This paper investigates the distribution law of flow field around the mat by PIV technology. Furthermore, the effect of vortex which causes the scour of the sea bed around the mat is discussed and analyzed.

• 论文通过试验,应用PIV技术对底垫周围流场的分布规律进行了研究,进而分析涡旋对座底式平台底垫周围地基冲刷和淘空的影响及引起冲刷、淘空的主要原因。