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受拉钢筋和受压钢筋区别

受拉钢筋为在结构中以力学方向起到拉伸的钢筋,相反则为受压钢筋。

两者主要区别如下:
一般在梁的跨中的下方及梁的支坐的上方的钢筋是受拉。

一般在梁的跨中的上方及梁的支坐的下方的钢筋是受压。

受力区分
1、受力不同:受拉钢筋就是处于受拉区承受拉力的钢筋,受压钢筋就是处于受压区承受压力的钢筋。
2、受力位置不同:在梁上部的就是受压钢筋(梁中一般很少用到),在梁的下部的就是受拉钢筋。在偏心受压构件中,远离受力的一边一般为受拉(根据偏心大小,也可能受压),靠近受力的一边则为受压.

一般要根据构件的受力来具体分析,对于梁来说,受拉钢筋一般出现在下部分,受压钢筋出现在上部,但在支座处,会出现负弯矩,正好反过来,支座处上部钢筋受拉,下部钢筋受压。

未经允许不得转载:春觉建筑 » 受拉钢筋和受压钢筋区别
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