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The Continuum Analytical Method of Steel Frame- Reinforced Concrete Shear Wall Mixed Structure

Journal of Civil Engineering and Architecture 2011年第4期5卷 368-374页

作者： Jian Liu Xiangyun Huang Guangen Zhou Jiping Hao Zenglin Xing School of Civil Engineering Guangzhou University Guangzhou China Postdoctoral Research Station Zhejiang Southeast Lattice Frame Group. Zhejiang China College of Civil Engineering Xi ＇an University of Architecture and Technology Xi ＇an China

The inter-story drift stiffness considered the semirigidity of beam and column joints connection, and P-Delta second order effect of steel frame parts in the mixed structure is presented in the paper. After considering on the influence of semirigidity between steel beams and steel columns, second order effect of beam-column members for steel frame and structural second order effect, the traditional continuum analytial method used in RC shear-frames wall structure is developed to steel frames-reinforced concrete shear wall mixed structure subject to horizontal load in this paper. A continuum approach, which is suitable for analyzing steel frames-reinforced concrete shear wall mixed structure subject to horizontal load, is presented. The method is relatively simple and more practical. It will be referred to structural design for steel frames-reinforced concrete shear wall mixed structure.

关键词： Steel frames-reinforced concrete wall mixed structure continuum analytial approach inter-story drift stiffness semirigid connection second order effect.

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Research on BP-ANN Model of Semi-rigid connection

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Journal of Civil Engineering and Architecture 2012年第3期6卷 385-389页

作者： Jian Liu Xiangyun Huang Guangen Zhou Jiping Hao Da Ren Yue Gao School of Civil Engineering Guangzhou University Guangzhou China Postdoctoral Research Station Zhejiang Southeast Lattice Frame Group Zhejiang China College of Civil Engineering Xi 'an University of Architecture and Technology Xi 'an China

The beam-to-column semirigid connection in a steel frame structure is represented by a zero-length rotational spring at the end of the beam element. The beam-to-column semirigid connection behavior is represented by its moment-rotation relationship. Several traditional mathematical models have been proposed to fit the moment-rotation curves from the experimental database,but they may be more reliable within certain ranges. In this paper, the intellectualized analytical model is proposed in the semirigid connections for top and seat angles with double web angles using the feed-forward back-propagation artificial neural network （BP-ANN） technique. the intellectualized analytical model from experimental results based on BP-ANN is more reliable and it is a better choice to the moment-rotation curves for beam-to-column semirigid connection. The results are found to provide effectiveness to the experimental response that is satisfactory for use in steel structural engineering design.

关键词： beam-to-column joint semirigid connection intellectualized analytical model artificial neural network.

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