求翻译：从断裂力学的角度提出了钢管混凝土管节点裂纹扩展的计算方法，并通过疲劳试验数据确定了裂纹扩展计算公式的参数取值，使得该方法可运用于管节点的裂纹扩展寿命计算。是什么意思？

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Proposed from the break mechanics angle the steel pipe concrete pipe node fracture growth computational method, and had determined through the fatigue data the fracture growth formula parameter value, causes this method to be possible to utilize in the pipe junction fracture growth life computation.

From the perspective of fracture mechanics made of concrete-filled steel tubular joints crack calculation method, and calculation formula of fatigue crack growth test data to determine the parameter value, makes the method can be applied to the joints of crack growth life calculation.

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