针对防屈曲支撑整体稳定和局部稳定性条件,结合钢结构稳定理论对防屈曲支撑整体稳定性和芯材的局部稳定性进行了理论分析和推导,提出了相应的计算公式,并进一步提出了防屈曲支撑芯材的屈服段与约束试件之间的局部挤压力计算公式。结合所建议的计算公式,可以对防屈曲支撑整体稳定性和芯材局部稳定进行验算和分析。 According to the condition of overall stability and local stability of buckling brace, the whole stability of buckling brace and the local stability of core material are analyzed and deduced based on the theory of steel structure stability. The corresponding formulas are proposed and the anti- Local buckling force between buckling support core yielding section and restraining specimen. Combined with the proposed calculation formula, the overall stability of buckling brace and local stability of core material can be checked and analyzed.