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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 | Seismic analysis of coupled soil-pile-structure systems leading to the definition of a pseudo -natural SSI frequency显示文摘 | E.N. Rovithis K.D. Pitilakis G.E. Mylonakis | 2008 | Soil Dynamics and Earthquake Engineering2008，，6： | 2 |
| 4 | Dynamic properties of dry sand/rubber(SRM) and gravel/rubber(GRM) mixtures in a wide range of shearing strain amplitudes显示文摘 | SENETAKIS K ANASTASIADIS A PITILAKIS K | 2012 | Soil Dynamics and Earthquake Engineering2012，33，1： | 1 |
| 5 | Numerical simulation of dynamic soil -structure interaction in shaking table testing显示文摘 | PITILAKIS D DIETZ M WOOD D M el al | 2008 | Soil Dynam- ics and Earthquake Engineering2008，28，6： | 1 |
| 6 | Seismic behaviour of circular tunnels accounting for above ground structures interaction effects 显示文摘 | Pitilakis K Tsinidis G Leanza A | 2014 | Soil Dynamics and Earthquake Engineering2014，，67： | 1 |
| 7 | Experimental p-y loops for estimating seismic soil-pile interaction显示文摘 | ROVITHIS E KIRTAS E PITILAKIS K | 2009 | Bulletin of Earthquake Engineering2009，7，3： | 1 |
| 8 | Dynamic Properties of Dry Sand/Rubber (SRM) and Gravel/Rubber (GRM) Mixtures in a Wide Range of Shearing Strain Amplitudes显示文摘 | Senetakis K Anastasiadis A Pitilakis K | 2012 | Soil Dynamics and Earthquake Engineering2012，33，1： | 1 |
| 9 | Small-Strain Shear Modulus and Damping Ratio of Sand-Rubber and Gravel-Rubber Mixtures显示文摘 | Anastasiadis A Senetakis K Pitilakis K | 2012 | Geotechnical and Geological Engineering2012，30，2： | 1 |
| 10 | DynamicBehavior of Sand/Rubber Mixtures, Part I: Effect of Rubber Content and Duration of Confinement on Small-Strain Shear Modulus and Damping Ratio显示文摘 | Anastasiadis A Senetakis K Pitilakis K | 2012 | Journal of ASTM International2012，9，2： | 1 |
| 11 | Dynamic Behavior of Sand/Rubber Mixtures, Part II: Effect of Rubber Content on G/G0- ',/-DT Curves and Volumetric Threshold Strain显示文摘 | Senetakis K Anastasiadis A Pitilakis K | 2012 | Journal of ASTM International2012，9，2： | 1 |
| 12 | Normalized Shear Modulus Reduction and Damping Ratio Curves of Quartz Sand and Rhyolitic Crushed Rock显示文摘 | SENETAKIS K ANASTASIADIS A PITILAKIS K | 2013 | Soils and Foundations2013，53，6： | 1 |
| 13 | Performance and seismic design of underground structures 显示文摘 | Pitilakis K Tsinidis G | 2014 | Geotechnical Geological and Earthquake Engineering2014，28，： | 1 |
| 14 | Numerical simulation of dynamic soil-structure interaction in shaking table testing显示文摘 | PITILAKIS D DIETZ M WOOD D M | 2008 | Soil Dynamics and Earthquake Engineering2008，28，6： | 1 |
| 15 | Equivalent linear substructure approximation of soil - foundation - structure interaction : model presentation and validation 显示文摘 | Pitilakis D Clouteau D | 2010 | Bulletin Of Earthquake Engineering2010，8，2： | 1 |
| 16 | ShearModulus and damping ratio of cohesive soils显示文摘 | KALLIOGLOU P TIKA T H PITILAKIS K | 2008 | Journalof Earthquake Engineering2008，12，： | 1 |
| 17 | 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 |
| 18 | Numerical simulation of dynamic soil-structure interact in shaking table testing显示文摘 | Pitilakis D Matt D | 2008 | Soil Dynamics and Earthquake Engineering2008，28，： | 1 |
| 19 | Numerical simulation of dynamic soil-structure interaction in shaking table testing显示文摘 | PITILAKIS D DIETZ M WOOD D M | 2008 | Soil Dynamics and Earthquake Engineering2008，28，6： | 1 |
| 20 | Seismic wave amplification: Basin geometry vs soil layering显示文摘 | J.F. Semblat M. Kham E. Parara P.Y. Bard K. Pitilakis K. Makra D. Raptakis | 2005 | Soil Dynamics and Earthquake Engineering2005，，7： | 1 |
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