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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： ZHANG Chong1, SHU Ganping1, GU Jian2 (1: College of Civil Engineering, Southeast University, Nanjing, Jiangsu, P.R.China, 210096 2: S.Y. Technology, Engineering & Construction Co.,Ltd)

A finite element study of the wall pressure by the stored solid in the ground-supported silo is presented in this paper. Firstly, the static wall pressure is investigated and the Janssen Formulation is suggested to be modified according to the finite element analysis. Secondly, the dynamic wall pressure is investigated and the coefficient of dynamic wall pressure for wheat is put forward.

关键词： steel silo static wall pressure dynamic wall pressure

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New Model for Second Order Elastic-plastic Analysis of Steel Frames with Semi-rigid Connections

New Model for Second Order Elastic-plastic Analysis of Steel...

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： HU Xibing, SHEN Pusheng, SHU Xingping (College of Civil Engineering, Hunan University, Changsha, Hunan, P.R.China, 410082)

A new model for the second order elastic-plastic analysis of plane steel structures was presented by replacing the general element with a new one, which has two rotational springs at its ends. Revising its rotation displacement equation, the second order elastic-plastic stiffness matrix of this kind of structure was derived. And the second order elastic-plastic program of this structure was worked out. Three steel frames were calculated with this program. The calculation results show that this model is reliable and fit to the analysis of all plane steel structures.

关键词： steel structures, new model, second order elastic-plastic analysis, rotational spring

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Study on the Ultimate Bearing Capacity of Shale Ceramisite Concrete Filled Steel Tubular Short Columns

Study on the Ultimate Bearing Capacity of Shale Ceramisite C...

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： MA Jiansuo 1, CAI Huanqin 2 (1: Department of Civil Engineering , Hebei Institute of Architecture & Civil Engineering, Zhangjiakou,, Hebei, P.R.China, 075000 2: Zhangjiakou No.1 Construction Engineering Co.Ltd, Zhangjiakou, Hebei, P.R.China, 075000)

On the basis of uniaxial compression tests on 18 short column specimens, the ultimate bearing capacity of shale ceramisite concrete filled steel tubular short column is analyzed. The results have been compared with common concrete filled steel tubular columns. The ultimate bearing capacity formula of shale ceramisite concrete filled steel tubular short columns is derived by the limit equilibrium method. According to the good agreement between the calculated results and experimental data, reference can be proposed for the engineering application of the lightweight concrete.

关键词： shale ceramisite concrete concrete filled steel tubular short columns ultimate bearing capacity

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高层建筑中剪力墙的轴压比和剪跨比分析

高层建筑中剪力墙的轴压比和剪跨比分析

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中国钢结构协会结构稳定与疲劳分会第17届（ISSF-2021）学术交流会暨教学研讨会

作者：王柯张文元丁玉坤陈勇哈尔滨工业大学结构工程灾变与控制教育部重点实验室哈尔滨工业大学土木工程智能防灾减灾工业和信息化部重点实验室中国建筑东北设计研究院有限公司

为了研究高层建筑中剪力墙轴压比和剪跨比的分布规律,采用SAP2000的建模方法,对两栋建筑进行分析,得到了这两栋建筑中轴压比和剪跨比的分布比例,对未来组合剪力墙试验参数的确定提供了依据。随着开洞率和开洞数量的增加,高层建筑中剪跨... 详细信息

为了研究高层建筑中剪力墙轴压比和剪跨比的分布规律,采用SAP2000的建模方法,对两栋建筑进行分析,得到了这两栋建筑中轴压比和剪跨比的分布比例,对未来组合剪力墙试验参数的确定提供了依据。随着开洞率和开洞数量的增加,高层建筑中剪跨比在0.4-0.8的墙体比例有所增加,轴压比仍然集中分布在0-0.2之间,但是分布比例有所减少。超高层建筑与高层建筑相比,更多地采用剪跨比为0-0.4的低剪跨比墙体和轴压比为0.4-0.6的高轴压比墙体。作者建议剪力墙试验轴压比的取值范围是0-0.6,剪跨比的范围取0-2.0,在此区间范围内能够满足高层建筑工程需要。

关键词：高层建筑组合剪力墙轴压比剪跨比

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会讯

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钢结构 2018年第6期33卷 98-98页

中国钢结构协会结构稳定与疲劳分会第16届（ISSF-2018）学术交流会暨教学研讨会定于2018年8月25—28日在山东省青岛市举行，会议由山东科技大学、青岛理工大学和山东大学联合承办。本次会议将集中研讨近两年在钢结构基础理论研究、工程... 详细信息

中国钢结构协会结构稳定与疲劳分会第16届（ISSF-2018）学术交流会暨教学研讨会定于2018年8月25—28日在山东省青岛市举行，会议由山东科技大学、青岛理工大学和山东大学联合承办。本次会议将集中研讨近两年在钢结构基础理论研究、工程应用实践和教学改革方面取得的新成就和新进展。

关键词：中国钢结构协会山东科技大学会讯教学研讨会学术交流会结构稳定山东大学基础理论

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信息

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钢结构 2018年第9期33卷 110-110页

中国钢结构协会结构稳定与疲劳分会＂第16届（ISSF—2018）学术交流会暨教学研讨会＂于2018年8月25—28日在山东省青岛市隆重召开,本次会议由中国钢结构协会结构稳定与疲劳分会主办,山东科技大学、青岛理工大学、山东大学联合承办,青岛... 详细信息

中国钢结构协会结构稳定与疲劳分会＂第16届（ISSF—2018）学术交流会暨教学研讨会＂于2018年8月25—28日在山东省青岛市隆重召开,本次会议由中国钢结构协会结构稳定与疲劳分会主办,山东科技大学、青岛理工大学、山东大学联合承办,青岛九屋建筑安装有限公司、青岛义和钢构有限公司、烟台新天地试验技术有限公司协办。来自全国各地钢结构领域94家单位的220位专家、学者以及来自39所大学的170名研究生出席了这次规模空前的盛会。

关键词：中国钢结构协会山东科技大学信息结构稳定教学研讨会学术交流会青岛市山东大学

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Story-based Elastic-plastic Stability Coefficient of Frames

Story-based Elastic-plastic Stability Coefficient of Frames

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： TONG Genshu, XING Guoran (Department of Civil Engineering, Zhejiang University, Hangzhou, Zhejiang, P.R.China, 310027)

The traditional and modified effective length methods are reviewed, and the limitations in the application of modified effective length approach are outlined. Based on the story buckling approach of frames, a universal slenderness and story stability coefficient for a frame story are defined. A large number of frames are analyzed to acquire their limit loads using ANSYS. Residual stresses and initial geometrical imperfections are considered. The limit loads are correlated with the universal slenderness. It is found that when the universal slenderness is intermediate, there exists an unfavorable interaction between sway buckling and non-sway buckling of frames. A reduction factor of ultimate load capacity is introduced to consider the buckling interaction, and formulae according to the column curves in the Code GB50017 are suggested to predict the story stability coefficient.

关键词： Frame Buckling Stability coefficient Interaction Elastic-plastic analysis

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Experimental Research on Seismic Behavior of New Concrete-filled Square Steel Tube and Steel Beam Joints under Cyclic Loading

Experimental Research on Seismic Behavior of New Concrete-fi...

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： WANG Lai, LI Nan, ZHOU Nannan (Shandong University of Science and Technology, Qingdao, Shandong, P.R.China, 266510)

A new type of joint between Concrete-filled Square Steel Tube column and H-type steel beam is proposed in the paper, and the seismic behavior of this type of joint under low-reversed cyclic loading test is researched. Ductility behavior, dissipation of seismic energy, degeneration of intensity and stiffness of the joint between Concrete-filled Square Steel Tube columns and steel beam under low-frequency, horizontal, repeat load are analyzed. Hysteretic curves to these four joint specimens between displacement and repeat load, together with corresponding framework curve is shown.

关键词： Concrete-filled Square Steel Tubular joints with outer diaphragms hysteretic curve seismic behavior.

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Seismic Response Analysis of Adding Extra-floors by Spanning Existing Building with Steel Structure

Seismic Response Analysis of Adding Extra-floors by Spanning...

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： WANG Yuanqing, SONG Feng, SHI Yongjiu, SHI Gang (Department of Civil Engineering, The Key Laboratory of Structure Engineering and Vibration of Ministry of Education, Tsinghua University, Beijing, P.R.China, 100084)

The technique of adding extra-floors by spanning existing building with steel structure is deeply researched and widely applied in engineering practice in recent years. The lateral rigidity of this type of buildings is irregular, so it is necessary to conduct the seismic response. But the dynamic characteristics and the seismic responses of this type of building systems is deficiently analyzed. In this paper, the dynamic characteristics of this type of buildings are analyzed through three-dimensional models, and the seismic responses of the separated and integral coat framing are obtained by using the response spectrum method and the time history analysis method according to the code for seismic design of building and based on two study cases. Through the analysis and comparison of the computational results, it is proved that for this type of buildings the seismic response analysis under the design earthquake and the strong earthquake must be conducted.

关键词： Adding extra-floors by spanning existing building seismic response response spectrum method time history analysis method

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Determination of Buckling Mode for Braced Elastic-plastic Frames

Determination of Buckling Mode for Braced Elastic-plastic Fr...

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中国钢结构协会结构稳定与疲劳分会2006年学术交流会暨钢结构教学研讨会

作者： TONG Genshu, XING Guoran (Department of Civil Engineering, Zhejiang University, Hangzhou, Zhejiang, P.R. China, 310027)

The instability of braced frames was studied by geometric and material nonlinear analysis accounting for residual stresses, initial sway imperfection and member initial bow. The change of buckling mode with increasing of bracing stiffness was analyzed and relationship between the ultimate load capacity and the bracing rigidity was achieved. The threshold stiffness of the bracing just enough to make frames buckle in a non-sway mode was obtained. Horizontal loads produce stresses in the bracings, and thus make the bracings yield prematurely and result in decrease of bracing stiffness. This will change the buckling mode of the braced frame. Nonlinear analysis of braced frames loaded both vertically and horizontally was also made. A simple and easy-to-use criterion was established for judging the buckling mode of braced frames including the effect of the horizontal loads. The proposed equation was compared with FEM analysis.

关键词： braced frame, elastic-plastic stability, threshold bracing stiffness

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