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Study Of Push-over Method's Apllication To The Antl-Selsmic Design Of Self-Combu-Sted Gangue Relnforced Concrete Frame

Posted on:2004-11-20Degree:MasterType:Thesis
Country:ChinaCandidate:N JieFull Text:PDF
GTID:2132360092997068Subject:Structural engineering
Abstract/Summary:PDF Full Text Request
The researching aim of this paper is using Push-over method to research the elastic-plastic ultimate deformation of Self-combusted Gangue Reinforced Concrete (SGRC) frame. On the basis of the fundamental principle of Push-over method, together with some basic assumptions, this paper edit computer program of the loading-displacement skeleton curves of the SGRC frame, considering P-Delta effect. Then this paper use this program to calculate and analysis the loading-displacement nonlinear relations of eleven SGRC frames, which are in two different loading modes. The results calculated by computer are in good agreement with experimental values, so this program is accurate, and the Push-over method is practicable analytical method in actual anti-seismic design.Combined with the experimental values of eleven SGRC frames, the results calculated by computer program of this paper have some errors, so this paper analysis some relative reasons which can cause error. The proper ascertainment of the value of stiffness reduction factor of the components of SGRC frames is discussed.By contrasting Push-over method with some other nonlinear analytical methods, this paper indicates this method in this paper is a simple and convenient method, and this method is practicable and applicable in future engineering.This paper uses the computer program to calculate other thirty SGRC frames, and further analysis the effects of different axial loading ratios and volumetric ratios of hoops to the curvature ductility of SGRC frame column. Then, this paper edits other computer program to calculate thirty SGRC frame columns, and researches the drift capacity of SGRC frame column, and analysis the turning capacity of frame column' s plastic hinge. Then the relational expression of the curvature ductility factor and ratio of hoops of SGRC frame columns is derived. This paper analysis the relation of the curvature ductility factor and the relative drift of SGRC frame columns, and discuss the question of the minimum values of ratios of hoops of SGRC frame column at different axial load ratios.In a word, the Push-over method in this paper, which has some simple assumptions, is accurate and rational, and is fitted to application and dissemination in actual engineering.
Keywords/Search Tags:Self-combusted Gangue Reinforced Concrete, Push-over method, ductility, plastic hinge, curvature ductility factor, ratio of hoops
PDF Full Text Request
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