The Importance of Bridge Health Monitoring

The Importance of Bridge Health Monitoring
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桥梁健康监测的重要性

DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
C. Phromsorn
C. Phromsorn
中科院分区：
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文献类型：
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作者：
P. Chupanit;C. Phromsorn

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过去，由于缺乏桥梁结构承载力信息，造成了许多桥梁的垮塌。混凝土桥梁的健康状况大多依赖于目测信息，有时目测信息是不充分的。本研究旨在探讨桥梁结构状况与桥梁视觉状况之间的关系。这项研究是泰国公路部进行的一个大项目的一部分。本研究选取31座桥梁进行目测和荷载试验，包括板型桥梁、b型板梁桥、预应力箱梁桥、预应力工字梁桥和预应力多梁桥。结果表明，桥梁外观与桥梁承载能力呈正相关。然而，统计特征显示它们之间的相关性较低。关键词：桥梁；目测；载荷试验
In the past, there were many bridge’s collapses due to lack of bridge structural capacity information. Mos t of concrete bridge health was relied on information from visual inspection, which sometime was inadequate. This study was conducted i n order to investigate relationship between bridge structural condition and bridge visual condition. This study was a part of a big project conducted at Department of Highways of Thailand. In this study, 31 bridges including slab-type bridges, plank-girder b ridges, prestressed box-beam bridges, prestressed I-girder bridges and prestressed multibeam bridges were selected for visual inspection an d load test. It was found a positive correlation between bridge appeara nce and bridge’s load carrying capacity. However, statistical charac teristic revealed low correlation between them. Keywords—Bridge, Visual Inspection, Load Test, Condition Rating, Rating Factor