1.The Semi-Circular Breakwater is a new type Breakwater.Owing to the Semi-Circular in structure it has much advantage over other Breakwater.The analyses on the structural feature and breakwater function of power plants are involved.The analyses on the Semi-Circular breakwater hydraulic characteristics and virtues are involved.So it can be used in the water-constructers of power plant.
半圆型防波堤是一种较为新型的防波堤,由于堤体结构特点同其他防波堤相比有诸多优点;本文结合电厂导堤和防波堤的功能,分析半圆型堤体的受力特性及优点,为半圆型堤体在电厂水工建筑物中应用提供科学依据。
2.By comparing the different hydrodynamic and meteorological conditions during the formation of the currents along a breakwater and the circulating currents,it can be known that the currents along a breakwater and the circulating currents both resulted from the erected structures appear generally in ebb tides and that the wind-driven currents and the wave-generated longshore currents may play an important role in the development of currents along the breakwater and the circulating currents.
比较沿堤流和环流形成时的不同水动力和气象条件可以得知,建筑物引起的沿堤流与环流一般是在落潮情况下出现,而且风吹流与波浪沿岸流对沿堤流与环流的形成可能起着十分重要的作用。
3.Abstract: This paper presents a new-type floating breakwater with the structure of “duckweed”.Some circular wooden blocks were flexibly tied together and flat located on water surface.A series of experimental investigation were carried out.The experimental results show that 1) there are wave attenuation characteristics of the new-type floating breakwater;2) by comparing the two installation styles,the wave attenuation effectiveness anchored on the sea bed is better than that of anchored on the sea shore.
文摘:模仿水生植物“浮漂”的结构形式，设计一种新形式的防波堤.将多块圆形木板柔性连接成一体，平铺于水面，对其进行了一系列的消浪效果的初步试验研究.试验结果表明，该结构具有消浪性能，并且其固定方式采用系泊于水下的消浪效果优于系泊于岸边的.
4.Influences on the Physical and Dynamical Characteristics of Rubble Breakwater Caused by Various Weight Distribution of the Core
堤心石重量级配变化对斜坡式防波堤物理与动力特性的影响
5.According to our national norm, the weight of the core of rubble mound breakwater should be 10kg~ 100kg.
根据我国规范规定，斜坡式防波堤的堤心石应采用10～100kg块石。
6.The calculated results indicate that the random wave response of the wave-permeable breakwater can be effectively controlled when proper TLD parameters are selected.
计算结果表明,适当选择TLD的参数可以有效地控制透空式防波堤的随机波浪反应.
7.Based on the calculation of the elevation of wave barrier for breakwater and physical model research, this paper analyzes the choice of elevation of wave harrier and its influence on the mooring conditions for fishing boats in the sea area.
摘要通过对防波堤挡浪墙顶高程计算和物模试验研究，分析挡浪墙顶高程的取值及其对湾内海域渔船泊稳条件的影响。
8.The anglebetween the slope and the horizontal plane is usually taken as an acute angle (such as30°, 45°). The wave crest force acting on the sloping surface of the superstructurecan be disintegrated into a horizontal component and a vertical downwardcomponent. The vertical component of the wave force is advantageous to thestability of the breakwater.
削角直立堤是直立式防波堤的改进结构型式,其结构特征是上部胸墙迎海面为与水平面成锐角(如30°、45°)的倾斜面,作用在削角直立堤斜面部分上的波浪力可分解为水平力和垂直力两部分,波浪力的垂直分量将有利于堤身的稳定。
9.This paper describes the application of semi-circular breakwater at home and abroad and the design innovation and optimization of semi-circular jetty in Yangtze Estuary Deepwater Channel Regulation Project, esp. the design of estuary jetty structure using semi-circular floating caissons; A new calculation method for wave forces acting on the submerged semi-circular estuary jetty and the optimization design method for semi-circular structures are recommended.
摘要介绍半圆型防波堤和河口导堤在国内外的应用概况及在长江口深水航道治理工程中对半圆型导堤的设计创新和优化－半圆型浮式沉箱的导堤结构型式，提出堤顶淹没情况下半圆型导堤波浪力的计算方法以及半圆型结构的优化设计方法等。
10.The breakwater sustains the shock of the great waves.
防波堤承受巨浪的冲击。
