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| 1 | Fragility assessment of tunnels in soft soils using artificial neural networks显示文摘Recent earthquakes have shown that tunnels are prone to damage,posing a major threat to safety and having major cascading and socioeconomic impacts.Therefore,reliable models are needed for the seismic fragility assessment of underground structures and the quantitative evaluation of expected losses.Based on previous researches,this paper presented a probabilistic framework based on an artificial neural network(ANN),aiming at the development of fragility curves for circular tunnels in soft soils.Initially,a two-dimensional incremental dynamic analysis of the nonlinear soil-tunnel system was performed to estimate the response of the tunnel under ground shaking.The effects of soil-structure-interaction and the ground motion characteristics on the seismic response and the fragility of tunnels were adequately considered within the proposed framework.An ANN was employed to develop a probabilistic seismic demand model,and its results were compared with the traditional linear regression models.Fragility curves were generated for various damage states,accounting for the associated uncertainties.The results indicate that the proposed ANN-based probabilistic framework can results in reliable fragility models,having similar capabilities as the traditional approaches,and a lower computational cost is required.The proposed fragility models can be adopted for the risk analysis of typical circular tunnel in soft soils subjected to seismic loading,and they are expected to facilitate decision-making and risk management toward more resilient transport infrastructure. | Zhongkai Huang Sotirios A.Argyroudis Kyriazis Pitilakis Dongmei Zhang Grigorios Tsinidis | 2022 | Underground Space2022，7，2： | 4 |
| 2 | Dynamic properties of dry sand/rubber (SRM) and gravel/rubber (GRM) mixtures in a wide range of shearing strain amplitudes显示文摘 | Kostas Senetakis Anastasios Anastasiadis Kyriazis Pitilakis | 2011 | Soil Dynamics and Earthquake Engineering2011，，1： | 3 |
| 3 | Dynamic properties of dry sand/rubber (SRM) and gravel/rubber (GRM) mixtures in a wide range of shearing strain amplitudes显示文摘 | Kostas Senetakis Anastasios Anastasiadis Kyriazis Pitilakis | 2011 | Soil Dynamics and Earthquake Engineering2011，，1： | 1 |
| 4 | Parametric analysis of the seismic response of a 2D sedimentary valley: implications for code implementations of complex site effects显示文摘 | Konstantia Makra Francisco J. Chávez-García Dimitrios Raptakis Kyriazis Pitilakis | 2005 | Soil Dynamics and Earthquake Engineering2005，，4： | 1 |
| 5 | Subsoil Interventions Effect on Structural Seismic Response. Part I: Validation of Numerical Simulations显示文摘 | Emmanouil Kirtas Emmanouil Rovithis Kyriazis Pitilakis | 2009 | Journal of Earthquake Engineering2009，，2： | 1 |
| 6 | Subsoil Interventions Effect on Structural Seismic Response. Part II: Parametric Investigation显示文摘 | Emmanouil Kirtas Kyriazis Pitilakis | 2009 | Journal of Earthquake Engineering2009，，3： | 1 |
| 7 | Ex- perimental p-y loops for estimating seismic soil-pile interaction 显示文摘 | Emmanouil Rovithis Emmanouil Kirtas Kyriazis Pitilakis | 2009 | Bull Earthquake Eng2009，，86： | 1 |
| 8 | Earthquake risk assessment of lifelines显示文摘 | Kyriazis Pitilakis Maria Alexoudi Sotiris Argyroudis Olivier Monge Christophe Martin | 2006 | Bulletin of Earthquake Engineering2006，，4： | 1 |
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