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典型胸墙的波浪力和越浪量物理模型试验与分析(琚烈红)

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典型胸墙波浪力和越浪量物理模型试验与分析水利论文JS3wfRlI'v Q

c1JU,kx0【作者】琚烈红 【导师】陈国平; 左其华
b+rg'G y,i\0e}"|0【作者基本信息】南京水利科学研究院,近海工程,2004年,硕士

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P~3L+i0_9R+Ke0【中文摘要】 在防波堤、海堤、护岸或水库大堤等防浪建筑物中,斜坡堤是采用较广的一种形式,有关研究也较多,但因问题的复杂性,具体设计中还不能不依据模型试验进一步研究。例如,为了降低堤顶高程,防浪斜坡堤常设置胸墙,以减少爬高或越浪量。如何设置胸墙,既可保证其稳定要求,又能满足其容许越浪量,就是一个急待解决的问题。 本文对常用的直立式及几种不同圆弧胸墙形式,通过模型试验,测量作用其上的波浪力和越浪量,比较不同胸墙形式各自的特点,讨论胸墙形式引起的越浪和受力的相互关系,为设计胸墙提供参考依据。

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【英文摘要】 In the design of breakwaters, seawalls, revetments, reservoir dams and other constructions to protect overtopping, slope profile dikes are always used. There are many researches relevant to this, but because of the complexity of the subject, physical model experiments are usually done to ensure the researches. For instance, in order to reduce the crest elevation of slope dikes, crown walls are often set to reduce run-up and overtopping. How to design crown wall to ensure the stabilization and satisfy the permissive overtopping is an important problem.In this paper, firstly, several kinds of typical crown wall which usually used are selected; secondly, by physical model experiments, the pressure on the crown wall coursed by wave and the overtopping of the dike is measured; at last, the specialty of different crown walls are presented and the relationship between stability and overtopping of different walls are discussed.水利论文E lh/h+Q

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TAG: 波浪 典型 胸墙 物理模型 试验
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