本文關鍵詞： 人工島 護岸 高程 越浪量 斷面優(yōu)化　出處：《長沙理工大學》2015年碩士論文　論文類型：學位論文

【摘要】：近年來隨著外海人工島建設步伐的加快,有關人工島問題的研究明顯增多,其中護岸工程對于人工島的安全防護尤為重要。如何確定人工島護岸的堤頂高程,國內(nèi)還沒有明確的相關規(guī)范,因此本文主要針對人工島斜坡式護岸堤頂高程確定方法及越浪量開展研究。論文依托具體工程,對基于設計波高、波浪爬高和越浪量控制的三種堤頂高程計算理論進行了應用研究,對國內(nèi)外波浪爬高及越浪量公式進行了計算比較分析,推薦了工程海域范圍斜坡式護岸堤頂高程理論確定方法及較為適用的波浪爬高、越浪量計算公式。開展了人工島護岸典型斷面物理模型試驗,對不同工況下斜坡式護岸堤頂越浪量及護面護底塊石穩(wěn)定性情況進行了分析,試驗結果表明,基于越浪量控制的理論計算方法所確定的堤頂高程較為合理。采用flow3D流體計算軟件對斜坡式護岸越浪進行了數(shù)值模擬,探討了流體計算軟件用于帶防浪墻斜坡式護岸越浪模擬的可行性,并對反L型防浪墻前坡坡度與越浪量的相互關系做了初步研究�；诶碚撚嬎恪⑽锢砟Ｐ驮囼灱皵�(shù)值模擬結果,對依托工程中斜坡式護岸結構斷面進行了優(yōu)化研究,可為工程設計提供參考。研究結果也表明,在工程中基于控制越浪量的計算理論所確定的斜坡式護岸堤頂高程是經(jīng)濟可行的。
[Abstract]:In recent years, with the acceleration of the construction of artificial islands off the sea, the research on artificial islands has increased obviously, among which the revetment engineering is particularly important for the safety protection of artificial islands. How to determine the top elevation of artificial island revetment. There are no clear relevant codes in China, so this paper mainly focuses on the determination method of the top elevation of artificial island slope embankment and the amount of surpassing waves. Based on the specific projects, this paper focuses on the design of wave height. The calculation theory of the top elevation of three kinds of levees controlled by wave climbing and surpassing is studied in application. The formulas of wave climbing and surpassing are compared and analyzed at home and abroad. The theoretical determination method of the top elevation of slope revetment in engineering sea area and the more suitable formula for calculating wave climbing and surpassing are recommended. The physical model test of typical cross-section of artificial island revetment is carried out. In this paper, the overtopping capacity of the slope embankment under different working conditions and the stability of the bottom block are analyzed, and the experimental results show that. The height of the top of the embankment determined by the theoretical calculation method based on the control of surpassing wave volume is reasonable. The flow3D fluid calculation software is used to simulate the slope type bank protection surpassing wave numerically. This paper discusses the feasibility of using fluid calculation software to simulate the slope slope surpassing wave with anti-wave wall, and makes a preliminary study on the relationship between the slope gradient and surpassing volume of the anti-L-type anti-wave wall, based on the theoretical calculation. The results of physical model test and numerical simulation are used to optimize the section of slope revetment structure in supporting engineering, which can be used as a reference for engineering design. It is economical and feasible to determine the top elevation of slope bank protection embankment based on the calculation theory of controlling surpassing in engineering.
【學位授予單位】：長沙理工大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P756.8

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本文編號：1451940