All Outputs (51)

Probabilistic-based assessment of existing steel-concrete composite bridges : application to Sousa River Bridge (2018)
Journal Article
Matos, J. C., Moreira, V. N., Valente, I. B., Cruz, P. J., Neves, L. C., & Galvão, N. (2019). Probabilistic-based assessment of existing steel-concrete composite bridges : application to Sousa River Bridge. Engineering Structures, 181, 95-110. https://doi.org/10.1016/j.engstruct.2018.12.006

This paper presents a framework to assess the safety of existing structures, combining deterministic model identification and reliability assessment techniques, considering both load-test and complementary laboratory test results. Firstly, the propos... Read More about Probabilistic-based assessment of existing steel-concrete composite bridges : application to Sousa River Bridge.

Mechanical performance of eco-efficient hollow clay bricks incorporating industrial nano-crystalline aluminium sludge (2018)
Journal Article
Cavaco, E., Grilo, I., Paulo Gouveia, J., Júlio, E., & Neves, L. C. (2020). Mechanical performance of eco-efficient hollow clay bricks incorporating industrial nano-crystalline aluminium sludge. European Journal of Environmental and Civil Engineering, 24(12), 1921-1938. https://doi.org/10.1080/19648189.2018.1492974

In this paper, mechanical properties of a new structural and eco-efficient hollow clay bricks are investigated. The principal goal was to recycle residual sludge from aluminium anodizing industries by incorporating it in the raw material of bricks, t... Read More about Mechanical performance of eco-efficient hollow clay bricks incorporating industrial nano-crystalline aluminium sludge.

Effect of non-structural masonry brick infill walls on the robustness of a RC (2018)
Journal Article
Barros, M., Cavaco, E., Neves, L., & Julio, E. (2019). Effect of non-structural masonry brick infill walls on the robustness of a RC. Engineering Structures, 180, 274-283. https://doi.org/10.1016/j.engstruct.2018.11.027

Western countries are increasingly demanding for robust structures, i.e., structures capable of withstanding local damage caused by unforeseen extreme events without triggering a progressive collapse, thus reducing the magnitude and proportion of the... Read More about Effect of non-structural masonry brick infill walls on the robustness of a RC.

Quantifying the impact of variability in railway bridge asset management (2018)
Presentation / Conference Contribution
Yianni, P. C., Neves, L. C., Rama, D., Andrews, J. D., Tedstone, N., & Dean, R. (2018). Quantifying the impact of variability in railway bridge asset management.

Bridge asset management is often a challenging and complicated task due to the diversity, multitude and variation of bridge configurations. Much research has been carried out in the field of asset management which has resulted in a wealth of models t... Read More about Quantifying the impact of variability in railway bridge asset management.

Numerical modelling of CLT diaphragms tested on a shake-table experiment (2018)
Presentation / Conference Contribution
Barbosa, A. R., Rodrigues, L., Sinha, A., Higgins, C., Zimmerman, R. B., Breneman, S., …Neves, L. C. (2018). Numerical modelling of CLT diaphragms tested on a shake-table experiment.

Current standards and existing literature provide very limited information regarding the design of cross-laminated timber (CLT) floor diaphragms. In addition, limited procedures exist to develop analytical models to estimate the deformation response... Read More about Numerical modelling of CLT diaphragms tested on a shake-table experiment.

Stochastic petri-net models to predict the degradation of ceramic claddings (2018)
Journal Article
Ferreira, C., Canhoto Neves, L., Silva, A., & de Brito, J. (2018). Stochastic petri-net models to predict the degradation of ceramic claddings. Building Research and Information, 47(6), 697-715. https://doi.org/10.1080/09613218.2018.1501873

A stochastic Petri-net formalism is proposed to predict the degradation of ceramic claddings over time in order to understand how different environmental exposure conditions contribute to the overall degradation of these claddings. For that purpose,... Read More about Stochastic petri-net models to predict the degradation of ceramic claddings.

Uncertainty quantification for random fields estimated from effective moduli of elasticity (2018)
Presentation / Conference Contribution
Pierce-Brown, J., Neves, L. C., & Brown, D. L. (2018). Uncertainty quantification for random fields estimated from effective moduli of elasticity. In Proceedings of the 8th International Workshop on Reliable Computing "Computing with Confidence", 16-18 July 2018, University of Liverpool, Liverpool, UK (51-62)

The stochastic finite element method is a useful tool to calculate the response of systems subject to uncertain parameters and has been applied extensively to analyse structures composed of randomly heterogeneous materials. The methodology to estimat... Read More about Uncertainty quantification for random fields estimated from effective moduli of elasticity.

Using Petri-Net modelling for a data-driven approach to bridge management and safety (2018)
Presentation / Conference Contribution
Yianni, P. C., Neves, L. C., Rama, D., Andrews, J., & Dean, R. (2018). Using Petri-Net modelling for a data-driven approach to bridge management and safety.

Bridge portfolio managers have a difficult task managing a large, varied portfolio of aging assets in a squeezed financial climate and on networks with increasing usage. Therefore, decision support tools are becoming more and more integral in managin... Read More about Using Petri-Net modelling for a data-driven approach to bridge management and safety.

Behavior of reinforced concrete frame with masonry infill wall subjected to vertical load (2018)
Journal Article
Baghi, H., Oliveira, A., Valença, J., Cavaco, E., Neves, L., & Júlio, E. (2018). Behavior of reinforced concrete frame with masonry infill wall subjected to vertical load. Engineering Structures, 171, 476-487. https://doi.org/10.1016/j.engstruct.2018.06.001

The effectiveness of masonry infill wall on behavior of a Reinforced Concrete (RC) frame subjected to a column failure is studied experimentally. For this reason, one full scale RC frame designed according to Eurocode is statically tested to investig... Read More about Behavior of reinforced concrete frame with masonry infill wall subjected to vertical load.

Probabilistic model for the representation of the reservoir water level of concrete dams during normal operation periods (2018)
Journal Article
Pereira, R., Batista, A. L., & Neves, L. C. (in press). Probabilistic model for the representation of the reservoir water level of concrete dams during normal operation periods. Water Resources Management, https://doi.org/10.1007/s11269-018-1973-x

The dam’s reservoir water level varies over the year according to the water inflow and outflow, as a function of environmental events but also of dam exploitation management policy and human decisions. In the Portuguese dam safety regulation (RSB 200... Read More about Probabilistic model for the representation of the reservoir water level of concrete dams during normal operation periods.

Probabilistic-based characterisation of the mechanical properties of CFRP laminates (2018)
Journal Article
Gomes, S., Dias-da-Costa, D., Neves, L., Hadigheh, S., Fernandes, P., & Júlio, E. (2018). Probabilistic-based characterisation of the mechanical properties of CFRP laminates. Construction and Building Materials, 169, https://doi.org/10.1016/j.conbuildmat.2018.02.190

Fibre reinforced polymer (FRP) composites have been increasingly used worldwide in the strengthening of civil engineering structures. As FRP becomes more common in structural strengthening, the development of probability-based limit state design code... Read More about Probabilistic-based characterisation of the mechanical properties of CFRP laminates.

Reliability-based design of interventions in deteriorated timber structures (2018)
Journal Article
Sousa, H. S., & Neves, L. C. (in press). Reliability-based design of interventions in deteriorated timber structures. International Journal of Architectural Heritage, 12(4), https://doi.org/10.1080/15583058.2018.1436205

When accommodating new uses or mitigating the consequences of deterioration, the strength increase of existing structures is significantly more onerous than a similar increase at the design stage of new structures. The safety methods prescribed in cu... Read More about Reliability-based design of interventions in deteriorated timber structures.

Stochastic petri net-based modeling of the durability of renderings (2017)
Journal Article
Ferreira, C., Canhoto Neves, L., Silva, A., & Brito, J. D. (2018). Stochastic petri net-based modeling of the durability of renderings. Automation in Construction, 87, 96-105. https://doi.org/10.1016/j.autcon.2017.12.007

In this study, a methodology to model and predict the life-cycle performance of building façades based on Stochastic Petri Nets is proposed. The proposed model evaluates the performance of rendered façades over time, evaluating the uncertainty of the... Read More about Stochastic petri net-based modeling of the durability of renderings.

Designing NSM FRP systems in concrete using partial safety factors (2017)
Journal Article
Coelho, M., Neves, L. C., & Sena-Cruz, J. (2018). Designing NSM FRP systems in concrete using partial safety factors. Composites Part B: Engineering, 139, https://doi.org/10.1016/j.compositesb.2017.11.031

This paper presents design procedures for fibre reinforced polymer (FRP) systems inserted in the cover of concrete elements according to the near-surface mounted (NSM) technique. Such strengthening system depends greatly on their bond strength. Two e... Read More about Designing NSM FRP systems in concrete using partial safety factors.

Seismic assessment of a heavy-timber frame structure with ring-doweled moment-resisting connections (2017)
Journal Article
Rodrigues, L. G., Branco, J. M., Neves, L. C., & Barbosa, A. R. (in press). Seismic assessment of a heavy-timber frame structure with ring-doweled moment-resisting connections. Bulletin of Earthquake Engineering, https://doi.org/10.1007/s10518-017-0247-y

The performance of heavy-timber structures in earthquakes depends strongly on the inelastic behavior of the mechanical connections. Nevertheless, the nonlinear behavior of timber structures is only considered in the design phase indirectly through th... Read More about Seismic assessment of a heavy-timber frame structure with ring-doweled moment-resisting connections.

Implementation and Calibration of Finite-Length Plastic Hinge Elements for Use in Seismic Structural Collapse Analysis (2017)
Journal Article
Ribeiro, F. L., Neves, L. A. C., & Barbosa, A. R. (2017). Implementation and Calibration of Finite-Length Plastic Hinge Elements for Use in Seismic Structural Collapse Analysis. Journal of Earthquake Engineering, 21(8), 1197-1219. https://doi.org/10.1080/13632469.2015.1036327

Copyright © Taylor & Francis Group, LLC. Finite-length plastic hinge (FLPH) models have shown advantages over the concentrated plasticity hinge (CPH) models. However, empirical phenomenological relationships, such as Modified Ibarra–Medina–Krawinkl... Read More about Implementation and Calibration of Finite-Length Plastic Hinge Elements for Use in Seismic Structural Collapse Analysis.

On the robustness to corrosion in the life cycle assessment of an existing reinforced concrete bridge (2017)
Journal Article
Cavaco, E. S., Neves, L. C., & Casas, J. R. (2017). On the robustness to corrosion in the life cycle assessment of an existing reinforced concrete bridge. Structure and Infrastructure Engineering, 14(2), 137-150. https://doi.org/10.1080/15732479.2017.1333128

Management of existing structures has traditionally been based on condition assessment, based on visual inspections, disregarding the susceptibility of different structural types to aging and deterioration. Robustness, as a measure of the effects of... Read More about On the robustness to corrosion in the life cycle assessment of an existing reinforced concrete bridge.

Bridge asset management using Petri-Nets (2017)
Presentation / Conference Contribution
Yianni, P., Neves, L. C., Rama, D., Andrews, J., & Dean, R. (2017). Bridge asset management using Petri-Nets.

Management of a diverse portfolio of assets is a demanding and complex task. Although extensive research has been carried out in bridge asset management models, the model developed in this study contains flexibility which is able to model a vast arra... Read More about Bridge asset management using Petri-Nets.

Reliability-based approach to the robustness of corroded reinforced concrete structures (2017)
Journal Article
Cavaco, E. S., Neves, L. A., & Casas, J. R. (2017). Reliability-based approach to the robustness of corroded reinforced concrete structures. Structural Concrete, 18(2), 316-325. https://doi.org/10.1002/suco.201600084

Currently, decisions on the maintenance and repair of infrastructural assets, structures in particular, are mostly based on the results of inspections and the resulting condition index, neglecting system robustness and therefore not making optimal us... Read More about Reliability-based approach to the robustness of corroded reinforced concrete structures.

Incorporating local environmental factors into railway bridge asset management (2016)
Journal Article
Yianni, P. C., Neves, L. C., Rama, D., Andrews, J. D., & Dean, R. (2016). Incorporating local environmental factors into railway bridge asset management. Engineering Structures, 128, 362-373. https://doi.org/10.1016/j.engstruct.2016.09.038

© 2016 Elsevier Ltd A novel approach to comparing bridge deterioration rates under different environmental conditions is employed using a network analysis approach. This approach uses a matrix condition scoring system utilised by Network Rail (NR). I... Read More about Incorporating local environmental factors into railway bridge asset management.