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Cost and safety optimisation in 'Berlin' type retaining walls

Cost and safety optimisation in 'Berlin' type retaining walls Studies for earth retaining wall structures provide engineers with the values for the response of design characteristics which represents the stability and the required budget for the completion of a project. Fundamental theories guide engineers to combinations of design variables values. These values have a direct relation to the responses of the earth retaining wall structure. The requirement of this analysis is that there is no proven technique which ensures the best combination of design variables for the simultaneous optimisation of safety factor and overall cost of a project. This paper presents an integration of Copyright © 2016 Inderscience Enterprises Ltd. the desirability analysis which provides the multivariate optimisation with the performance of few experimental runs based on statistical tools and finite elements methodology. The methodology provides a 24% higher safety factor and 50% lower overall cost comparing to the results of an experienced foundation engineering company. Keywords: multi-response optimisation; earth retaining wall structure; safety factor; overall cost. Reference to this paper should be made as follows: Telis, E-S., Besseris, G.J., Stergiou, C. and Limbachiya, M. (2016) `Cost and safety optimisation in `Berlin' type retaining walls', Int. J. Structural Engineering, Vol. 7, No. 4, pp.355­366. Biographical notes: Eleftherios-Stamatios http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Structural Engineering Inderscience Publishers

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Publisher
Inderscience Publishers
Copyright
Copyright © 2016 Inderscience Enterprises Ltd.
ISSN
1758-7328
eISSN
1758-7336
DOI
10.1504/IJSTRUCTE.2016.079284
Publisher site
See Article on Publisher Site

Abstract

Studies for earth retaining wall structures provide engineers with the values for the response of design characteristics which represents the stability and the required budget for the completion of a project. Fundamental theories guide engineers to combinations of design variables values. These values have a direct relation to the responses of the earth retaining wall structure. The requirement of this analysis is that there is no proven technique which ensures the best combination of design variables for the simultaneous optimisation of safety factor and overall cost of a project. This paper presents an integration of Copyright © 2016 Inderscience Enterprises Ltd. the desirability analysis which provides the multivariate optimisation with the performance of few experimental runs based on statistical tools and finite elements methodology. The methodology provides a 24% higher safety factor and 50% lower overall cost comparing to the results of an experienced foundation engineering company. Keywords: multi-response optimisation; earth retaining wall structure; safety factor; overall cost. Reference to this paper should be made as follows: Telis, E-S., Besseris, G.J., Stergiou, C. and Limbachiya, M. (2016) `Cost and safety optimisation in `Berlin' type retaining walls', Int. J. Structural Engineering, Vol. 7, No. 4, pp.355­366. Biographical notes: Eleftherios-Stamatios

Journal

International Journal of Structural EngineeringInderscience Publishers

Published: Jan 1, 2016

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