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首页> 外文会议>International Conference on Port and Ocean Engineering under Arctic Conditions(POAC'05) vol.1; 20050626-3002; Potsdam,NY(US) >TILTMETER APPLICATION AT NORSTROEMSGRUND LIGHTHOUSE - STRICE PROJECT
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TILTMETER APPLICATION AT NORSTROEMSGRUND LIGHTHOUSE - STRICE PROJECT

机译：倾斜计在NORSTROEMSGRUND灯塔中的应用-STRICE项目

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摘要

The STRICE project installed load panels on half the circumference of the Norstroemsgrund lighthouse in the Gulf of Bothnia to make direct measurements of ice forces. Near continuous measurements and observations of ice conditions were also made. As an adjunct to the project, a high-resolution tiltmeter capable of simultaneously measuring tilt in two orthogonal directions was installed inside the lighthouse for the 2002 winter season in order to assess an alternative means of measuring global ice force. For quasi-static ice loading, the tiltmeter provided a good representation of ice force acting on the lighthouse regardless of the direction from which the forces acted. In the case of dynamic ice loading with frequency components up to 3 Hz, a 7-second moving average "filter" provided a good representation of force components up to 0.5 Hz.
机译：STRICE项目在博特尼亚湾Norstroemsgrund灯塔的一半周长上安装了负载面板，以直接测量冰势。还进行了近乎连续的测量和对冰状况的观察。作为该项目的补充，在2002年冬季的灯塔内安装了能够同时测量两个正交方向上的倾斜度的高分辨率倾斜仪，以便评估测量整体冰势的另一种方法。对于准静态的冰负载，倾角计可以很好地表示作用在灯塔上的冰力，而与作用力的方向无关。在动态冰负载频率分量高达3 Hz的情况下，一个7秒的移动平均“滤波器”很好地表示了力分量高达0.5 Hz。

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