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dc.contributor.authorLin, Szu-Yunen_US
dc.contributor.authorHung, Hsiao-Huien_US
dc.contributor.authorYang, Judy P.en_US
dc.contributor.authorYang, Y. B.en_US
dc.date.accessioned2018-08-21T05:53:03Z-
dc.date.available2018-08-21T05:53:03Z-
dc.date.issued2017-09-01en_US
dc.identifier.issn1532-3641en_US
dc.identifier.urihttp://dx.doi.org/10.1061/(ASCE)GM.1943-5622.0000940en_US
dc.identifier.urihttp://hdl.handle.net/11536/144213-
dc.description.abstractThe two-dimensional (2D) dynamic response of horizontally aligned, cylindrical twin tunnels subjected to vertically incident seismic waves was simulated by a finite/infinite element approach. A rational approach was proposed for imposing the earthquake forces using free-field recorded data. First, the earthquake motion recorded on the free field was transferred to that on the boundary of the near field using the one-dimensional (1D) wave theory. Second, the motion data were computed as the equivalent seismic forces and applied on the near-field boundary in the frequency domain. In this study, the data from the 1999 Chi-Chi earthquake recorded at the TAP003 station were adopted. The accuracy of the procedure for imposing the free-field earthquakes was first verified. Then, a parametric study was performed to investigate the effects of spacing between the twin tunnels, depths of tunnels, and stiffness of tunnel lining under seismic excitation. The results of the analysis indicate that although the depth and spacing of the twin tunnels have less effect on ground response, they are important parameters for the seismic responses of the tunnels. (C) 2017 American Society of Civil Engineers.en_US
dc.language.isoen_USen_US
dc.subjectEarthquakeen_US
dc.subjectFinite element method (FEM)en_US
dc.subjectInfinite element methoden_US
dc.subjectSoil-structure interactionen_US
dc.subjectHalf-spaceen_US
dc.subjectTunnelen_US
dc.subjectTwin tunnelsen_US
dc.titleSeismic Analysis of Twin Tunnels by a Finite/Infinite Element Approachen_US
dc.typeArticleen_US
dc.identifier.doi10.1061/(ASCE)GM.1943-5622.0000940en_US
dc.identifier.journalINTERNATIONAL JOURNAL OF GEOMECHANICSen_US
dc.citation.volume17en_US
dc.contributor.department土木工程學系zh_TW
dc.contributor.departmentDepartment of Civil Engineeringen_US
dc.identifier.wosnumberWOS:000417679300022en_US
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