屈曲约束支撑体系是新近发明并逐渐在日本、欧美得到应用的一种抗震耗能支撑体系。近年，国内将屈曲约束支撑应用于新建和改造加固的工程亦逐渐增多。因为屈曲约束支撑在受拉和受压时都可屈服而不屈曲，因此克服了传统支撑体系的缺点。大量研究表明，合理的节点设计和良好的节点施工质量是确保屈曲约束支撑发挥耗能支撑作用的关键。探讨钢结构屈曲约束支撑焊缝施工质量控制过程中存在的问题。%BRB（ Buckling-Restrained Brace） is a newly-developed steel brace system in Japan, USA and Europe for seismic resistance. And more BRBs have been adopted in China in recent years. Since BRBs can yield in both tension and compression without buckling, the disadvantage of the conventional bracing system can be overcome. This paer is devoted to controlling construction qualities of BRBs＇ welded joints.
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