并且给出了相应应力比下普通钢筋的疲劳设计强度建议值。
Then recommended values in fatigue strength design of ordinary steel bar are proposed.
此值被用来比较材料的强度，但是当设计计算时，要用一个安全系数，使工作应力低于比例限制。
This value is used to compare the strength of materials, but a safety factor is applied when making design calculations, to bring the working stress well below the limit of proportionality.
设计要求、强度设计值可转换为许用应力设计值。
Strength Design values may be converted to Allowable Stress Design values.
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