【摘要】 对于高层建筑,设置水平加强层,能够非常明显地减小结构在水平荷载作用下的水平位移量,但是加强层的设置能引起结构竖向刚度的突变和结构内力的重分布。文中通过对八种不同加强层设置情况的框架-筒体结构进行详细的计算与分析,详细剖析了水平加强层减少结构侧移、改变结构受力状态的原因。更多还原

【Abstract】 It is well known that the horizontal strengthened stories can obviously decrease the side-wise shift of the high-rise structures under the level load.The setting of strengthened outriggers can not only lead to the change of perpendicular stiffness,but also the reallocation of the structural inside force.Based on discussion on eight examples,the role that the enhance outriggers low structural side-wise shift is analyzed,and inherent force reallocation condition which is produced by the composition of level outriggers is said.更多还原