Design of unconventional slender steel structures by stability analysis

Pao Yue-kong Library Electronic Theses Database

Design of unconventional slender steel structures by stability analysis

 

Author: Sun, Xun
Title: Design of unconventional slender steel structures by stability analysis
Degree: Ph.D.
Year: 2002
Subject: Building, Iron and steel -- Design and construction
Nonlinear theories
Finite element method
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Civil and Structural Engineering
Pages: xvi, 225 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1657689
URI: http://theses.lib.polyu.edu.hk/handle/200/3076
Abstract: The major objective of this thesis is to develop and extend the nonlinear theories and finite element methods to practical analysis and design of slender engineering structures. The studies presented is focused on the effects of geometrically and material nonlinearity of 2- and 3- dimensional structures. A detailed geometrically nonlinear formulation of doubly symmetric and tapered members, based on the co-rotational formulation and the principles of potential energy, has been presented. Few work has been conducted on the advanced analysis of trusses consisting of members of angle section. Based on the special load characteristics and response of angles of equal legs, the effects of load eccentricity and finite stiffness at connections are allowed for. The secant and tangent stiffness matrices for a new elasto-plastic beam-column element are presented on the basis of the refined elasto-plastic section moment-curvature relations. Spread-of-plasticity effects are considered by searching the section curvature loaded beyond the first yielded curvature. An integrated second-order analysis method, which uses the one-dimensional beam-column elements to model beam or column members and shear-wall or core members in high-rise wall-frame structures, is proposed. The developed method is coded in a computer program which is then used to solve a number of examples to illustrate its accuracy and efficiency. The proposed computer method provides a new and accurate tool for advanced analysis of unconventional steel structures, which is believed to be of contribution to the profession of Structural Engineering.

Files in this item

Files Size Format
b16576895.pdf 7.648Mb PDF
Copyright Undertaking
As a bona fide Library user, I declare that:
  1. I will abide by the rules and legal ordinances governing copyright regarding the use of the Database.
  2. I will use the Database for the purpose of my research or private study only and not for circulation or further reproduction or any other purpose.
  3. I agree to indemnify and hold the University harmless from and against any loss, damage, cost, liability or expenses arising from copyright infringement or unauthorized usage.
By downloading any item(s) listed above, you acknowledge that you have read and understood the copyright undertaking as stated above, and agree to be bound by all of its terms.

     

Quick Search

Browse

More Information