[" Bitte um Hilfe! Warumum die Entspannung von Rohrlestension undspanungsver膨胀弯已经补偿了热膨胀，，膨胀弯已经补偿了热膨胀，为什么还需要进行应力分析？既然膨胀弯吸收了热膨胀，难道不是也吸收了应力吗？我是初学者，请高手用通俗的语言解释一下。

2020-01-21View Original

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膨胀弯只是改善管道应力的一种方式。配管设计会通过经验预先在管道上增加膨胀弯，但效果如何要通过应力分析才能量化。配管经常会遇到这种情况，一个位置加了膨胀弯，应力分析结果没有改善，但换一个位置应力结果就好很多。

Reply #22020-01-21

GB/T 2膨胀GB/T 2膨胀823中的7.1.1条规定了必须进行应力计算的条件。

Reply #32020-01-21

一些配管设计手册上详细介绍了。

Reply #42020-02-02

一些管道配管设计书上有详细介绍

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