一钢材试件,直径为25mm,原标距为125mm,做拉伸试验,当屈服点荷载为201.0KN,达到最大荷载为250.3KN,拉断后测的标距长为138mm,求该钢筋的屈服点、抗拉强度以及拉断后的伸长率。
正确答案:
①屈服强度:![](https://img.274949.com/Images/2020-01/04/cv6prdwx.jpg)
②抗拉强度:![](https://img.274949.com/Images/2020-01/04/uhi7hmtn.jpg)
③伸长率:
![](https://img.274949.com/Images/2020-01/04/cv6prdwx.jpg)
②抗拉强度:
![](https://img.274949.com/Images/2020-01/04/uhi7hmtn.jpg)
③伸长率:
![](https://img.274949.com/Images/2020-01/04/p3ng6pth.jpg)
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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一钢材试件,直径为25mm,原标距为125mm,做拉伸试验,当屈服点荷载为201.0KN,达到最大荷载为250.3KN,拉断后测的标距长为138mm,求该钢筋的屈服点、抗拉强度以及拉断后的伸长率。
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