Research Repository

Generating Optimal Strut-and-Tie Models in Prestressed Concrete Beams by Performance-Based Optimization

Liang, Qing ORCID: 0000-0003-0333-2265, Xie, Yi Min and Steven, Grant P (2001) Generating Optimal Strut-and-Tie Models in Prestressed Concrete Beams by Performance-Based Optimization. Structural Journal, 98 (2). pp. 226-232. ISSN 0889-3241

Full text for this resource is not available from the Research Repository.

Abstract

This paper deals with automatic generation of optimal strut-and-tie models in prestressed concrete beams by the performance-based optimization (PBO) method. In the present approach, developing strut-and-tie models in prestressed concrete members is transformed to the topology optimization problem of continuum structures. By treating prestressing forces as external loads, prestressed concrete beams can be analyzed, optimized and dimensioned with strut-and-tie models like reinforced concrete beams. Optimal strut-and-tie models in non-prestressed, partially-prestressed and fully-prestressed concrete beams are investigated by using the performance-based optimization technique. It is demonstrated that the magnitude of prestressing forces significantly affects the layouts of optimal strut-and-tie models in prestressed concrete members. The performance-based optimization method is shown to be effective in developing reliable strut-and-tie models for the design of prestressed concrete beams.

Item Type: Article
Uncontrolled Keywords: performance-based optimization, prestressed concrete, strut-and-tie models, topology optimization
Subjects: FOR Classification > 0905 Civil Engineering
RFCD Classification > 290000 Engineering and Technology
Faculty/School/Research Centre/Department > School of Engineering and Science
Depositing User: Dr Qing Quan Liang
Date Deposited: 24 Sep 2010 05:29
Last Modified: 20 Mar 2019 06:28
URI: http://vuir.vu.edu.au/id/eprint/15247
DOI: https://doi.org/10.14359/10191
ePrint Statistics: View download statistics for this item
Citations in Scopus: 37 - View on Scopus

Repository staff only

View Item View Item

Search Google Scholar