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首页> 外文会议>4th International Conference on Structural Dynamics Vol.1, Sep 2-5, 2002, Munich, Germany >Dynamic behaviour of roof of Congress Centre of Lucerne during Lothar storm of December 1999
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Dynamic behaviour of roof of Congress Centre of Lucerne during Lothar storm of December 1999

机译：1999年12月洛萨暴风雨期间卢塞恩会议中心屋顶的动态行为

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摘要

The most prominent feature of the Congress Centre of Lucerne is an almost quadratic roof of 112.7 m x 107.2 m with very large cantilevering portions. The roof is instrumented in order to monitor its full-scale performance and, in particular, the fatigue safety of the steel structure. The monitoring system computes and stores the maximum and minimum values of the measured quantities every 2 hours and plots their time histories every month. Moreover, when the wind speed exceeds 80 km/h, an event is recorded in detail for a duration of 300 s. During the Lothar storm of 25 to 27 December 1999, 12 events were recorded and the highest wind speed was 112.8 km/h. The maximum stress amplitudes measured during the storm were less than 20% of the design values estimated on the basis of the wind tunnel tests.
机译：卢塞恩会议中心的最突出特点是112.7 m x 107.2 m的几乎是二次屋顶，具有很大的悬臂部分。对车顶进行检测是为了监控其全面性能，尤其是钢结构的疲劳安全性。监视系统每2小时计算和存储一次测量量的最大值和最小值，并每月绘制一次它们的时间历史记录。此外，当风速超过80 km / h时，将详细记录一个事件，持续300 s。在1999年12月25日至27日的洛萨（Lothar）风暴中，记录了12起事件，最高风速为112.8 km / h。暴风雨期间测得的最大应力幅度小于根据风洞试验估算的设计值的20％。

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