高温环境下侧向弹性约束对钢柱稳定长度的影响  

Research of Dynamic Stability of Steel Members to Elasticity Support in High Temperature Condition

作　　者：那礼春[1] 孙强[1] 

机构地区：[1]安徽建筑工业学院土木工程学院,合肥230601

出　　处：《安徽建筑工业学院学报（自然科学版）》2009年第2期18-20,共3页Journal of Anhui Institute of Architecture(Natural Science)

基　　金：安徽省教育厅自然科学基金重大项目(ZD2007007-1);国家科技支撑计划子课题;专题号(2006BAK06B02-2/7)

摘　　要：基于结构弹性稳定理论原理,导出了高温环境下钢柱在轴向荷载作用时具有弹性支座的稳定长度计算式,分析了弹簧刚度、耐火保护层、温度等参数对钢柱稳定长度的影响,进一步提出了在实际工程中应采取的有关措施。In this paper based on principle of elasticity stability of structure, The calculating tormulas for dynamic stability of steel structure members on high temperature condition under axial dynamic load were conducted. The influence of dynamic stability of stiffness of spring, damping, size of rod, temperature and exciting frequency etc are studied. More and more how reduce vibration respect steps of members in Practical engineering ere put forwarded. It is hoped that these may prove to be some value on high temperature condition in steel structure engineering.

关 键 词：稳定极限长度 高温环境 耐火保护层 弹簧刚度 弹性稳定理论 

分 类 号：TU311.2[建筑科学—结构工程]