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Causes of structural defects to bus rapid transit (BRT) facilities: Example of Xiamen BRT system

机译：公交BRT设施结构缺陷的原因：以厦门BRT系统为例

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摘要

Based on the health diagnosis data of structural defects in reinforced concrete components of Xiamen Bus Rapid Transit (BRT) system, this paper presents a principal component analysis (PCA) - based method to detect the causes of structural crack defects of BRT. The defect data are collected from the health diagnosis work on facilities of Xiamen BRT system, and is divided into six categories: a) aged structure, b) structural weight, c) weather-caused, d) external force, e) BRT operation and f) facility-use. The six dimensions of causes are mapped into the PCA model to calculate the contribution degrees - according to which, the causes of structural defects of BRT facilities are categorized and evaluated. Finally, the main reasons for the structural defects of the BRT system are weighted and discussed. (C) 2018 Elsevier Ltd. All rights reserved.
机译：基于厦门快速公交（BRT）系统钢筋混凝土构件结构缺陷的健康诊断数据，提出了一种基于主成分分析（PCA）的方法来检测BRT结构裂缝缺陷的原因。缺陷数据是从厦门BRT系统设施的健康诊断工作中收集的，分为六类：a）老化的结构，b）结构的重量，c）天气的原因，d）外力，e）BRT的操作和f）设施用途。将原因的六个维度映射到PCA模型中，以计算贡献度-从而对BRT设施的结构缺陷的原因进行分类和评估。最后，权衡和讨论了造成BRT系统结构缺陷的主要原因。 （C）2018 Elsevier Ltd.保留所有权利。

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