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首页> 外文会议>Third International Conference on Earthquake Resistant Engineering Structures ERES Ⅲ, 3rd, Sep, 2001, Malaga >Masonry bridge with five long span arches: computer modelling analysis of failures and repairs
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Masonry bridge with five long span arches: computer modelling analysis of failures and repairs

机译：具有五个大跨度拱的砌体桥梁：故障和维修的计算机建模分析

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摘要

Within the framework of research on vaulted structures, this study proposes a structural analysis of a special case study: a 19~(th) century five-arch masonry bridge (fig. 1) on the Cervo torrent near Buronzo (Vercelli) in Italy. Thanks to careful surveys and the retrieval of the original design project, it proved possible to work out a mathematical model able to take into account the different structural elements that were typical of late 19~(th) century masonry bridges: foundations, piers, abutments, arches, tympanums and filling. A step-by-step analysis made it possible to eliminate from the masonry the zones in tension and work out a reliable model, so as to gain an understanding of the real structural behaviour of the bridge, both in its original configuration (before and after the damaging phenomena), and following the interventions performed over time to strengthen the bridge and to adapt it to the new requirements arising from vehicle traffic.
机译：在拱形结构研究的框架内，本研究提出了一个特殊案例研究的结构分析：位于意大利Buronzo（Vercelli）附近的Cervo山洪上的19世纪（5）世纪五拱砌石桥（图1）。得益于仔细的调查和对原始设计项目的检索，事实证明有可能建立一个能够考虑到19世纪末砖砌桥梁典型的不同结构元素的数学模型：基础，桥墩，桥台，拱门，鼓膜和填充物。通过逐步分析，可以消除砖石结构中受拉的区域并建立可靠的模型，从而了解桥梁在其原始配置中（前后）的实际结构行为。损坏现象），并随着时间的推移进行干预，以加固桥梁并使之适应车辆交通带来的新要求。

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