本文从两起塔机倾覆案例引出安拆工况是最危险的工况,接着用一塔机拆卸施工实例说明塔机在拆卸过程中抗倾覆稳定性原则的具体应用。 In this paper, it is the most dangerous condition to lead working condition from two cases of tower crane overturning. Next, a practical example of demolition of a tower crane is used to illustrate the concrete application of the principle of stability of anti-overturning during the tower crane demolition.