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本文概述了四个十字形钢筋混凝土框架节点试件采用柱加大截面法加固后 ,在低周反复荷载作用下的试验。通过试验 ,分析了加固节点的受力机理及抗震性能 ,并提出了一些加固建议。
This paper summarizes the tests of the four cruciform reinforced concrete frame joints specimens strengthened by column enlarged section method under the action of low cycle repeated load. Through the experiment, the stress mechanism and seismic performance of the reinforced joints are analyzed, and some suggestions for reinforcement are put forward.