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首页> 外文会议>Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments >Experimental Study of Breaking Wave Loads on Sea-Crossing Bridges Piers
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Experimental Study of Breaking Wave Loads on Sea-Crossing Bridges Piers

机译：跨海桥梁桥墩破波荷载试验研究

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摘要

The breaking of waves is a common phenomenon and threatens to the safety of offshore structures located in the ocean wave splash zone. In this paper, a series of experiments in the wave flume were conducted to investigate the action of breaking waves on bridge piers. The breaking waves were generated using focused wave theory. Three breaking wave conditions and three pier models with different cross sections, dimensions, and orientations were employed in the experiments. The breaking wave loads were recorded for each pier model located in different region of breaking waves. The main conclusions can be drawn as follows: (1) the breaking wave load varies with the distance between the breaking location and the pier and reaches the maximum while the waves break immediately in front of the pier and the breaker tongue hits the pier at wave crest level; (2) the breaking wave load is sensitive to the geometric shape; for example, the breaking wave load on the square pier is greater than that on the circular pier with the same projected dimension; and (3) the breaking wave load on the square pier with the orientation of 45° is the minimum. This study provides a valuable experimental reference for the study of breaking waves on the piers of sea-crossing bridges.
机译：波浪破碎是一种常见现象，对位于海浪飞溅区的海洋结构物的安全构成威胁。本文在波浪水槽中进行了一系列试验，以研究破碎波对桥墩的作用。破碎波是用聚焦波理论产生的。实验中采用了三种破碎波条件和三种不同横截面、尺寸和方向的桥墩模型。记录了位于不同破碎波区域的每个桥墩模型的破碎波荷载。主要结论如下：（1）破碎波荷载随破碎位置与桥墩之间的距离而变化，当波浪在桥墩前立即破碎，破碎舌在波峰水平撞击桥墩时，破碎波荷载达到最大值；（2） 破碎波荷载对几何形状敏感；例如，方形桥墩上的破碎波荷载大于相同投影尺寸的圆形桥墩上的破碎波荷载；（3）45°方向的方形桥墩上的破碎波荷载最小。本研究为跨海大桥桥墩破波研究提供了有价值的实验参考。

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