侯家坝闸钢闸门结构流激振动试验研究

Experimental study on flow-induced vibration of steel gate structure in Houjiaba sluice

针对侯家坝闸钢闸门结构流激振动进行试验研究,试验采用闸门水弹性振动模型的物理实验模型,系统研究了侯家坝闸结构流激振动问题,通过模型试验研究取得了多个工况下的振动加速度试验资料,取得了结构振动诸参数的统计特征,揭示闸门振动的性质、量级及其危害,并提出了运行建议,为水闸运行安全性评价提供了依据。

An experimental study was conducted on the flow-induced vibration of steel gates structure at Houjiaba sluice.The physical experimental model of the gate-elastic vibration model was used to systematically study the flow-induced vibration problem of the Houjiaba sluice structure.The experimental data of vibration acceleration under various working conditions were obtained through model test,and the statistical characteristics of the structural vibration parameters are obtained.The properties,magnitude and hazards of gate vibration were revealed,and suggestions for operation were put forward,providing a basis for safety evaluation of sluice operation.