Abstract
Urbanization has increased the burden on land resources. Artificial island construction has been proven as an effective method for addressing these land resource problems; however, few studies have been conducted on the safety of sea reclamation construction. This paper proposes a systemic approach to the complete safety management process in sea reclamation engineering, including safety system design, analysis, control, and assessment, using the Sanya Sea Reclamation Airport, Hainan Province, China, as a case study. A total of 145 steel cylinders must be vibrated and sunk into the seafloor to create a 9 km quay wall. Owing to their large size, the steel cylinders have been divided into different segments, and an assembly jig is employed to ensure a safe production process. Considering the hazardous working environment in sea reclamation construction, a numerical analysis is conducted to investigate the safe repertory of these steel cylinders and verify the reliability of the selected scheme for their transportation. Finally, control measures are adopted to ensure a safe vibration and sinking procedure for the steel cylinders. The proposed approach could be used to provide safety management guidelines for artificial island engineering and construction.
Highlights
Owing to the rapid increase in urbanization and urban sprawl, the area of land available to address the myriad needs of large urban centers has been decreasing; the development and utilization of marine space have attracted considerable attention in recent years
According to the reasonable countermeasures adopted based on the numerical simulation analysis, which was conducted with a set of valid assumptions, the steel cylinder vibration and sinking process were accomplished on schedule. ese results indicate that the steel cylinder transportation, vibration, and sinking were stable
The safety management of sea reclamation construction has raised widespread concerns owing to its close relationship with the issues of public safety, in the process of steel cylinder vibration and sinking
Summary
To alleviate the problem of increasing urban space volumes, artificial islands are being used widely and increasingly as they have little impact on the marine and coastal environments. In this sense, quay walls play a crucial role in sea reclamation construction. An increasing number of studies have focused on safety management in marine engineering. Previous studies have demonstrated independent safety management approaches in marine engineering, but their consideration of steel cylinders in marine construction is limited. Erefore, a comprehensive methodology of the overall safety management process in sea reclamation engineering must be developed to fill this research gap. To achieve successful steel cylinder vibration and sinking, a systemic approach for the complete safety management process is proposed, including safety system design, analysis, control, and evaluation. e results of this study could be used to provide guidelines for safety management in artificial island engineering and construction
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