This paper presents the test results of the mechanical properties, and relaxation of steel wires for medium strength cold rolled ribbed steel wires.
本文介绍了中强度冷轧带肋钢筋的机械性能和应力松弛试验结果。
Relaxation losses are very sensitive to the temperature of the steel.
松弛损失对钢筋的温度很敏感。
Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
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