Abstract
Tower crane accidents frequently occur in the construction industry, often resulting in casualties. The utilization of tower cranes involves multiple phases including installation, usage, climbing, and dismantling. Moreover, the hazards associated with the use of tower cranes can change and be propagated during phase alternation. However, past studies have paid less attention to the differences and hazard propagations between phases. In this research, these hazards are investigated during different construction phases. The propagation of hazards between phases is analyzed to develop appropriate safety management protocols according to each specific phase. Finally, measures are suggested to avoid an adverse impact between the phases. A combined method is also proposed to identify hazard propagation, which serves as a reference and contributes to safety management and accident prevention during different tower crane phases in the construction process.
Highlights
In construction sites, tower cranes are used for the vertical and horizontal transportation of materials [1]
149 accident analysis reports on a tower crane in construction sites in China were collected for the period from 2015 to 2019. e accidents resulted in a total of 216 deaths and 89 injuries and led to adverse social impacts
System eoretic Process Analysis (STPA) is utilized for system hazard analysis, whereas Causal Analysis based on STAMP (CAST) is utilized for accident cause analysis [32]
Summary
Tower cranes are used for the vertical and horizontal transportation of materials [1]. Erefore, it is essential to analyze the hazards associated with the deployment of tower cranes on construction sites to prevent such accidents. According to the investigated accidents, the processes and constructors are not the same for the different construction phases. Erefore, it is necessary to analyze the hazards associated with each construction phase and to explore the differences and interrelations between them. To investigate the characteristics and propagation of hazards during the different construction phases of a tower crane, a combination of the IDEF0 (ICAM Definition method) along with the STAMP (Systems- eoretic Accident Model and Processes) and its analysis technology STPA (System eoretic Process Analysis) is adopted. 2. Literature Review e literature review is summarized based on previous studies that primarily investigated tower crane safety management and different research methods, namely hazard analysis.
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