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通过对老钢桥疲劳断裂安全度的分析 ,计算了老钢桥的剩余寿命和继续使用所需的检测间隔 ,为老钢桥在考虑经济性前提下的维修与加固提供了可靠性依据 .
Through the analysis of the fatigue fracture safety of the old steel bridge, the remaining life of the old steel bridge and the interval required for continued use are calculated, which provides the reliability basis for the old steel bridge to be repaired and reinforced under the consideration of economy.