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通过钢筋混凝土框架边节点组合试件在反复荷载作用下的试验研究，对试验现象进行了较全面的分析，着重讨论了90°弯折钢筋水手段锚固长度变的化对锚固性能的影响．
Through the experimental research under the action of repeated load, the phenomenon of the test is analyzed in a comprehensive way, and the influence of the change of the anchor length on the anchorage performance of the reinforced concrete with 90 ° bend is emphatically discussed.