基于8个钢筋混凝土框架异型节点的试验，分析了异型节点的初裂与常规节点的不同之处。
On the basis of experiment of 8 abnormal joints of reinforced concrete frame, the anti-crack properties of the abnormal joints and normal joints are discussed.
提出了由小梁小柱决定的“小核芯”概念，得出框架异型节点的承载能力取决于异型节点“小核芯”的结论。
A conception of minor core determined by the small beam and small column, and a conclusion that the shear capacity of abnormal joint depends on minor core are put forward in this paper.
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