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下屈服点 [xià qū fú diǎn]
[力] lower yield point
- 在波纹区圆角半径不变的情况下，随着最大外径的增大，特性曲线中弹性区的斜率逐渐变小，塑性屈服点的压力亦逐渐减小。
when the radius of corrugation part arc doesn't change, the slope of elastic curve and press of the plastic yielding point reduce gradually as maximal diameter increases. - 分析结果表明，（1）由于拉索没有屈服点，在极限状态下可以分担比较多的竖向荷载，桥梁的极限承载能力有所提高；
The (results) showed that, (1)the limited strength of bridge with CFCC is larger than that with steel cable, (because) CFCC has no yield point and share more load at ultimate state; - 在这种情况下，当屈服点达到时，只要其受力或应力稍有增加，就突然延伸，当受力增加时，然后又继续延伸。
In this case, when the yield point is reached, suddenly stretch for only a small increase in force or stress, and then continue to stretch very considerably when the force is increased.
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