The Laboratory Test Of Local Scour Around A Platform Riser

With the development of coastal and off shore engineering, the local scour problems are paid more and more attention. However scour in the vicinity of the rises system founded on seabed have caused destruction to the foundations since the problems have not been studied extensively. Then it is quite indispensable to study the local scour problems of the rises system for building the safe and economical foundation.Based on the principles of local scour around seabed rises system caused by both waves and currents, the flow and scour processes are investigated in this paper after summarizing and consulting lots of papers and researches existing currently. The experimental model of the local scour around the rising system is founded in a wave and current flume. Based on the date on scour around the rises system, the evolutionary processes of local scour, as well as the influence of wave and current parameters (water depth, current velocity, wave and so on) on maximum scour depth are studied.