All Outputs (52)

Partial safety factors for prestressed concrete girders strengthened with CFRP laminates (2019)
Journal Article
Dias-da-Costa, D., Neves, L. A. C., Gomes, S., Graça-e-Costa, R., Hadigheh, S. A., & Fernandes, P. (2020). Partial safety factors for prestressed concrete girders strengthened with CFRP laminates. Journal of Composites for Construction, 24(1), Article 04019060. https://doi.org/10.1061/%28ASCE%29CC.1943-5614.0000993

This paper provides a framework for the calibration of partial safety factors in prestressed concrete (PC) girders strengthened in flexure with carbon fibre-reinforced polymer (CFRP) laminates. A hybrid approach was proposed to take advantage of comp... Read More about Partial safety factors for prestressed concrete girders strengthened with CFRP laminates.

Fragility Assessment of Pre-Northridge Steel Moment Frames using Finite-Length Plastic Hinge Elements and Concentrated Plasticity Fracture Elements (2019)
Journal Article
Ribeiro, F. L., Barbosa, A. R., & Neves, L. C. (2019). Fragility Assessment of Pre-Northridge Steel Moment Frames using Finite-Length Plastic Hinge Elements and Concentrated Plasticity Fracture Elements. Computer Modeling in Engineering & Sciences, 120(3), 657-676. https://doi.org/10.32604/cmes.2019.06296

Although pre-Northridge earthquake steel moment resisting frame buildings have been shown to be susceptible to brittle connection failures, they still represent a large fraction of the existing steel buildings in the United States o... Read More about Fragility Assessment of Pre-Northridge Steel Moment Frames using Finite-Length Plastic Hinge Elements and Concentrated Plasticity Fracture Elements.

Stochastic maintenance models for ceramic claddings (2019)
Journal Article
Ferreira, C., Neves, L. C., Silva, A., & de Brito, J. (2020). Stochastic maintenance models for ceramic claddings. Structure and Infrastructure Engineering, 62(2), 247-265. https://doi.org/10.1080/15732479.2019.1652657

Maintenance decision-making involves a series of multiple objectives, some of them contradictory. Usually, stakeholders intend to find the optimal maintenance strategy, to minimize the economic burden, while simultaneously maximizing the buildings’ p... Read More about Stochastic maintenance models for ceramic claddings.

Time-dependent reliability analyses of prestressed concrete girders strengthened with CFRP laminates (2019)
Journal Article
Fernandes, P., Dias-da-Costa, D., Hadigheh, S., Neves, L., & Gomes, S. (2019). Time-dependent reliability analyses of prestressed concrete girders strengthened with CFRP laminates. Engineering Structures, 196, Article 109297. https://doi.org/10.1016/j.engstruct.2019.109297

This paper presents a time-dependent reliability analysis of prestressed concrete girders subjected to degradation caused by pitting corrosion. The procedure presented includes the effects of both spatial and temporal pitting corrosions on prestressi... Read More about Time-dependent reliability analyses of prestressed concrete girders strengthened with CFRP laminates.

Probabilistic prediction of asphalt pavement performance (2019)
Journal Article
Abed, A., Thom, N., & Neves, L. (2019). Probabilistic prediction of asphalt pavement performance. Road Materials and Pavement Design, 20( Sup 1), S247-S264. https://doi.org/10.1080/14680629.2019.1593229

Variability of pavement design parameters has always been a concern to pavement designers and highway agencies. A robust pavement design should take into account the variability of the design inputs and its impact on the reliability of the design. In... Read More about Probabilistic prediction of asphalt pavement performance.

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.

Verification of the HDM-4 fuel consumption model using a Big data approach: a UK case study (2018)
Journal Article
Perrotta, F., Parry, T., Neves, L. C., Buckland, T., Benbow, E., & Mesgarpour, M. (2019). Verification of the HDM-4 fuel consumption model using a Big data approach: a UK case study. Transportation Research Part D: Transport and Environment, 67, 109-118. https://doi.org/10.1016/j.trd.2018.11.001

This paper presents an assessment of the accuracy of the HDM-4 fuel consumption model calibrated for the United Kingdom and evaluates the need for further calibration of the model. The study focuses on HGVs and compares estimates made by HDM-4 to mea... Read More about Verification of the HDM-4 fuel consumption model using a Big data approach: a UK case study.

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.

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.

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.

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.