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变截面压杆稳定临界力能量计算方法
引用本文:洪振德.变截面压杆稳定临界力能量计算方法[J].江苏建筑,2011(3):28-30.
作者姓名:洪振德
作者单位:常德鼎兴工程造价咨询有限公司,湖南常德,415000
摘    要:根据变截面压杆截面的变化规律,基于势能驻值原理,利用能量法推导出了变截面压杆稳定临界力的计算公式.该方法计算方便、精度高,适合于各种截面变化规律的压杆,易于被工程设计人员掌握.

关 键 词:压杆  变截面  临界力  稳定性  能量法

Energy Method for Calculating the Critical Bucking Load of the Column with Variable Section
HONG Zhen-de.Energy Method for Calculating the Critical Bucking Load of the Column with Variable Section[J].Jiangsu Construction,2011(3):28-30.
Authors:HONG Zhen-de
Affiliation:HONG Zhen-de(Changde Dingxing Construction Engineering Consultant Co.,Ltd,Changde Hunan 415000 China)
Abstract:According to the variation regularity of the column with variable section,the calculation formulas for critical bucking load of the column with variable section were derived by the condition of stationary value potential energy based on energy method.The method is not only accurate but also easy to use,and to be easily mastered by engineers.
Keywords:column  variable section  critical bucking load  stability  energy method  
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