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在加强层处结构出现内力突变,是带加强层框架-筒体结构的主要结构特点之一.利用顶部带加强层框架-筒体结构中筒体弯矩计算公式和子结构分析方法,研究了在水平均布荷载和倒三角形荷载作用下,单道伸臂竖向位置和加强层处筒体弯矩突变量的关系.结果表明:在均布荷载作用下,当单道伸臂设置在结构总高度的0.65倍时,筒体弯矩突变量最大;在倒三角形荷载作用下,筒体弯矩突变量随伸臂位置的升高而减少.算例结果表明了以上结论的可信性.该结论可供在带加强层框架-筒体结构初步设计中参考使用.
One of the main structural features of the frame-stiffened structure with stiffened frame is one of the main structural features of stiffened frame structure.According to the calculation formula of the moment and the substructure analysis of the frame in the stiffened frame-stiffened structure at the stiffened layer, The results show that under the action of uniform load, when the single boom is placed on the top of the structure When the height of the cylinder is 0.65 times the height, the sudden change of the bending moment of the cylinder is the largest. Under the inverted triangle load, the sudden change of the bending moment of the cylinder decreases with the rising of the extension arm. The results show that the above conclusion is credible. CONCLUSIONS REFERENCES FOR REFERENCES IN THE PRIMARY DESIGN OF FRAME-SHELL STRUCTURE WITH REINFORCEMENT.