Vahid Mohsenian
A low computational cost seismic analyses framework for 3D tunnel-form building structures
Mohsenian, Vahid; Nikkhoo, Ali; Hajirasouliha, Iman; Hejazi, Farzad
Authors
Ali Nikkhoo
Iman Hajirasouliha
Farzad Hejazi
Abstract
Numerical modeling of tunnel-form buildings entails the utilization of 3D finite element models consisting of large numbers of shell and fiber elements. Accordingly, the non-linear analysis of such models under seismic excitations is both time-consuming and computationally expensive, especially in the case of large scale structures. To address this challenge, this study investigates the efficiency of the Endurance Time Method (ETM) to evaluate the structural responses, location of damage initiation, and the overall performance of tunnel-form structures under the Design Basis Earthquake (DBE) hazard level. Comparison with results derived from pushover and time-history analyses indicated the acceptable accuracy of ETM with significantly less computational efforts. The computation time required for the ETM was less than 25% of pushover (until total failure of the system) and time history analyses on the five- and ten-story tunnel-form buildings. The maximum differences between the results of ETM and time history analysis used to estimate the story drifts and shear forces were 4–6% and 1–4.5%, respectively. Considering the reliability of ETM and its appropriate accuracy, this method can be considered as a suitable alternative to the conventional methods to provide a low computational cost seismic analyses framework for non-linear tunnel-form buildings and similar structural systems.
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 3, 2022 |
Online Publication Date | Jul 3, 2022 |
Publication Date | Oct 1, 2022 |
Deposit Date | Nov 1, 2022 |
Publicly Available Date | Nov 17, 2022 |
Journal | Advances in Structural Engineering |
Print ISSN | 1369-4332 |
Publisher | SAGE Publications |
Peer Reviewed | Peer Reviewed |
Volume | 25 |
Issue | 14 |
Pages | 2938-2952 |
DOI | https://doi.org/10.1177/13694332221113040 |
Keywords | Building and Construction, Civil and Structural Engineering, Tunnel-form system, Endurance-time method, Modal nonlinear static analysis (pushover), Time-history analysis |
Public URL | https://uwe-repository.worktribe.com/output/10112199 |
Publisher URL | https://journals.sagepub.com/doi/10.1177/13694332221113040 |
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A low computational cost seismic analyses framework for 3D tunnel-form building structures
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Copyright Statement
This is the author’s accepted manuscript of their article ‘Mohsenian, V., Nikkhoo, A., Hajirasouliha, I., & Hejazi, F. (2022). A low computational cost seismic analyses framework for 3D tunnel-form building structures. Advances in Structural Engineering, 25(14), 2938-2952’.
The final published version is available here: https://journals.sagepub.com/doi/10.1177/13694332221113040
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