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Study on Seismic Stability of Steel Structure Main Control Building

机译：钢结构主控建筑地震稳定性研究

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This Improving the ability of the power system to cope with earthquakes is an important factor in current power stability. The main control building of Chaoyang-Yuzhou 220kV substation is taken as the research object, and the three-dimensional integrated model of the prefabricated steel structure main control building is built using finite element software ANSYS. Finite element software ANSYS and finite element numerical method are applied to carry out comprehensive study on the member mechanical behavior under uniaxial loading effect and the hysteretic behavior under cyclic loading effect. Researches show that under the unidirectional loading and cyclic loading effect, through the analysis on the member's skeleton curve, it is recommended to control the axial pressure ratio below 0.4, and take small flange width-to-thickness ratio to guarantee the bearing capacity of the member, effectively improve the seismic safety of the structure, thereby ensuring the structural safety and normal operation of the equipment during the earthquake.
机译：这种改善电力系统应对地震的能力是当前功率稳定的重要因素。朝阳 - 禹州220kV变电站的主要控制建设是作为研究对象，采用有限元软件ANSYS建造了预制钢结构主控建筑的三维集成模型。有限元软件ANSYS和有限元数值方法应用于单轴负载效应下的成员力学行为对循环加载效果下的滞回行为进行综合研究。研究表明，在单向装载和循环加载效果下，通过对成员的骨架曲线的分析，建议控制轴向压力比0.4以下，采取小法兰宽度与厚度比以保证承载力成员，有效地提高了结构的地震安全性，从而确保了地震期间设备的结构安全性和正常运行。

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