Second order integrated analysis and design of large span structure

Pao Yue-kong Library Electronic Theses Database

Second order integrated analysis and design of large span structure

 

Author: Ng, Pak-cheong
Title: Second order integrated analysis and design of large span structure
Degree: M.Sc.
Year: 2000
Subject: Structural analysis engineering
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Civil and Structural Engineering
Pages: viii, 140, [58] leaves : ill. (some col.) ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1559473
URI: http://theses.lib.polyu.edu.hk/handle/200/65
Abstract: Structural steel was widely used in the construction works to date. The majority of the work includes the design of different types of building, bridges, temporary platform, etc. The popular method is to use some commercial programs such as "SUPERSTRESS" to analysis and design. However, most of these programs use the principle of linear analysis. Such analysis assumes that material and geometrical properties are constant which over-simplify the behavior of some practical structures. Second-order (non-linear) analysis has been studied in the past few years. In this theory, both material (yielding) and geometrical (stability) nonlinearity have been improved in the estimation of the moment and force distributions in the member under the loading. Based on previous research, it is proved that this analysis can provide a more accurate result. In case of the long span structure, the effective length of the member will be significant to the result of analysis. This dissertation studies the existing methods regarding the second-order analysis. This project will concern the effect of different parameters which can affect the large span structure under the second-order analysis. The outcome of this dissertation will provide more information about the different parameters affecting the large span structure. Also, it would check that the improvement in the design of structure to see whether or not the application of this analysis method and a well-established program "NAF-NIDA, Nonlinear Integrated Analysis and Design" [4] can provide a safe and economic design.

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