What question did this study set out to answer?

To investigate the damage patterns, failure causes, and seismic performance of an aged school building reinforced with external shear walls after experiencing a magnitude 6.4 earthquake.

September 17, 2026Earthquake Spectra

Seismic Performance Assessment of a School Building Strengthened With External Shear Walls During an M L 6.4 Earthquake in Taiwan

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Authors

JLJui‐Liang Lin CMChung‐Chun Ma MCMing‐Chieh Chuang

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Overview

Post-earthquake simulation reveals uneven column damage in retrofitted school frames, indicating that load-transfer stiffness governs structural safety.

Key Points

To investigate the damage patterns, failure causes, and seismic performance of an aged school building reinforced with external shear walls after experiencing a magnitude 6.4 earthquake.
Field reconnaissance of a 50-year-old Taiwanese school building retrofitted with corridor-external shear walls following an ML 6.4 earthquake.
Nonlinear response history analysis and parametric modeling utilizing ground motion records from two nearby seismic stations.
External shear walls remained undamaged, but the original building frame exhibited uneven column damage and cracking at beam connection joints.
Numerical simulations estimated maximum inter-story drifts of 0.011 and 0.017 rad, with corresponding displacement ductility demands reaching 1.7 and 2.6.
Identified the relative lateral stiffness of the load-transfer connection as a primary failure driver, recommending restricted wall spacing and centralized wall placement.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6aabb6725f706d05830e4e94 https://doi.org/10.1002/esp4.70118

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September 17, 2026Earthquake Spectra

Seismic Performance Assessment of a School Building Strengthened With External Shear Walls During an M L 6.4 Earthquake in Taiwan

View Full Paper

Ask AI

Bookmark

Authors

JLJui‐Liang Lin CMChung‐Chun Ma MCMing‐Chieh Chuang

Discussion

Member takes

Overview

Post-earthquake simulation reveals uneven column damage in retrofitted school frames, indicating that load-transfer stiffness governs structural safety.

Key Points

To investigate the damage patterns, failure causes, and seismic performance of an aged school building reinforced with external shear walls after experiencing a magnitude 6.4 earthquake.
Field reconnaissance of a 50-year-old Taiwanese school building retrofitted with corridor-external shear walls following an ML 6.4 earthquake.
Nonlinear response history analysis and parametric modeling utilizing ground motion records from two nearby seismic stations.
External shear walls remained undamaged, but the original building frame exhibited uneven column damage and cracking at beam connection joints.
Numerical simulations estimated maximum inter-story drifts of 0.011 and 0.017 rad, with corresponding displacement ductility demands reaching 1.7 and 2.6.
Identified the relative lateral stiffness of the load-transfer connection as a primary failure driver, recommending restricted wall spacing and centralized wall placement.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6aabb6725f706d05830e4e94 https://doi.org/10.1002/esp4.70118

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