It is shown by the result that the ability of steel plate to resist local buckling is improved remarkably due to the existence of core concrete.
结果表明，核心混凝土的存在大大提高了钢管管壁抵抗局部屈曲的能力。
The steel tube can be fully tapped to improve the seismic performance due to the core concrete to avoid or delay the occurrence of local buckling of steel tube.
同时，由于核心混凝土的存在可以避免或延缓钢管发生局部屈曲，从而保证钢管性能得以充分发挥，提高了抗震性能。
Buckling-Restrained Brace (BRB) offer lateral restriction to the steel core to avoid it to buckle, when being suffered big press or pull, and the steel core always can yield.
防屈曲支撑是通过在支撑钢芯外围附设防止其整体失稳的约束单元，在限制支撑发生屈曲的同时能够使其在较大拉压荷载作用下都表现出全截面屈服。
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