Life-cycle reliability analysis for civil engineering structures and infrastructure systems

Life-cycle risk analysis for civil engineering structures and infrastructure systems

Life-cycle optimal management for civil engineering structures and infrastructure systems

System reliability analysis

Multi-hazard community resilience analysis

Climate-change adaptation

Agent-based modeling

* U.S. National Science Foundation (NSF) Project, Focused CoPe: Fundamental research to inform holistic decision-making for historically underrepresented communities impacted by coastal hazards, 2021-2026

* National Institute of Standards and Technology (NIST) project, Center of Excellence for Risk-Based Community Resilience Planning (70NANB15H044), 2020-2025

* U.S. Office of Naval Research (ONR) project, Risk and Utility-Informed Optimum Decision Making for Naval Ship Structures Integrating Inspections, SHM, Time-Variant System Performance, and Probabilistic Consequences: A Comprehensive Framework (N00014-16-1-2299), 2016-2021

* U.S. Office of Naval Research (ONR) project, Integrating SHM and Time Variant System Performance of Naval Ship Structures for Near Real-Time Decision Making Under Uncertainty: A Comprehensive Framework (N00014-12-0023), 2011-2016

* Life-Cycle Management of Civil Infrastructure Considering Risk and Sustainability (CMMI-1537926), 2015-2020

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Life Extension of Deteriorating Steel Bridges by using Corrosion Resistant Steel, 2022-2023

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Life-cycle Investigation on the Use of Novel Corrosion Resistant Steel in New and Existing Bridges in Pennsylvania, 2021-2022

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Risk- and Sustainability-informed Decision-making for Durability Enhancement and Service Life Extension of Steel Bridges using Maintenance-free Steel, 2020-2021

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Efficient Service Life Extension of Bridges through Risk-based Lifecycle Management and High-performance Construction Materials: Emphasis on Corrosion-resistant Steel, 2019-2020

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Life-Cycle Optimal Risk-Based Management of Conventional Carbon Steel and Maintenance-Free Steel Bridges, 2018-2019

* Pennsylvania Infrastructure Technology Alliance (PITA) project, Life-Cycle Cost, Risk and Sustainability Analysis and Prediction of Performance of Steel Bridges with and without Corrosion Resistant Steel, 2016-2017

Han, X., and M. Koliou. 2025. “Risk-informed post-earthquake bridge criticality analysis using agent-based models.” Structure and Infrastructure Engineering, 1–18. https://doi.org/10.1080/15732479.2025.2565638.

Han, X., and Koliou, M., 2025. Influence of testbed characteristics on community resilience using agent-based modeling. Resilient Cities and Structures, 4(2), 69-83. https://doi.org/10.1016/j.rcns.2025.05.002.

Braik, A., Han, X., and Koliou, M., 2025 (co-first author). A framework for resilience analysis and equitable recovery in tornado-impacted communities using agent-based modeling and computer vision-based damage assessment. International Journal of Disaster Risk Reduction, 121, 105427. https://doi.org/10.1016/j.ijdrr.2025.105427.

Han, X., Koliou, M., and Barbosa, A.R., 2025. Verification and validation of agent-based models for resilience analysis and simulation. Natural Hazards Review, 26(1), 04024059. https://ascelibrary.org/doi/10.1061/NHREFO.NHENG-2223.

Han, X., and Koliou, M., 2024. Assessing the impact of seismic scenarios and retrofits on community resilience using agent-based models. International Journal of Disaster Risk Reduction, 111, 104678. https://doi.org/10.1016/j.ijdrr.2024.104678.

Han, X. and Koliou M., 2024. Investigation of effects of hazard geometry and mitigation strategies on community resilience under tornado hazards using an Agent-based modeling approach, Resilient Cities and Structures, 3(2), 1-19. https://doi.org/10.1016/j.rcns.2024.03.003.

Han, X. and Frangopol, D.M., 2024. Impact of Climate Change on Risk Assessment and Effective Maintenance Strategies for Bridge Networks Subjected to Corrosion. ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering, 10(1), 04023054. https://doi.org/10.1061/AJRUA6.RUENG-1059.

Xin, J., Frangopol, D.M., Akiyama, M. and Han, X., 2023. Probabilistic life-cycle connectivity assessment of transportation networks using deep learning. Journal of Bridge Engineering, 28(9), 04023066. https://doi.org/10.1061/JBENF2.BEENG-6149.

Han, X. and Frangopol, D.M., 2023. Investigation on a novel reliability analysis approach integrating adaptive space division and direction sampling. Advances in Structural Engineering, 26(10), 1929 - 1950. https://doi.org/10.1177/13694332231178998.

Han, X., and Frangopol, D. M., 2023. “Life-cycle risk-based optimal maintenance strategy for bridge networks subjected to corrosion and seismic hazards.” Journal of Bridge Engineering, 28(1), 04022128, https://doi.org/10.1061/JBENF2.BEENG-5799. (入选ASCE Editor’s Choice section)

Han, X., and Frangopol, D. M., 2022. “Fatigue reliability analysis considering corrosion effects and integrating SHM information.” Engineering Structures, 272, 114967. https://doi.org/10.1016/j.engstruct.2022.114967.

Han, X. and Frangopol, Dan M, 2022. “Risk-informed bridge optimal maintenance strategy considering target service life and user cost at project and network levels.” ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering, 8(4), 04022050, https://doi.org/10.1061/AJRUA6.0001263. (入选ASCE Editor’s Choice section)

Han, X. and Frangopol, Dan M, 2022. “Life-cycle connectivity-based maintenance strategy for bridge networks subjected to corrosion considering correlation of bridge resistances.” Structure and Infrastructure Engineering, 18(12), 1614-1637, https://doi.org/10.1080/15732479.2021.2023590.

Han, X. and Frangopol, Dan M., 2022. “Risk-based optimal life-cycle maintenance strategy for bridge networks considering stochastic user equilibrium.” ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering, 8(2), 04022011, https://doi.org/10.1061/AJRUA6.0001222.

Han, X., Yang, D.Y. and Frangopol, D.M., 2021a. “Optimum maintenance of deteriorated steel bridges using corrosion resistant steel based on system reliability and life-cycle cost.” Engineering Structures, 243: 112633, https://doi.org/10.1016/j.engstruct.2021.112633.

Han, X., Yang, D.Y. and Frangopol, D.M., 2021b. “Risk-based life-cycle optimization of deteriorating steel bridges: Investigation on the use of novel corrosion resistant steel.” Advances in Structural Engineering, 24(8): 1668–1686, https://doi.org/10.1177/1369433220980529.

Yang, D.Y., Frangopol, D.M. and Han, X., 2021. “Structural safety error analysis for approximate structural life- cycle reliability and risk using machine learning methods.” Structural Safety, 89: 102033. https://doi.org/10.1016/j.strusafe.2020.102033.

Han, X., Yang, D. Y., and Frangopol, D. M., 2019. “Time-variant reliability analysis of steel plates in marine environments considering pit nucleation and propagation.” Probabilistic Engineering Mechanics, 57, 32–42, https://doi.org/10.1016/j.probengmech.2019.05.003.

Han, X., Yang, D. Y and Frangopol, D. M., 2019. “Probabilistic life-cycle management framework for ship structures subjected to coupled corrosion–fatigue deterioration processes.” Journal of Structural Engineering, 145: 04019116, https://doi.org/10.1061/(ASCE)ST.1943-541X.0002406.

Su, Q.T., Han, X., Jiang X., Shao, C.Y., Chen L., 2016, “Performance of the orthotropic composite bridge deck with U-shape stiffener.” Journal of Harbin Institute of Technology, 48(9):14-19, in Chinese. https://doi.org/10.11918/j.issn.0367-6234.2016.09.003.

Su Q.T., He, X.Y., Zeng M.G., Han X., 2016, “Performance of the composite bridge deck with concrete slab and orthotropic steel plate with T-shape stiffener.” Journal of Tongji University (Natural Science), 44(3):341-347, in Chinese. https://doi.org/10.11908/j.issn.0253-374x.2016.03.002.

Su Q.T., Han X., Ren F., 2014, “Static behavior of push-out specimen with multi-row stud connectors.” Journal of Tongji University (Natural Science), 42(7):1011-1016, in Chinese. https://doi.org/10.3969/j.issn.0253-374x.2014.07.004.