) and multi-sensors and the real-time upload and feedback of on-site information through the Long Range Radio (LoRa) network, to strengthen the intelligent management of assembly building construction and hoisting
The example of the assembled floorYuan construction and hoisting was used includ construction area of the second stage of Jintang was 71,172.43 square meters, In this study, the example of the assembled floor construction and hoisting was used to analyze the practical application of the assembled floor construction and hoisting
Summary
In recent years, prefabricated buildings developed rapidly with the advantages of industrial component production, convenient site installation, and green construction environment [1]. Prefabricated building construction site has the challenges of backward construction management and a low level of visualization [2,3]. Dave et al [4] developed a communication framework based on the IoT, to strengthen lean construction management, and used tracking technology for Radio. Frequency Identification (RFID), GPS, and other key components of the IoT, to track the whole process status of workers, materials, and equipment. A high-precision, low-power digital pressure sensor for mobile phones, GPS navigation devices. Simulation to analyze the practical application of the assembled floor construction and hoisting. The to the practical application of the assembled floor construction and hoisting.
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