default author photo

Hangseok Choi

Korea University

SCHOLARLY PAPERS

22

DOWNLOADS

1,142

TOTAL CITATIONS

2

Scholarly Papers (22)

Effect of Clay Content, Initial Degree of Saturation, and Swelling Potential on Longitudinal Dispersivity in Sand-Clay Mixtures

Number of pages: 32 Posted: 23 Jul 2024
Jongmuk Won, Subin Yang, Hojoon Kwon and Hangseok Choi
affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University and Korea University
Downloads 41 (1,210,354)

Abstract:

Loading...

longitudinal dispersivity, unsaturated soils, column experiment, sand-clay mixture, swelling potential

Effect of Clay Content, Initial Degree of Saturation, and Swelling Potential on Longitudinal Dispersivity in Sand-Clay Mixtures

Number of pages: 32 Posted: 26 Nov 2024
Jongmuk Won, Subin Yang, Hojoon Kwon and Hangseok Choi
affiliation not provided to SSRN, Northwestern University, Korea University and Korea University
Downloads 29 (1,385,838)

Abstract:

Loading...

longitudinal dispersivity, unsaturated soils, column experiment, sand-clay mixture, swelling potential

Effect of Clay Content, Initial Degree of Saturation, and Swelling Potential on Longitudinal Dispersivity in Sand-Clay Mixtures

Number of pages: 32 Posted: 03 Dec 2024
Jongmuk Won, Subin Yang, Hojoon Kwon and Hangseok Choi
affiliation not provided to SSRN, Northwestern University, Korea University and Korea University
Downloads 29 (1,385,838)

Abstract:

Loading...

longitudinal dispersivity, unsaturated soils, column experiment, sand-clay mixture, swelling potential

2.

Assessing the Reuse of Liquid Nitrogen in Artificial Ground Freezing Through Field Experiments

Number of pages: 34 Posted: 14 Aug 2022
Korea Institute of Civil Engineering and Building Technology, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University, Korea University and University of Ulsan
Downloads 79 (809,932)
Citation 1

Abstract:

Loading...

Artificial ground freezing, liquid nitrogen, reuse, field experiment, frozen wall

3.

Optimizing Over-Excavation Management in Epb Shield Tbm Tunneling Through Anomaly Detection Combining Explainable Machine Learning and Data Augmentation

Number of pages: 31 Posted: 29 Aug 2024
Korea University, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University and Korea University
Downloads 70 (883,195)

Abstract:

Loading...

EPB shield TBM, Over-excavation, Anomaly detection, Explainable machine learning, Data augmentation

4.

A Generalized Formula for Predicting Soil Compression Index Using Symbolic Regression

Number of pages: 30 Posted: 03 Jun 2024
Vietnam National University - Ho Chi Minh City (VNU-HCM) - International University, Ulsan National Institute of Science and Technology (UNIST), Korea University, Korea University and Korea University
Downloads 67 (924,743)

Abstract:

Loading...

compressive behaviors, symbolic regression, compression index

Optimization of Electrical Resistivity Survey Utilizing Modified Harmony Search Algorithm to Predict Anomalous Zone Ahead of Tunnel Faces

Number of pages: 43 Posted: 09 Mar 2023
Korea University, Korea University, Korea University, Korea University and Korea University
Downloads 40 (1,210,354)

Abstract:

Loading...

Optimization, anomalies, electrical resistivity, geological risks, laboratory chamber test, harmony search algorithm

Optimization of Electrical Resistivity Survey Utilizing Modified Harmony Search Algorithm to Predict Anomalous Zone Ahead of Tunnel Faces

Number of pages: 48 Posted: 09 Aug 2023
Korea University, Korea University, Korea University, Korea University and Korea University
Downloads 22 (1,473,203)

Abstract:

Loading...

Optimization, anomalies, electrical resistivity, geological risks, laboratory chamber test, harmony search algorithm

6.

Effect of Tube-in-Tube Configuration on Thermal Performance of Coaxial-Type Ground Heat Exchanger

Number of pages: 37 Posted: 15 Feb 2022
affiliation not provided to SSRN, Government of the Republic of Korea - Korea Military Academy, Korea University, affiliation not provided to SSRN and Korea University
Downloads 62 (942,565)

Abstract:

Loading...

Coaxial-type ground heat exchanger (GHEX), Turbulent flow, Thermal performance, Computational fluid dynamic (CFD) model, Parametric study

7.

Coupled Dem-Fdm Numerical Model for Epb Shield Tunnelling Simulation with Foam Conditioning

Number of pages: 40 Posted: 18 Aug 2023
affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University and Korea University
Downloads 61 (961,006)

Abstract:

Loading...

coupled numerical analysis, discrete element method, earth pressure balance shield, finite difference method, soil conditioning, tunnel boring machine

8.

Construction Monitoring and Analysis of Deep Excavation Reinforced by Artificial Ground Freezing in Nakdong River Deltaic Deposits

Number of pages: 42 Posted: 09 Oct 2023
Korea University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Korea University
Downloads 58 (1,000,027)

Abstract:

Loading...

Deep excavation, Diaphragm wall, Frost expansion, Ground freezing, Tunnel restoration

9.

Pore Fluid Effects on the Consolidation and Creep Behavior of Clay-Rich Mudrocks: Experimental Study on Brine/Oil Saturated Kaolinite

Number of pages: 41 Posted: 12 Dec 2025
Sangyeong Park, Hangseok Choi and Kiseok Kim
affiliation not provided to SSRN, Korea University and Texas A&M University
Downloads 52 (1,041,696)

Abstract:

Loading...

Consolidation, creep, kaolinite, Permeability, Fluid viscosity, Fluid polarity

10.

Laboratory Simulations on Hybrid Non-Destructive Survey of Electrical Resistivity and Induced Polarization to Predict Geological Risks Ahead of a Tbm Tunnel

Number of pages: 40 Posted: 27 Oct 2022
Korea University, Korea University, Korea University, Korea University and Korea University
Downloads 52 (1,041,696)

Abstract:

Loading...

Tunnel boring machine, hazardous ground conditions, electrical resistivity survey, induced polarization survey, laboratory chamber test

11.

Thermal and Mechanical Impact of Artificial Ground-Freezing on Deep Excavation Stability in Nakdong River Deltaic Deposits

Number of pages: 39 Posted: 14 Jun 2024
Korea University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Korea University
Downloads 49 (1,086,013)

Abstract:

Loading...

Deep excavation, Diaphragm wall, Frost expansion, Ground freezing, Tunnel restoration

12.

Thermal Conductivity and Strength of Deep Fluvial-Deltaic Deposits, Nakdong River, South Korea, for Designing Artificial Ground Freezing

Number of pages: 28 Posted: 08 Sep 2023
Sangyeong Park, Minkyu Kang, Sewon Kim and Hangseok Choi
Korea University, Korea University, Korea Institute of Civil Engineering and Building Technology and Korea University
Downloads 48 (1,086,013)

Abstract:

Loading...

Artificial ground freezing, Delta region, Experimental study, frozen soil, Nakdong River

13.

Deep Learning-Based Rebar Clutter Elimination in Gpr Imaging for Enhanced Backfill Grout Inspection in Shield Tbm Segment Linings

Number of pages: 37 Posted: 09 Oct 2024
Korea University, Korea University, Korea University and Korea University
Downloads 45 (1,121,190)
Citation 1

Abstract:

Loading...

ground-penetrating radar (GPR), rebar-clutter elimination, Deep Learning, tunnel-boring machine (TBM), backfill grout inspection

14.

Toward Developing a Hybrid Temperature Control System for Real-Time Railway Safety Management

Number of pages: 27 Posted: 10 Aug 2023
Vietnam National University - Ho Chi Minh City (VNU-HCM) - International University, Korea Institute of Civil Engineering and Building Technology, Korea University, Korea University and Korea University
Downloads 44 (1,145,425)

Abstract:

Loading...

railway temperature, Bayesian LSTM, monitoring system, railway safety

15.

Applicability of Biopolymer Chitosan as a Sustainable Coagulant for Bentonite Slurry Treatment in Slurry Shield Tbm Operations

Number of pages: 24 Posted: 25 Oct 2024
Korea University, Korea University, Korea University, affiliation not provided to SSRN and Korea University
Downloads 42 (1,183,237)

Abstract:

Loading...

Tunnel Boring Machine (TBM), Coagulation, Flocculation, Bentonite, Slurry, Chitosan, Hydraulic conductivity

16.

Predicting Geological Risks Ahead of a Tunnel Face Using Electrical Resistivity Survey: A Numerical and Machine Learning Approach

Number of pages: 35 Posted: 12 Jun 2023
Korea University, Vietnam National University - Ho Chi Minh City (VNU-HCM) - International University, Korea University, Korea University and Korea University
Downloads 40 (1,183,237)

Abstract:

Loading...

tunnel, electrical resistivity, geological risks, numerical analysis, machine learning algorithm

17.

Laboratory Investigation on Excavation Performance of Foam-Conditioned Weathered Granite Soil for Epb Shield Tunneling

Number of pages: 23 Posted: 09 Mar 2023
University of Ulsan, affiliation not provided to SSRN, Korea Development Bank, affiliation not provided to SSRN and Korea University
Downloads 40 (1,183,237)

Abstract:

Loading...

weathered granite soil, earth pressure balance, foam, soil conditioning, tunnel boring machine

18.

Two-Stage Machine Learning Framework to Predict Surface Deformation During Tbm Excavation in Urban Areas

Number of pages: 26 Posted: 25 Aug 2023
Dongku Kim, Kibeom Kwon, Sewon Kim and Hangseok Choi
Korea Institute of Civil Engineering and Building Technology, Korea University, Korea Institute of Civil Engineering and Building Technology and Korea University
Downloads 39 (1,222,651)

Abstract:

Loading...

surface deformation prediction, Machine Learning, shield TBM, urban area tunneling

19.

Empirical Formulas for Borehole Thermal Resistance of Parallel U-Type Cast-in-Place Energy Pile

Number of pages: 37 Posted: 01 Apr 2022
Government of the Republic of Korea - Korea Military Academy, affiliation not provided to SSRN, Korea University and Korea University
Downloads 39 (1,196,171)

Abstract:

Loading...

Ground heat exchanger, Borehole thermal resistance, Cast-in-place energy pile, U-type heat exchange pipe, Thermal performance test

20.

A Novel Approach to Estimate Sand Particle-Size Using Convolutional Neural Network with Acoustic Sensing

Number of pages: 30 Posted: 29 Aug 2023
Pukyong National University, Pukyong National University, University of Ulsan, University of Ulsan and Korea University
Downloads 36 (1,249,711)

Abstract:

Loading...

Particle size, sand, convolutional neural network, ultrasound signal, classification

21.

A Self-Supervised Learning Framework Based on Autoencoder for Severe Settlement Detection in Tbm Operation

Number of pages: 34 Posted: 02 Sep 2024
Korea University, Korea University, Vietnam National University - Ho Chi Minh City (VNU-HCM) - International University, affiliation not provided to SSRN and Korea University
Downloads 31 (1,304,549)

Abstract:

Loading...

Tunnel boring machine, Ground settlement, Anomaly detection, Autoencoder

22.

Thermal Performance Design and Analysis Method for Energy Cast-in-Place Piles (E-Cips) Installed in Diaphragm Walls

Number of pages: 35 Posted: 12 Feb 2023
affiliation not provided to SSRN, affiliation not provided to SSRN, Government of the Republic of Korea - Korea Military Academy, Korea University and Korea University
Downloads 27 (1,359,097)

Abstract:

Loading...

energy cast-in-place pile (E-CIP), steel pipe heat exchanger (SPHX), double-I-beam (DIB), thermal performance test (TPT), computational fluid dynamics (CFD) model