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针对深圳第二高级技工学校建筑不能满足抗震设防要求的情况以及学校建筑特殊的使用要求,采用屈曲约束支撑进行加固设计。计算表明:采用屈曲约束支撑可以实现“小震不坏、中震可修、大震不倒”的抗震设防目标,较之普通钢支撑,屈曲约束支撑加固后的建筑物基底地震剪力和倾覆弯矩大幅降低,建筑物原结构构件基本无需再加固,使加固费用大幅降低。
In view of the situation that the second advanced technical school building in Shenzhen can not meet the seismic fortification requirements and the special use requirements of school buildings, the buckling restraint brace is used to reinforce the design. The results show that the buckling restraint brace can achieve the seismic fortification goal of “small earthquake is not bad, moderate earthquake can be repaired, large earthquake does not fall”, compared with ordinary steel support, And overturning moment significantly reduced the basic structure of the original building components no longer need to be reinforced, so that significantly reduce the cost of consolidation.