分析、例举了预应力钢材力学性能试验中常见的误差！
The paper listed the common error in mechanical property test of PC steel products.
阐述获取预应力钢材低松弛性能的途径及其影响因素，并探讨其机理。
To expound the approach to get low relaxation property of prestress steel products and its effect factors, and the mechanism is discussed.
本文探讨了预应力钢材常温拉伸应力松弛试验中，初始试验力保持时间的意义与作用。
This paper describes the significance and role of the initial test load holding time in the tensile stress relaxation test at room temperature for the pre-stressed rolled steel.
本欧洲标准中所考虑应用的预应力是高强度钢材(钢丝，钢绞线或钢柱)制造的钢筋束。
P The prestress considered in this Eurocode is applied by tendons made of high-strength steel (wires, strands or bars).
焊接高强钢盖板的预应力钢梁构造简单，刚度较大，节约钢材，是一种值得推广的结构型式。
The prestress of steel girder by high strength cover plate can raise stiffness and save steel, with simple configuration.
焊接高强钢盖板的预应力钢梁构造简单，刚度较大，节约钢材，是一种值得推广的结构型式。
The prestress of steel girder by high strength cover plate can raise stiffness and save steel, with simple configuration.
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