| 工字钢梁腹板的弹塑性屈曲强度研究及其高厚比计算 |
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| 引用本文： | 高轩能 张建文. 工字钢梁腹板的弹塑性屈曲强度研究及其高厚比计算[J]. 钢结构, 1999, 14(2): 54-58 |
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| 作者姓名： | 高轩能 张建文 |
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| 作者单位： | 南昌大学土木工程系!南昌，330029，广东惠州市第二建筑设计院!惠州，516001 |
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| 摘 要： | 对工字钢梁腹板在纯弯作用下的弹塑性屈承载能力进行了理论计算和试验研究,并进行了对比分析，提出了腹板高厚比的合理取值,同时，着重研究了纵向加劲肋刚度对腹板屈曲系数的影响．对现行《钢结构设计规范》（GBJ17-88）的有关条款进行了讨论．
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| 关 键 词： | 弹塑性屈曲 加劲肋 钢梁腹板 屈曲系数 高厚比 |
INVESTIGATION INTO ELASTO-PLASTIC BUCKLING STRENGTH AND ITS RATIONS OF HEIGHT TO THICKNESS OF WEB IN I-SECTION GIRDER |
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| Gao Xuanneng. INVESTIGATION INTO ELASTO-PLASTIC BUCKLING STRENGTH AND ITS RATIONS OF HEIGHT TO THICKNESS OF WEB IN I-SECTION GIRDER[J]. Steel Construction, 1999, 14(2): 54-58 |
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| Authors: | Gao Xuanneng |
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| Affiliation: | Gao Xuanneng(Nanchang University Nanchang 330029)Zhao Jianwen(No.2 Architectural Design Institute of Huizhou 516001) |
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| Abstract: | The theoretical and experimental study on the elasto-plastic buckling strength of the web in I-section steel girder under pure bending was carried out using energy method and the influence of stiffness of longitudinal stiffener on buckling coefficient of the girder web was analyzed. Good agreement is shown between theoretical and experimental results. The reasonable rations of height to thickness were given and some items of the Chinese national standard "Code for Design of Steel Structures"were discussed. |
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| Keywords: | elasto-plastic buckling stiffener girder web buckling coefficient rations of height to thickness |
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