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85问答库 > 同等高的井字梁有主梁和次梁知分吗？短向为主梁，长向为次梁吗

同等高的井字梁有主梁和次梁知分吗？短向为主梁，长向为次梁吗

2025-03-16 21:11:21

推荐回答（1个）

回答1：

不是这样的！井字梁都是次梁，每根井字梁JZL只有一头一个支座，那就是框架梁。相交的两根井字梁仅仅是相交处加几个附加箍筋加强而已，不能认为谁是谁的支座，也没有主次之分。周边的框架梁才是主梁（就是支承在框架柱上的梁）。
见11G101-1图集第91页。

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