文章基本信息

标题：Structural and Running Safety Assessment of the Handling and Distributing System in Automated Container Terminal Considering Container Vehicle-Truss Bridge Coupled Vibration
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作者：Lu Kai-liang ; Yan Wei ; Ye Hao 等
期刊名称：International Journal of Security and Its Applications
印刷版ISSN：1738-9976
出版年度：2013
卷号：7
期号：4
出版社：SERSC
摘要：This paper introduces a scheme of constructing a three-dimensional container handling and distributing system between crane yard and storage yard for the efficient, smart, energy-saving automated container terminal (ACT). This scheme can effectively solve the problem that the AGVs in existing ACT should give way to each other in ground planer transportation mode, and has advantages of lower investment cost higher handling efficiency. The safety and running stationarity of the container vehicle-truss bridge structure greatly affects the ACT's efficiency and lifespan. The assessment criteria for structural security and running stationarity was put forward first. By utilizing free-interface component mode synthesis (CMS) method, the coupled vibration time-domain responses, inspired by self-excitation including track irregularity and hunting movement as well as wind and seismic load, were obtained. Accordingly, the structural and running stationarity were assessed by indicators such as deflection-span ratio, vibration acceleration, wheel-rail relative displacement, suggesting a speed threshold of container vehicle under seismic and operational wind loads. The simulation and model test results also validate lead rubber bearing (LRB)'s effects on vibration isolation and absorption, thus can increase ground motion intensity and vehicle speed thresholds to structural safety
关键词：Automatic Container Terminal; Container Vehicle-Truss bridge Coupled ;Vibration; Structural Safety Assessment; Running Safety Assessment; Free-interface ;Component Mode Synthesis; Model Test