A thorough investigation of the interdependent behavior of prestressed system
Nguyen, Thuy Thi My & Iu, Chi Kin (2015) A thorough investigation of the interdependent behavior of prestressed system. In Choi, C.K. (Ed.) Proceedings of the 2015 World Congress on Advances in Structural Engineering and Mechanics, International Association of Structural Engineering and Mechanics (IASEM), Incheon, Korea, pp. 1-16.
Due to the existing of many prestressed members in the structural system, the interdependent behavior of all prestressed members is the main concern in the analysis of the pretension process. A thorough investigation of this mutual effect is essential for an effective, reliable, and optimal analysis. Focus on this aspect, this paper presents an investigation of the interdependent behavior of all prestressed members in the whole structural system based on influence matrix (IFM). Four different types of IFM are introduced. Two different solving methods are brought forth to analyze the pretension process. The direct solving method solves for the accurate solution, whereas the iterative solving method repeatedly amends to achieve an approximate solution. A numerical example is then conducted. The result shows that various kinds of complicated batched and repeated tensioning schemes can be analyzed reliably, effectively, and completely based on IFM.
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|Item Type:||Conference Paper|
|Keywords:||finite element method, prestress system, steel structure|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2015 [please consult the authors]|
|Deposited On:||15 Sep 2015 02:50|
|Last Modified:||16 Dec 2015 01:17|
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