Explanipedia

Dynamic load transfer behavior of piled raft foundations in saturated sand using 1g shaking table tests Open

Ruslan Khamitov, Sangseom Jeong · 2025

Analyses of Pile-Supported Structures with Base Isolation Systems by Shaking Table Tests Open

Sumin Song, Sangseom Jeong · 2024

The dynamic behavior of a pile-supported structure with a base isolator was investigated by using 1 g shaking table model tests considering soil–structure interaction (SSI). The emphasis was placed on evaluating the effect of the with/with…

1g shaking table tests for small scale superstructure - pile groups in sandy soil Open

Sumin Song, Sangseom Jeong · 2023

In this study, 1g shaking table tests were performed with a superstructure supported group pile to investigate the dynamic response of soil-structure interaction with rigid base and deep foundation. The super and sub structure were modeled…

Soil-Structure Interaction Analysis on a Single Pile Foundation by Shaking Table Tests Open

Sumin Song, Sangseom Jeong · 2023

Low Compressibility at the Transition Zone of Railway Tracks Reinforced with Cement-Treated Gravel and a Geogrid under Construction Open

Seongyong Park, Dae Sang Kim, Ungjin Kim, Sangseom Jeong · 2022

In the transition zone of railway tracks, track irregularities occur frequently due to differential settlement, which arises from the difference between the vertical supporting stiffness of the abutment and the backfill. This is disadvanta…

Analysis Result of the High-Energy Cosmic-Ray Proton Spectrum from the ISS-CREAM Experiment Open

Gwangho Choi, S. Aggarwal, Y. Amare, D. Angelaszek, D. P. Bowman , et al. · 2021

The Cosmic Ray Energetics And Mass for the International Space Station (ISS-CREAM) experiment successfully recorded the data for about 539 days from August 2017 to February 2019. In this talk, we report the measurement of the cosmic-ray pr…

Nonlinear Analysis of Shear Behavior on Pile-Sand Interface Using Ring Shear Tests Open

Sangseom Jeong · 2021

Analysis on shaft resistance of the steel pipe prebored and precast piles based on field load-transfer curves and finite element method Open

Do‐Hyun Kim, Sangseom Jeong, Jongjeon Park · 2020

Shaft resistance is the major source of bearing capacity and has a critical effect on settlement of prebored and precast pile (PPP). In this paper, the load-transfer behavior and shaft resistance of steel pipe PPP was observed based on rea…

Analysis for Laterally Loaded Offshore Piles in Marine Clay Open

Sangseom Jeong, Young-Ho Kim · 2020

The Effectiveness of a Wireless Sensor Network System for Landslide Monitoring Open

Sangseom Jeong, Junyoung Ko, Junghwan Kim · 2019

In this paper, the application of a WSN (Wireless Sensor Network) for landslide monitoring was studied. The WSN system consists of a sensor node for collecting and transmitting data using the IEEE 802.14e standard and a gateway for process…

On-orbit Performance of the ISS-CREAM Calorimeter Open

Ki Chun Kim, Y. Amare, D. Angelaszek, N Anthony, Gwan Hyun Choi , et al. · 2019

International audience

Influences of rainfall infiltration and hysteresis SWCC of unsaturated soil on settlement of shallow foundations Open

Sangseom Jeong, Yongmin Kim, Hyundo Park · 2019

Influences of rainfall infiltration on the settlement of shallow foundations in unsaturated soil were numerically investigated. A computer based finite element analysis using PLAXIS 2D is used to estimate the effects of rainfall infiltrati…

Numerical analysis on the behavior of the debris flows and impact force on check dams Open

Kwangwoo Lee, Sangseom Jeong, Hyunki Kim · 2019

Debris flows with high velocity may have enormous impact forces on obstacles in their flow paths. It is necessary to install protective structures, such as check dams that slow down or interrupt the debris flows from affecting adjacent inf…

A Study on the Load Distribution Ratio and Axial Stiffness on Existing and Reinforcing-Pile in Vertical Extension Remodeling Open

Sangseom Jeong · 2019

Proposed Shear Load-transfer Curves for Prebored and Precast Steel Piles Open

Do‐Hyun Kim, Jongjeon Park, Yong-Chai Chang, Sangseom Jeong · 2018

A Wireless Sensor Network Technique and its Application in Regional Landslide Monitoring Open

Sangseom Jeong · 2018

Susceptibility Assessments of Landslides in Hulu Kelang Area Using a Geographic Information System-Based Prediction Model Open

Sangseom Jeong, Azman Kassim, Moonhyun Hong, Nader Saadatkhah · 2018

This study was conducted to estimate the susceptibility of landslides on a test site in Malaysia (Hulu Kelang area). A Geographic Information system (GIS)-based physical model named YS-Slope, which integrates a mechanistic infinite slope s…

Immediate Settlement of Ring Footings Resting on Inhomogeneous Finite Stratum Open

Joon Lee, Sangseom Jeong · 2018

This paper describes the immediate settlement of uniformly loaded rough ring footings with any stiffness on an inhomogeneous finite layer overlying a rough rigid base, which is not yet covered in the literature. Numerical solutions for a w…

Analysis of Bearing Capacity and Safety Factor of Dynamic Load Test of Prebored and Precast Steel Pile Open

Jongjeon Park, Sangseom Jeong, Jeong‐Sik Park · 2018

Application of a Coupled Eulerian-Lagrangian Technique on Constructability Problems of Site on Very Soft Soil Open

Junyoung Ko, Sangseom Jeong, Junghwan Kim · 2017

This paper presents the application of the Coupled Eulerian–Lagrangian (CEL) technique on the constructability problems of site on very soft soil. The main objective of this study was to investigate the constructability and application of …

Settlement Behavior of Shallow Foundations in Unsaturated Soils under Rainfall Open

Yongmin Kim, Hyundo Park, Sangseom Jeong · 2017

Shallow foundations are often situated on unsaturated zones above the groundwater table. In this study, the influence of rainfall infiltration on the settlement behavior of shallow foundations was investigated using numerical analyses. The…

Analysis of Rainfall-Induced Landslide on Unsaturated Soil Slopes Open

Sangseom Jeong, Kwangwoo Lee, Junghwan Kim, Yongmin Kim · 2017

This paper investigates rainfall-induced landslides on partially saturated soil slopes using the 2011 Umyeonsan landslides at the center of Seoul, Korea. An integrated analysis of rainfall-induced landslide was carried out through laborato…

A Study on Rock Mass Classifications and Tunnel Support Systems in Unconsolidated Sedimentary Rock Open

Junyoung Ko, Sangseom Jeong · 2017

This paper presents new valuable field data and a comprehensive approach to the determination of the rock mass classification and tunnel support systems for tunnels in unconsolidated sedimentary rocks as a special soil condition. The main …

A Study on the Excavation Damage Zone (EDZ) under TBM Advancement Based on Large Deformation Technique (Coupled Eulerian-Lagrangian) Open

Seung-yeon Lee, Do‐Hyun Kim, Sangseom Jeong · 2016

본 연구에서는 대변형 해석기법 중 하나인 Coupled Eulerian-Lagrangian 해석기법을 적용하여 TBM 굴진으로 발생하는 굴착손상영역을 분석하였다. 실제 TBM 굴진과정을 모사하기 위해 quasi-static 조건을 고려하여 동적해석을 수행하였으며, 해석시간의 효율성과 정확도를 만족시키는 최적의 조건을 찾기 위해 mesh 및 TBM 굴진속도를 변수로 하여 case study를 수행하였다. 또한 암반 종류 및 터…

A Proposed Analytical Model for the Debris Flow with Erosion and Entrainment of Soil Layer Open

Kwang‐Woo Lee, Hyundo Park, Sangseom Jeong · 2016

Influence Factors on the Degree of Soil Plugging for Open-Ended Piles Open

Sangseom Jeong, Junyoung Ko · 2016

개단말뚝은 폐색정도에 따라 지지력이 다르게 나타나므로 개단말뚝 설계시 폐색효과를 고려하여야 한다. 이에 본 연구에서는 대변형 수치해석 기법 중 하나인 Coupled Eulerian-Lagrangian(CEL) 기법을 이용하여 말뚝의 항타 관입을 모사하여 사질토, 점성토 지반조건, 단일 지반의 탄성계수, 말뚝 선단지지 조건, 다층지반 조건에 대한 영향 분석을 수행하였다. 해석 결과 사질토 지반에서 점성토 지반보다 폐색정도가 큰…

Rainfall Threshold (ID curve) for Landslide Initiation and Prediction Considering Antecedent Rainfall Open

Moonhyun Hong, Junghwan Kim, Gyungja Jung, Sangseom Jeong · 2016

본 연구에서는 국내 산사태 발생을 예측하기 위하여 선행강우의 영향을 고려한 산사태 유발 강우기준(Intensity-Duration, ID curve)을 제안하였다. 1999년부터 2013년까지 국내에서 유발된 202개의 산사태에 대하여, 기상청 강우자료를 바탕으로 산사태 발생 시점 이전의 시강우량 데이터를 수집하고 분석하였다. 선행강우의 영향을 고려하기 위해 강우사상간 시간(Inter event time definition,…

A Study on the Rational Application of 3D Numerical Analysis for Anchored Earth Retaining Wall Open

Sangseom Jeong, Jae-Uk Sim, Sungjune Lee · 2016

본 연구에서는 경사지층에 설치된 앵커지지 흙막이 벽체의 거동분석에 있어서 2차원 및 3차원 유한요소해석을 이용하여 굴착심도(H), 굴착폭(L) 및 지반조건의 영향에 따른 수치해석방법의 정확성 및 적용성에 대하여 비교분석하였다. 폐합단면이 아닌 선형방향으로 설치된 흙막이 벽체의 굴착면을 따라서 지층의 변화가 급격한 구간에서 2개의 단면을 선정하여 2차원 유한요소해석을 수행하였으며, 이 2개의 단면을 포함하는 전체 구간의 3차원…

Analysis of skin friction in prebored and precast piles Open

Sangseom Jeong, Gyoungja Jung, Dohyun Kim, Jongjeon Park · 2016

Skin fricrion may be one of the most critical factors in designing the prebored and precast pile. Special attention was given to the interface behavior of pile-cement milk-surrounding soil during the installation of prebored ans precast pi…

Inner skin friction of open-ended piles considering the degree of soil plugging Open

Sangseom Jeong, Junyoung Ko · 2016

This paper presents an experimental study of the plugging effect on the capacity of open-ended piles installed in sandy soil. Full-scale tests, including dynamic and static axial-compression load tests, were carried out on three instrument…

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