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Efficient lightweight design of FRP bridge deck

Efficient lightweight design of FRP bridge deck
Efficient lightweight design of FRP bridge deck

An efficient yet simple response surface-based technique is proposed for the design of lightweight fibre-reinforced plastic (FRP) composite bridge deck panels. To achieve a lightweight FRP bridge deck, the total volume of the structure was optimised under the constraint of deflection limit, stresses, buckling and different failure criteria. Central composite design was employed in conjunction with a constrained multivariable non-linear optimisation algorithm to minimise the weight of the FRP bridge deck. Top/bottom plate thickness, web thickness, overall depth and number of webs were considered as design variables. The results obtained for different bridge deck configurations using the proposed response surface-based optimisation technique were validated with the results of conventional optimisation methods. Sensitivity analysis was also carried out to study the influence of different design variables towards deflection, stress and buckling behaviour of the bridge deck.

Bridges, Composite structures, Computational mechanics
0965-0911
697-707
Dey, Tushar Kanti
f81f92ce-9067-44da-aac7-f5a8d2ff5d0b
Mukhopadhyay, Tanmoy
2ae18ab0-7477-40ac-ae22-76face7be475
Chakrabarti, Anupam
a33871da-c3f8-440c-afea-00c3e9e5a240
Sharma, Umesh Kumar
d771c659-2d2c-4e40-b356-e4c95675a7a7
Dey, Tushar Kanti
f81f92ce-9067-44da-aac7-f5a8d2ff5d0b
Mukhopadhyay, Tanmoy
2ae18ab0-7477-40ac-ae22-76face7be475
Chakrabarti, Anupam
a33871da-c3f8-440c-afea-00c3e9e5a240
Sharma, Umesh Kumar
d771c659-2d2c-4e40-b356-e4c95675a7a7

Dey, Tushar Kanti, Mukhopadhyay, Tanmoy, Chakrabarti, Anupam and Sharma, Umesh Kumar (2015) Efficient lightweight design of FRP bridge deck. Proceedings of the Institution of Civil Engineers: Structures and Buildings, 168 (10), 697-707. (doi:10.1680/stbu.14.00134).

Record type: Article

Abstract

An efficient yet simple response surface-based technique is proposed for the design of lightweight fibre-reinforced plastic (FRP) composite bridge deck panels. To achieve a lightweight FRP bridge deck, the total volume of the structure was optimised under the constraint of deflection limit, stresses, buckling and different failure criteria. Central composite design was employed in conjunction with a constrained multivariable non-linear optimisation algorithm to minimise the weight of the FRP bridge deck. Top/bottom plate thickness, web thickness, overall depth and number of webs were considered as design variables. The results obtained for different bridge deck configurations using the proposed response surface-based optimisation technique were validated with the results of conventional optimisation methods. Sensitivity analysis was also carried out to study the influence of different design variables towards deflection, stress and buckling behaviour of the bridge deck.

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More information

Published date: 1 October 2015
Additional Information: Publisher Copyright: © 2015, Kirschbaum Verlag GmbH. All rights reserved.
Keywords: Bridges, Composite structures, Computational mechanics

Identifiers

Local EPrints ID: 483518
URI: http://eprints.soton.ac.uk/id/eprint/483518
ISSN: 0965-0911
PURE UUID: fb851e8e-4847-45cb-8bca-90a6f1875f26

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Date deposited: 01 Nov 2023 17:51
Last modified: 18 Mar 2024 04:10

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Contributors

Author: Tushar Kanti Dey
Author: Tanmoy Mukhopadhyay
Author: Anupam Chakrabarti
Author: Umesh Kumar Sharma

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