基于立体摄影测量的碎石丘防波堤损伤评估

IF 0.2 Q4 WATER RESOURCES
R. Lemos, João Santos, C. Fortes
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引用次数: 5

摘要

摘要:通常需要进行比例模型试验来评估拟议抛石防波堤设计的水力和结构性能。为了加快和简化装甲层损伤评估,我们开发了一种基于立体摄影测量的技术。该技术的一个关键特征是能够补偿空气-水界面中的折射,从而在不需要清空进行比例模型试验的波浪水槽或波浪池的情况下对铠装层的包络进行测量。本文介绍了这项技术以及为建立对其的信心而进行的测试,以及在防波堤规模模型上进行的损伤评估。结果导致的误差估计只有几分之一厘米。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rubble mound breakwater damage assessment through stereo photogrammetry in physical scale laboratory tests
ABSTRACT Scale-model tests are usually required to evaluate the hydraulic and structural behavior of proposed rubble-mound breakwater designs. In order to speed up and ease the armor layer damage assessment, we developed a technique based on stereo photogrammetry. A key feature of this technique is its ability to compensate for the refraction in the air-water interface, thus producing a survey of the envelope of the armor layer without the need to empty the wave flume or wave basin where the scale model tests are carried out. This article describes this technique and the tests made to establish confidence in it and in the damage evaluation on a breakwater scale model. Results led to an error estimation of only fractions of a centimeter.
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