Catholic Kwandong University

Failure mechanism of a small vertical pier under post-typhoon wind-wave forcing

This study investigated the failure process and major contributing factors of the north pier at Hongdo, located off the southwestern coast of Korea, which has experienced repeated damage and a history of repair and reinforcement. The 2016 damage event was selected for detailed an...

Spatial Stratification of Urban Commercial Land: A Convergence and Diagnostic Framework for Seoul’s Commercial Districts

Commercial districts constitute an intensively used form of urban land, yet little is known about how commercial vitality is distributed across an entire urban land system, whether spatial disadvantage persists over time, and how such evidence can inform differentiated land gover...

Explainable ECG-derived cardiac aging pattern assessment using PTB-XL with a lightweight web prototype

Abstract This study aimed to investigate whether explainable features extracted from standard 12-lead electrocardiography (ECG) can be used to identify older adults and assess ECG-derived cardiac aging patterns, and to implement the resulting model as a lightweight web-based inte...

Dynamics of Bacterial Communities and Predicted Functional Profiles During Hyperthermophilic Composting of Anaerobically Digested Sludge

Hyperthermophilic composting (HTC) is a promising approach for rapidly stabilizing organic waste and valorizing municipal biological residues; however, the microbial mechanisms underlying biomass conversion under hyperthermophilic conditions remain insufficiently understood. In t...

Association of the COVID-19 lockdown and Generalized Anxiety Disorder-7 (GAD-7) in Korean adolescents

Coronavirus disease 2019 (COVID-19) is a worldwide pandemic that causes anxiety. Research on possible risk factors for anxiety during the COVID-19 pandemic is scarce. In this study, we examined 54,890 participants’ web-based self-reported data from the Korea Youth Risk Behavior W...