Pukyong National University Student's Research Published in Top Geotechnical Engineering Journal

Song Changho's Paper Published in "Engineering Geology"
Recognized for Research on Debris Flow Impact Pressure Estimation
Contributes to Advancing Mountain Disaster Prevention Facility Design

The research paper by Song Changho, a doctoral student in the Department of Ocean Engineering at Pukyong National University, has been published in a top-tier international journal in the field of geotechnical engineering (IF 8.4, top 2.3% in JCR field), earning recognition for his research achievements.

Song Changho PhD Student, Kim Yuntae Professor. Courtesy of National Pukyong University

The published paper is titled "Numerical estimation of debris flow impact pressure on barriers using Froude number-based empirical coefficient" (supervising professor: Kim Yuntae).

"Engineering Geology," according to Clarivate's Journal Citation Reports (JCR), ranks second out of 65 journals in the Engineering, Geological category (top 2.3%) as a Q1 journal. It is recognized worldwide for its influence in the fields of geohazards, slope stability, and debris flow modeling.

In this study, Song Changho proposed an empirical coefficient based on the Froude number to more accurately predict the dynamic impact pressure of debris flow on structures.

This research is highly regarded for its academic contribution, as it systematically derived the coefficient values through hydraulic model experiments and numerical analysis.

In particular, the study enables a more quantitative assessment of debris flow impact pressure under high Froude number conditions compared to existing methods. It is expected to make a practical contribution to improving design standards for mountain disaster prevention facilities and to the development of risk analysis models in the future.

Song Changho conducted this research as a member of the "Marine Urban Disaster and Hazard Mitigation Technology Education and Research Team," which is supported by the Ministry of Education's 4th phase BK21 project, achieving outstanding results.

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