Search Results - "Lee, Hee Du"
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Optical and UV Shielding Properties of Inorganic Nanoparticles Embedded in Polymethyl Methacrylate Nanocomposite Freestanding Films
Published in Polymers (01-04-2024)“…Polymethyl methacrylate (PMMA) is an interesting polymer employed in various applications due to its outstanding properties. However, its electrical and…”
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2
Design and Batch Fabrication of Stretchable Bifunctional Sensor Using Polyaniline and ZnO Nanostructures for Tensile and UV Sensing
Published in IEEE sensors journal (15-06-2024)“…The rapid advancement of wearable devices has increased interest in electronic skin (<inline-formula> <tex-math notation="LaTeX">e…”
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3
The Effects of Stand Density Control on Carbon Cycle in Chamaecyparis obtusa (Siebold and Zucc.) Endl. Forests
Published in Forests (01-02-2023)“…This study was conducted to quantify the carbon storage in each pool (including trees, forest floor, and soil) and to analyze the carbon cycle in a…”
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4
Experiments and Design of an Anti-Disaster Support System for Apple Orchards
Published in Applied sciences (01-09-2023)“…A number of apple trees have collapsed in South Korea due to strong winds caused by typhoons. In fact, apple trees are protected by various types of support…”
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5
Multifunctional Smart Ball Sensor for Wireless Structural Health Monitoring in a Fire Situation
Published in Sensors (Basel, Switzerland) (03-08-2020)“…A variety of sensor systems have been developed to monitor the structural health status of buildings and infrastructures. However, most sensor systems for…”
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Design Methodology of U-Shaped Infilled Composite Beams with Angled Shear Connectors Using Finite Element Analysis
Published in Buildings (Basel) (01-09-2023)“…A composite beam is a structural member that behaves as a single unit by using shear connectors between a concrete slab and an I-shaped steel girder. The…”
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Dynamic response of RC frames retrofitted with friction-damped brace system through shaking table tests
Published in Case Studies in Construction Materials (01-07-2024)“…This study presents the shaking table test results of two-dimensional reinforced concrete (RC) frames retrofitted with a simplified friction damped brace. An…”
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8
Angle shear connectors: Pushout tests, numerical simulations and shear strength model
Published in Results in engineering (01-03-2024)“…Despite several advantages i.e. ease in fabrication and installation, economic design, higher structural performance etc., the use of angle shear connector has…”
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Strength Evaluation of End-Plate Connections Using Stiffness Reduction Factor
Published in International journal of steel structures (01-06-2023)“…The cross-sections of the Pre-engineered Buildings (PEBs) are efficiently proportioned in accordance with the external forces compared to the conventional…”
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10
Performance of angle shear connectors for U-shaped steel concrete infilled composite beams
Published in Heliyon (15-02-2024)“…The current design codes i.e. AISC 360-16, CSA-S16-19, EC-04 etc. provide empirical relationships to estimate the capacity of shear connectors which were…”
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11
Post-Tensioning Steel Rod System for Flexural Strengthening in Damaged Reinforced Concrete (RC) Beams
Published in Applied sciences (01-10-2018)“…In this study, a post-tensioning method using externally unbonded steel rods was applied to pre-damaged reinforced concrete beams for flexural strengthening…”
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12
The Measurement of Construction Error Technology for Deformable Modular System by Image Processing
Published in International journal of steel structures (01-12-2022)“…Modular structures are growing into a promising field in the construction field. However, the error between bolting, which occurs during on-site construction…”
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13
Design Procedure and Ultimate Capacity of New Turnbuckle for Measuring Tensile Force
Published in International journal of steel structures (01-04-2021)“…A turnbuckle is a device that is installed between tension wires or rods for the purpose of adjusting the tensile force and length of tension members. Tensile…”
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14
Structural Performance Evaluation of Modular Connections Using Developed Blocks
Published in International journal of steel structures (01-08-2021)“…The use of modular structures involves the rapid on-site assembly of members that were pre-manufactured in a factory. Research into this approach has recently…”
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15
Numerical Study on the Deformation Behavior of Longitudinal Plate-to-High-Strength Circular Hollow-Section X-Joints under Axial Load
Published in Applied sciences (01-10-2019)“…This study aims to investigate the joint strength of longitudinal plate-to-high-strength steel circular hollow-section X-type joints under plate axial load…”
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16
Shaking Table Test and Analysis of Reinforced Concrete Frame with Steel Shear Wall with Circular Opening and Slit Damper
Published in International journal of steel structures (01-11-2018)“…Earthquakes of 5.8 and 5.4 Richter scale recently occurred one after another in Korea, changing the Korean peninsula from an earthquake safe zone but…”
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Trimerization of isobutene over a zeolite beta catalyst
Published in Journal of catalysis (2007)“…Oligomerization of isobutene has been investigated using several zeolite catalysts to produce triisobutenes that are useful as chemical feedstocks. Stable…”
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18
Experimental investigation of beam-to-column connection with SHN490 steel under cyclic loading
Published in International journal of steel structures (01-12-2016)“…Seismic performance of beam-to-column connections used in the middle-low rise buildings was investigated through the cyclic loading test. Four joint specimens…”
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19
ABAQUS modeling for post-tensioned reinforced concrete beams
Published in Journal of Building Engineering (01-07-2020)“…Finite element analysis (FEA) using ABAQUS software was performed to investigate the behavior of post-tensioned concrete beams. This study is an attempt to…”
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20
Trimerization of isobutene over cation exchange resins: Effect of physical properties of the resins and reaction conditions
Published in Journal of molecular catalysis. A, Chemical (15-12-2006)“…Oligomerization of isobutene has been investigated using several cation exchange resins in order to produce triisobutenes that are useful feedstock for heavy…”
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