| 高层筒中筒结构的整体稳定分析 |
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| 引用本文： | 梁启智,陈加猛.高层筒中筒结构的整体稳定分析[J].华南理工大学学报(自然科学版),1998(1). |
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| 作者姓名： | 梁启智 陈加猛 |
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| 作者单位： | 华南理工大学建筑工程系 |
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| 摘 要： | 将筒中筒结构的外框筒视为具有弯曲变形和剪切变形，并受剪力滞后影响的等效实腹筒体，视内筒只受弯曲变形。根据内外筒的变形协调条件，建立了整体结构稳定微分方程，用Ｇａｌｅｒｋｉｎ法求解方程并获得了整体结构的最小临界荷载。
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| 关 键 词： | 筒中筒结构 整体稳定 协调条件 |
ANALYSIS OF OVERALL STABILITY OF TUBE IN TUBE STRUCTURES IN HIGH RISE BUILDINGS |
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| Liang Qizhi\ Chen Jiamong.ANALYSIS OF OVERALL STABILITY OF TUBE IN TUBE STRUCTURES IN HIGH RISE BUILDINGS[J].Journal of South China University of Technology(Natural Science Edition),1998(1). |
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| Authors: | Liang Qizhi\ Chen Jiamong |
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| Abstract: | In this paper, the outer framed tube of the tube in tube structure is regarded as an equivalent solid web tube undergone bending and shear deformations as well as the effect of shear lag, the core tube undergone only bending deformation. By the compatability of outer and inner tubes, the overall differential equation of stability is developed, which is solved by using Galerkin method, thus leading to a minimum overall critical load. |
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| Keywords: | tube in tube structure overall stability compatability condition |
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