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贯通筋和架立筋的区别是什么？ - 工程施工 - 项目管理 - 氿上知道
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满意答案
贯通筋是指贯穿于构件（如梁）整个长度的钢筋，中间既不弯起也不中断，当钢筋过长时可以搭接或焊接，但不改变直径。贯通筋既可以是受力钢筋，也可以是架力钢筋。
架立筋是构造要求的非受力钢筋，一般布置在梁的受压区且直径较小。当梁的支座处上部有负弯矩钢筋时，架力筋可只布置在梁上的跨中部分，两端与负弯矩钢筋搭接或焊接。搭接时也要满足搭接长度的要求并应绑扎。架力筋也有贯通的，如规范中规定在梁上部两侧的架力筋必须是贯通的，此时的架力筋在支座处也可承担一部份负弯矩。
如果在梁的上下都有通长的钢筋，一般在梁上（受压区）且直径较小的是架力筋，在梁下的是都受力钢筋。
在路上
回答于：2013-10-15
共2条回答