Automatic Tsunami Barrier

E. Hamada, Shoichi Morita, Ayumu Iiboshi, T. Hiraishi
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Abstract

The Anti-Tsunami Laboratory (ATL) invented and developed the Anti-Tsunami Door (ATD) barrier as an automatic tsunami barrier. In September 2018, ATL and Kyoto University tested a mid-scale model of a three-stage ATD unit and confirmed its performance: (1) functioning automatically (refer to Figure 9); (2) achieving reasonable wave height reduction, which is approximately 40%–80% that of a solid barrier of the same height; and (3) demonstrating reasonable strength for a wooden structure under the mid-scale model test conditions. ATL had planned to test a large-scale model of an ATD unit in Oregon State University in May 2020, but that test has been delayed owing to the COVID-19 pandemic. Because the wave pressure on the ATD unit is expected to be high during the large-scale model test, ATL requested that the Explosion Research Institute (ERI) simulate the wave pressure on a large-scale model ATD unit, and based on the results, ATL will reinforce the ATD unit. After testing the large-scale model unit, ATL will install ATD barriers along the coast of Japan, customizing the barrier for specific tsunami hazards.
自动海啸屏障
反海啸实验室(ATL)发明并开发了反海啸门(ATD)屏障,作为一种自动海啸屏障。2018年9月,ATL和京都大学对三级ATD装置的中型模型进行了测试,并确认了其性能:(1)自动运行(见图9);(2)实现合理的波高降低,约为相同高度的固体屏障的40%-80%;(3)在中等模型试验条件下论证了木结构的合理强度。ATL原计划于2020年5月在俄勒冈州立大学测试ATD装置的大型模型,但由于COVID-19大流行,该测试被推迟。由于在大型模型试验中,ATL预计ATD装置上的波浪压力会很高,因此ATL要求爆炸研究所(ERI)在大型模型ATD装置上模拟波浪压力,并根据结果对ATL装置进行加固。在测试了大型模型装置后,ATL将在日本沿海安装ATD屏障,针对特定的海啸灾害定制屏障。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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