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Influence of the concrete strength and the type of supports on the stress-strain state of a hyperbolic paraboloid shell footbridge structure
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 4, Pp 379-390 (2021) (2021)
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Abstract:
Relevance. This work is the first in a series of publications on the selection of a suitable analytical surface for implementation as a self-supporting structure for a thin shell footbridge. The study on the influence of concrete strength, live load position and support types on the stress-strain state of a hyperbolic paraboloid (hypar) shell is presented. Objective - to define the initial design parameters such as the appropriate concrete strength and the support type that generates the best structural behaviour to perform the subsequent structural design of a thin shell footbridge. Methods. The static finite element analysis was performed for 4 compressive strengths of concrete (28, 40, 80, 120 MPa) which correspond normal, high and ultra-high resistance concrete, 5 different live load arrangements and 3 different support conditions. Results. The shell model with pinned (two-hinged) supports shows the same vertical displacements as the model with fixed supports (hingeless). For the studied shell thickness, in terms of stress behaviour, the model with pinned ends is more efficient. The combination of two-hinged supports with 80 MPa concrete strength shows a better structural performance.
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Keyword:
Architectural engineering. Structural engineering of buildings; finite element analysis; footbridge; high resistance concrete; hyperbolic paraboloid; shell structure; stress-strain state; TH845-895; ultra-high performance concrete
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URL: https://doaj.org/article/b2521dcfe2f140e8ac3d8a3aec2c4989 https://doi.org/10.22363/1815-5235-2021-17-4-379-390
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Towards High-End Scalability on Bio-Inspired Computational Models
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In: Computer Science: Faculty Publications and Other Works (2020)
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Phonetic Algorithm Performance
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In: Senior Honors Projects (2020)
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Phonetic Algorithm Performance
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In: Senior Honors Projects (2020)
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Performance-Based Seismic Design for buildings
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 16, Iss 2, Pp 161-166 (2020) (2020)
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Adaptation and Implementation of the ISO42010 Standard to Software Design and Modeling Tools
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In: Model-Driven Engineering and Software Development. MODELSWARD 2018, Communications in Computer and Information Science ; https://hal-cea.archives-ouvertes.fr/cea-02572737 ; Model-Driven Engineering and Software Development. MODELSWARD 2018, Communications in Computer and Information Science, pp.236-258, 2019, ⟨10.1007/978-3-030-11030-7_11⟩ (2019)
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An LSTM-Based Neural Network Architecture for Model Transformations
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In: 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems (MODELS) ; https://hal-cea.archives-ouvertes.fr/cea-02572669 ; 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems (MODELS), Sep 2019, Munich, Germany. pp.294-299, ⟨10.1109/MODELS.2019.00013⟩ (2019)
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Preface to MDE Intelligence 2019: 1st Workshop on Artificial Intelligence and Model-Driven Engineering
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In: 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C) ; https://hal-cea.archives-ouvertes.fr/cea-02572659 ; 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C), Sep 2019, Munich, Germany. pp.168-169, ⟨10.1109/MODELS-C.2019.00028⟩ (2019)
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The Future of Model Transformation Languages: An Open Community Discussion.
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In: ISSN: 1660-1769 ; The Journal of Object Technology ; https://hal-cea.archives-ouvertes.fr/cea-02572743 ; The Journal of Object Technology, Chair of Software Engineering, 2019, 18 (3), pp.7:1. ⟨10.5381/jot.2019.18.3.a7⟩ (2019)
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A Model Driven Tool for Requirements and Hardware Engineering
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In: 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C) ; https://hal-cea.archives-ouvertes.fr/cea-02572673 ; 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C), Sep 2019, Munich, Germany. pp.769-773, ⟨10.1109/MODELS-C.2019.00120⟩ (2019)
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On the Need for Intellectual Property Protection in Model-Driven Co-Engineering Processes
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In: International Conference on Evaluation and Modeling Methods for Systems Analysis and Development ; https://hal-cea.archives-ouvertes.fr/cea-02572729 ; International Conference on Evaluation and Modeling Methods for Systems Analysis and Development, Jun 2019, Rome, Italy. pp.169-177, ⟨10.1007/978-3-030-20618-5_12⟩ ; https://www.emmsad.org/2019-program (2019)
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Belief Uncertainty in Software Models
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In: 2019 IEEE/ACM 11th International Workshop on Modelling in Software Engineering (MiSE) ; https://hal-cea.archives-ouvertes.fr/cea-02572731 ; 2019 IEEE/ACM 11th International Workshop on Modelling in Software Engineering (MiSE), May 2019, Montreal, Canada. pp.19-26, ⟨10.1109/MiSE.2019.00011⟩ (2019)
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On modularity and performance of External Domain-Specific Language implementations ; Modularité et performance des implémentations de langages dédiés externes
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In: https://hal.inria.fr/tel-02418676 ; Software Engineering [cs.SE]. Université de rennes 1, 2019. English (2019)
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Transforming big social data into forecasts - methods and technologies ; Transformer les big social data en prévisions - méthodes et technologies : Application à l'analyse de sentiments
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In: https://tel.archives-ouvertes.fr/tel-02060594 ; Ingénierie, finance et science [cs.CE]. Université d'Angers; Université Ibn Tofail. Faculté des sciences de Kénitra, 2018. Français. ⟨NNT : 2018ANGE0011⟩ (2018)
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Cognifying Model-Driven Software Engineering
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In: Software Technologies: Applications and Foundations ; https://hal-cea.archives-ouvertes.fr/cea-02572650 ; Software Technologies: Applications and Foundations, pp.154-160, 2018, ⟨10.1007/978-3-319-74730-9_13⟩ (2018)
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Get Rid of Your Student's Fear and Intimidation of learning a Programming Language
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In: Publications (2017)
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Exploring Tensions between Appropriability and Openness to Collaboration in Innovation
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Stefan, Ioana. - : KTH, Industriell ekonomi och organisation (Inst.), 2017. : Högskolan i Gävle, 2017. : Stockholm, 2017
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