320m超高网格结构静力、抗风及温度应力分析

Static,Wind Resistance and Temperature Stress Analysis of 320m Highrise Grid Structure

某电视塔项目总高320m,采用筒中筒混合结构体系,主体结构设计使用年限为50年,安全等级为一级。为验证该结构体系能否在不同种类荷载作用下满足高耸结构规范的技术要求和各项整体控制指标,本文介绍了结构设计参数、各类荷载作用取值、结构选型等基本信息,分别针对结构整体稳定、抗风和温度作用进行各类参数和响应分析。整体结构在各工况下的受力性能得到验证,保证了结构的承载力和刚度在各种工况下安全可靠。

The total height of a TV Tower project is 320m,which adopts the tube in tube hybrid structure system.The designed service life of the main structure is 50 years and the safety level is Level 1.In order to verify that if the structure system could meet the technical requirements and various overall control index of high rise structure specifications under different kinds of loads,the paper introduced the basic information of structur al design parameters,various load action values,structural selection,etc.And various parameters and response analyses were respectively carried out for the overall stability of the structure,wind resistance and temperature effects.The mechanical performance of the whole structure under various working conditions has been calculated and it was verified that the bearing capacity and stiffness of the structure were safe and reliable under various working conditions.