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在许多大型桥梁结构中,正越来越多地使用大型平行钢丝索。本文研究了影响这种钢索疲劳强度的各种因素。对于按本文提出的“极限损伤”概念设计的HiAm及D1NA抗疲劳钢索,就有可能确保结构的所有钢索在其整个使用期限内保持完好、耐用。
In many large bridge structures, large parallel steel cables are being used more and more. This article studies various factors that affect the fatigue strength of such cables. For HiAm and D1NA anti-fatigue cables designed according to the concept of “ultimate damage” proposed in this paper, it is possible to ensure that all ropes of the structure remain intact and durable throughout their life.