Experimental Study on Calculation Method of Drainage Capacity of Drainage Facilities Affected by Overtopping on Artificial Island

Long-zai Ge, Han-bao Chen, Hai-yuan Liu and Parikshit Narendra Mahalle

Mathematical Problems in Engineering, 2022, vol. 2022, 1-11

Abstract: The drainage capacity design of offshore artificial island and inland urban drainage facilities have a great differences in the boundary conditions involved. Therefore, in order to ensure the safety and reliability of the drainage facilities of the Shenzhen-Zhongshan channel’s East artificial island under extreme weather conditions, the coastline of the Southwest open section of the artificial island is identified as a subject for carrying out the research study. This island is affected by offshore waves and the superposition of rainstorms, therefore the calculation method of drainage capacity of artificial island drainage facilities is demonstrated in the article. Through the physical model testing based on soft computing techniques, some recommendations are suggested for preserving the environment, where the optimization schemes are meeting the design requirements of wave and landscape based on correlations between them. Secondly, the adjustment of drainage capacity is suggested to analyze the overtopping of waves on the island and then the final scheme meeting the drainage capacity is obtained. By introducing the comprehensive influence coefficient k of overtopping volume and current velocity caused by overtopping under the action of superimposed waves, a new calculation method and simple calculation formula suitable for the drainage capacity in the artificial island are proposed. The proposed method is verified by the drainage capacity test results of the southeast shoreline. The results show that the proposed method has good accuracy and can provide reference for the design and estimation of drainage capacity of similar projects to preserve the environment. The research results based on mathematical problems in engineering not only solve the practical problems of major projects of Shenzhen China channel but also provide valuable inputs for similar projects.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:2655727

DOI: 10.1155/2022/2655727

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