钢筋抗扭和构造钢筋的区别?

2025-03-15 05:00:43
推荐回答(1个)
回答1:

建筑中常见的明显承受扭矩的构件一般以梁为多,就以梁为例来说明。一般情况下粱中抗扭筋和构造筋都设在梁断面高度或附近,常见的,直径一般也差不多。直观的判断方式可看梁的高度和梁轴线两侧所作用的板的荷载。梁高在600毫米或以上时,两边板跨度相近,所受荷载差不多,梁腹部位所配的筋应是构造筋。如两边板跨度相差较大,或办所受何在相差较多,此时配的筋可能是抗扭筋。梁高再大,而扭矩又较小时,有可能在配抗扭筋外,还需加配构造筋。
如梁高在600毫米以下,梁腹部配的筋一般都是抗扭筋。
以上说的是普通民用建筑一般的常见的情况。实际工程千差万别,都要根据构件的结构计算看有否扭矩,及扭矩大小来决定是否配抗扭筋,及配筋量。
对无需配抗扭筋的构件还要根据规范规定的构造要求决定要否配筋及配筋量,一般没经验的人仅凭现场观察的是分辨不出的。

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