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Paper
Title

Prediction of suction caissons behavior in cohesive soils using computational intelligence methods

مجله بین المللی معدن و مهندسی زمین، دوره: 54، شماره: 2
Year: 1399
COI: JR_IJMGE-54-2_003
Language: EnglishView: 182
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Authors

Hadi Fattahi - Department of Earth Sciences Engineering, Arak University of Technology, Arak, Iran
Hosnie Nazari - Department of Earth Sciences Engineering, Arak University of Technology, Arak, Iran

Abstract:

Compared to drag anchors, suction caissons (Q) in clays often provide a cost-effective alternative for jacket structures, catenary, tension leg moorings, and taut leg. In this research, two computational approaches are proposed for predicting the uplift capacity of Q in clays. The proposed approaches are based on the combinations of adaptive network-based fuzzy inference system (ANFIS) models (ANFIS-subtractive clustering (ANFIS-SC) and ANFIS-fuzzy c-means (ANFIS-FC)) with metaheuristic techniques (ant colony optimization (ACO) or particle swarm optimization (PSO)). In these approaches, the PSO and ACO algorithms are employed to enhance the accuracy of ANFIS models. In order to develop hybrid models, a comprehensive database from open-source literature is used to train and test the proposed models. In these models, d (diameter of caisson), L (embedded length), D (depth), Su (undrained shear strength of soil), θ (inclined angle), and Tk (load rate parameter) were used as the input parameters. The performance of all models was evaluated by comparing performance indexes, i.e., means squared error and squared correlation coefficient. As a result, PSO and ACO can be used as reliable algorithms to enhance the accuracy of ANFIS models. Moreover, it was found that the ANFIS– subtractive clustering-ACO model provides better results in comparison with other developed hybrid models.

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This Paper COI Code is JR_IJMGE-54-2_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1029898/

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Fattahi, Hadi and Nazari, Hosnie,1399,Prediction of suction caissons behavior in cohesive soils using computational intelligence methods,https://civilica.com/doc/1029898

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Paper count: 4,056
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