双轴对称楔形工字钢梁的弹性弯扭屈曲

双轴对称楔形工字钢梁的弹性弯扭屈曲

本文利用基于板壳屈曲理论的有限元方法对楔形薄壁构件的弯扭屈曲进行了分析,对两种基于薄壁杆件理论的楔形工字钢梁弯扭屈曲分析方法进行了对比。基于较精确的楔形薄壁构件屈曲理论,对承受线性变化端弯矩作用的楔形梁的弯扭屈曲进行了大量分析,并提出了新的楔形工字钢梁临界弯矩计算公式。该公式形式与等截面梁的相同,便于工程应用。...

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Bibliographic Details
Main Authors: 周佳, 童根树
Format: Article
Language:zho
Published: Editorial Department of Progress in Steel Building Structures, Tongji University 2008-01-01
Series:Jianzhu Gangjiegou Jinzhan
Subjects:
楔形工字钢梁
弯扭屈曲
临界弯矩
Online Access:http://steelpro.tongji.edu.cn/thesisDetails?columnId=40765572&Fpath=home&index=0
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