Abstract: This article introduces the method of X-radial diffraction technology detecting residual stress of steel bifurcated pipe of Yinzidu hydropower station.The author has analyzed and evaluated its residual stress conditions,further have come up rationaliza-tion proposals for hydropower station operation.?

摘要： 介绍X-射线衍射技术检测残余应力方法在贵州引子渡水电站钢岔管上的应用；分析、评价岔管的残余应力状况，并对电站的运行提出合理化建议。