Search Results - "JunHwan Lee"

Comparative Analysis of Various Interaction Effects for Piled Rafts in Sands Using Centrifuge Tests by Park, Dongyu, Lee, Junhwan

“…AbstractIn the current study, the load responses and interaction effects of piled rafts embedded in sands were investigated. A series of centrifuge load tests…”
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Detection and Mitigation of Spoofing Attacks Against Time Synchronization and Positioning by Lee, Junhwan, Schmidt, Erick, Gatsis, Nikolaos, Akopian, David

“…Global Navigation Satellite System (GNSS) receivers are vulnerable to intentional spoofing attacks which can manipulate position, velocity, and time (PVT)…”
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Tuning-Free, Low Memory Robust Estimator to Mitigate GPS Spoofing Attacks by Junhwan Lee, Taha, Ahmad F., Gatsis, Nikolaos, Akopian, David

“…The operation of critical infrastructures, such as the electrical power grid, cellphone towers, and financial institutions relies on precise timing provided by…”
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Analysis of load sharing behavior for piled rafts using normalized load response model by Lee, Junhwan, Park, Donggyu, Choi, Kyujin

“…The behavior of piled rafts is complex because of the combined nature of raft and piles that behave as a unit. For the optimized design of piled rafts, it is…”
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Estimation of bearing capacity for multiple footings in sand by Lee, Junhwan, Eun, Jongwan

“…In the present study, the effects of multiple-footing configurations in sand on bearing capacity were investigated using field plate load tests and finite…”
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Characterizing the hydraulic conductivity of soil based on the moving average of precipitation and groundwater level using a regional database by Kim, Bokyung, Roh, Gyeomju, Lee, Jiyeong, Yoon, Jonghyeog, Lee, Junhwan

“…Abstract Hydraulic conductivity is an important geological and geotechnical characteristic, necessary for flow-related problems and underground construction…”
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Estimation of Bearing Capacity of Circular Footings on Sands Based on Cone Penetration Test by Lee, Junhwan, Salgado, Rodrigo

“…In the present paper, the estimation of limit unit bearing capacity qbL of axially loaded circular footings on sands based on cone penetration test cone…”
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Improved Performance of Electrical Transmission Tower Structure Using Connected Foundation in Soft Ground by Kyung, Doohyun, Choi, Youngho, Jeong, Sangseom, Lee, Junhwan

“…A connected foundation is an effective foundation type that can improve the structural performance of electrical transmission towers in soft ground as a…”
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Estimation of Lateral Load Capacity of Rigid Short Piles in Sands Using CPT Results by Lee, Junhwan, Kim, Minki, Kyung, Doohyun

“…Conventional methods for the estimation of the ultimate lateral pile load capacity are typically based on certain expressions of the lateral soil resistance pu…”
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Enhancing Pullout Load Capacity of Helical Anchor in Clay with Adjusted Load Application Point under Inclined Loading Condition by Lee, Jiyeong, Lee, Junhwan

“…AbstractIn this study, the effect of load application point (zp) on the load capacity (Qu) of helical anchors under inclined loading condition was…”
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Performance Analysis of ANN Prediction for Groundwater Level Considering Regional‐Specific Influence Components by Kim, Incheol, Lee, Junhwan

“…Groundwater level (GWL) varies periodically or non‐periodically with various factors including precipitation, river stage (RS) change, sea level, and…”
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Estimation of Load Capacity of Pipe Piles in Sand Based on Cone Penetration Test Results by Lee, Junhwan, Salgado, Rodrigo, Paik, Kyuho

“…Pipe piles can be classified as either closed- or open-ended piles. In the present paper, the load capacity of both closed- and open-ended piles is related to…”
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Enhanced Data Utilization Approach to Improve the Prediction Performance of Groundwater Level Using Semianalytical and Data Process Models by Kim, Incheol, Lee, Junhwan

“…AbstractMethods for the estimation of groundwater level (GWL) are often based on knowledge- and data-based approaches, which are largely affected by the…”
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Compared analysis of settlements for deep and shallow foundations with groundwater fluctuation using centrifuge tests by Lee, Jiyeong, Lee, Junhwan

“…In this study, the effects of groundwater level (GWL) fluctuation on settlements of footing and pile in sand were investigated based on results from the…”
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A Study of Flare Variation in Extreme Ultraviolet Lithography for Sub-22 nm Line and Space Pattern by Lee, Junhwan, Song, Kangyoo, Kim, Changreol, Kim, Yongdae, Kim, Ohyun

“…One of the critical issues in extreme ultraviolet lithography (EUVL) is flare, which is an integrated light scattering from surface roughness in the EUVL…”
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Uplift Load-Carrying Capacity of Single and Group Micropiles Installed with Inclined Conditions by Kyung, Doohyun, Lee, Junhwan

“…AbstractIn this study, the uplift load-carrying capacity of micropiles was investigated, focusing on the effect of various installation conditions including…”
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Stiffness degradation and shear strength of silty sands by Lee, Junhwan, Salgado, Rodrigo, Carraro, J Antonio H

“…Soils behave nonlinearly from very early loading stages. When granular soils contain a certain amount of fines, the degree of nonlinearity also changes, as…”
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Proposed Correlation Model for Groundwater Level Prediction Based on River Stage Considering Changes in Hydrological and Geological Conditions by Kim, Incheol, Lee, Junhwan

“…AbstractThe groundwater level (GWL) is an important subsoil condition that affects water resource management, soil contamination analysis, and infrastructure…”
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Characterizing future groundwater level based on precipitation and river stage considering climate change by Kim, Bokyung, Nam, Donggun, Lee, Junhwan

“…Change in groundwater level (GWL) is an important consideration for establishing adaptive strategies against climate change to ensure the sustainability of…”
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Interaction effects on load-carrying behavior of piled rafts embedded in clay from centrifuge tests by Park, Donggyu, Lee, Junhwan

“…In the present study, various interaction effects and load-carrying behavior of piled rafts embedded in clay were investigated. For this purpose, a series of…”
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