SHORELINE STABILITY SIMULATION OF THE BEACH IN NEW BEIDAIHE DISTRICT AFTER NOURISHMENT
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摘要: 随着砂质海岸侵蚀的日益加剧和人类对海滩资源的保护意识的增强,越来越多的养滩工程措施在北戴河地区陆续开展,海滩养护工程后岸线的稳定性是养滩工程成功与否的关键。以北戴河新区洋河—葡萄岛岸段海滩养护工程为例,通过数值模拟和物理模型试验,对养护工程后岸线的稳定性进行了模拟分析,研究结果表明:人工养滩结合突堤和人工沙坝的方式能够起到很好的保护和扩展海滩的作用,能够有效保持北戴河新区岸线的稳定性。Abstract: With the rising of public concerns of sandy coast erosion and beach resources protection, a great number of beach nourishment projects have been carried out. The shoreline stability after beach nourishment is the key factor if the project was successful or not. In this paper, using the artificial beach nourishment project of new Beidaihe District as an example, the authors studied the shoreline stability of Yanghe river-Grape Island coast through numerical modeling and physical model tests. The results show that the method of artificial beach nourishment combining with jettys and artificial sand bars can play a good effect on protecting and extending the beach, and effectively maintain the shoreline stability of the new Beidaihe District.
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