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本文根据高层建筑附建式人防工程在核爆冲击波荷载作用下各类构件的受力特点,解析推导出了高层人防地下室底板、顶板、例墙等以受弯为主的构件的静、动荷载比的内力与配筋计算相关公式,进而导出了简便实用的不同型号钢筋受弯构件的静、动荷载比系数。通过对2栋高层钢筋砼剪刀墙结构人防地下室的实例分析,证明本方法能够满足工程应用的需要,可以在解决同类型的问题时加以推广。
Based on the stress characteristics of various types of members under the action of nuclear explosion shock wave, this paper deduces the static and dynamic loads of high-rise civil air defense basement slabs, roofs, and example walls that are subject to bending. The internal force and reinforcement calculation formula are compared, and then the simple and practical static and dynamic load ratio coefficients of different types of steel flexural members are derived. Through an example analysis of two high-rise reinforced concrete scissors wall structures in the civil air defense basement, it is proved that this method can meet the needs of engineering applications and can be promoted when solving the same type of problems.