本文介绍了全尺寸管试样测定含裂纹管道结构J_R阻力曲线的测试技术。
The experimental technology for determining JR curves by full-scale pipe specimens was introduced.
CFD模拟结果表明，直管试样入口处局部流速比平均流速高约24%，表面剪切力大，与实验结果一致。
CFD simulation results show that the entrance velocity is about 24% higher than the local flow velocity, resulting into large surface shear force, is consistent with the experimental results.
在复合力试验中，通过建立合理的力学模型，利用测量水平位移量计算管样角度变化，解决了试样角度无法直接测量的问题。
By setting up the rational mechanical model and measuring the horizontal displacement to calculate the sample Angle in composite force test, the problems of the sample Angle measurement can be solved.
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