Search Results - "Han, Dongyeop"

Introducing a New Quantitative Evaluation Method for Segregation of Normal Concrete by Han, In-Deok, Han, Dongyeop

“…The aim of this research is to provide a quantitative method for evaluating concrete segregation. Because of various conditions of concrete materials, mix…”
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Testing the anti-explosion protection of HPFRCC for ready-mixed concrete system based on fiber selection and resistance to live explosives by Kim, Jong, Lee, Jaehyeon, Jung, Woungsun, Han, Dongyeop

“…The aim of the research is to evaluate the anti-explosion protecting performance with proper workability of high-performance fiber-reinforced cementitious…”
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Effects of air voids on ultrasonic wave propagation in early age cement pastes by Zhu, Jinying, Kee, Seong-Hoon, Han, Dongyeop, Tsai, Yi-Te

“…The objective of this paper is to investigate effects of air voids on ultrasonic wave propagation in fresh cement pastes, and relate ultrasonic wave parameters…”
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Combining polypropylene and nylon fibers to optimize fiber addition for spalling protection of high-strength concrete by Lee, Guncheol, Han, Dongyeop, Han, Min-Cheol, Han, Cheon-Goo, Son, Ho-Jeong

“…► Optimum levels of fiber contents for spalling protection without workability loss are provided. ► Combination of NY and PP fibers had less slump flow loss…”
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Control of Viscosity of Cementitious Materials Using Waste Limestone Powder by Han, Dongyeop, Yoon, Jin Young, Kim, Jae Hong

“…Ultra high performance cementitious materials possess high solid volume fraction by a decreased water-to-binder ratio. The use of a high-range water reducing…”
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Evaluation on Protection Performance and On-Site Applicability of Hybrid Fiber-Reinforced Concrete by Han, Dongyeop, Park, Yong-Jun, Han, Min-Cheol, Yi, Seong-Tae

“…The aim of this research is to evaluate the protecting performance of hybrid fiber-reinforced concrete against lateral forces such as explosives or flying…”
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Critical Grain Size of Fine Aggregates in the View of the Rheology of Mortar by Han, Dongyeop, Kim, Jae Hong, Lee, Jin Hyun, Kang, Su-Tae

“…The aim of this research was to investigate the validity of the Krieger–Dougherty model as a quantitative model to predict the viscosity of mortar depending on…”
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Basic Properties of Non-Sintered Cement Mortar Using Industrial Byproducts as Activators by Hyung, Wongil, Han, Dongyeop, Seo, Donghyeon

“…This paper investigates the basic properties of non-sintered cement (NSC) mortar produced using granulated blast-furnace slag (an industrial byproduct),…”
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Effect of mixing method on microstructure and rheology of cement paste by Han, Dongyeop, Ferron, Raissa Douglas

“…•Influence of mixing intensity on rheological behaviors of cement paste was assessed.•High mixing intensity can result in increasing the rheological…”
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S-haplotypes and Genetic Diversity in ‘Danji’ Radish (Raphanus sativus L. var. hortensis) by Yulkyun, Ahn, Hyukjun, Kim, Dongyeop, Han, Younghoon, Park

“…The distribution of S-haplotypes and genetic relationships were evaluated for 47 accessions of ‘Danji’ radish (Raphanussativus L. var. hortensis Baker f…”
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Influence of high mixing intensity on rheology, hydration, and microstructure of fresh state cement paste by Han, Dongyeop, Ferron, Raissa Douglas

“…From both the fundamental and applied points of view, there is a growing interest in characterizing the rheological properties of concentrated suspensions,…”
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S-haplotypes and Genetic Diversity in 'Danji' Radish (Raphanus sativus L. var. hortensis) by Ahn, Yulkyun, Kim, Hyukjun, Han, Dongyeop, Park, Younghoon

“…The distribution of S-haplotypes and genetic relationships were evaluated for 47 accessions of 'Danji' radish (Raphanus sativus L. var. hortensis Baker f…”
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Hydration properties of ladle furnace slag powder rapidly cooled by air by Choi, Sunmi, Kim, Jin-Man, Han, Dongyeop, Kim, Ji-Ho

“…•Ladle furnace slag, the waste from steelmaking industry can be recycled.•Rapidly air cooled ladle furnace slag is a rapid hardening binder.•Rapid air cooling…”
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Introducing a New Quantitative Evaluation Method for Segregation of Normal Concrete by In?Deok Han, Dongyeop Han

“…The aim of this research is to provide a quantitative method for evaluating concrete segregation. Because of various conditions of concrete materials, mix…”
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Use of bottom ash and stone dust to make lightweight aggregate by Han, Min-Cheol, Han, Dongyeop, Shin, Jae-Kyung

“…•Artificial lightweight aggregate was produced with by-products from other industry.•80–20% of stone dust to bottom ash was used as the main materials.•5% of…”
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Improving the mechanical properties of rapid air cooled ladle furnace slag powder by gypsum by Kim, Jin-Man, Choi, Sun-Mi, Han, Dongyeop

“…•Ladle furnace slag, the waste from steelmaking industry can be recycled.•Rapidly air cooled ladle furnace slag is a rapid hardening binder.•Rapid air cooling…”
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Hydro-thermal reaction according to the CaO/SiO2 mole-ratio in silico-manganese slag by Choi, Sunmi, Kim, Jinman, Oh, Sangyoon, Han, Dongyeop

“…SiMn slag is a by-product of the production of ferroalloy, and has a chemical composition that could be used as a cement admixture. It is not currently being…”
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Use of Recycled Aggregate as Alkali Activator to Enhance Strength Development in High-Volume Blast-Furnace Slag Concrete by Han, Dongyeop, Kim, Jun-Ho, Han, Mincheol, Yi, Seong-Tae

“…The aim of the research is to achieve the strength development performance of high-volume slag concrete or zero-cement concrete with 0.45 of W/B by…”
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Viscosity influence on rising behavior of model air bubbles in fresh mortar by Han, Dongyeop, Lee, Gun-Cheol, Yoon, Seung-Joe, Kim, Kyoung-Min

“…•Presenting idea about the relation between vibration and air bubbles migration.•Using model bubbles, the effect of viscosity on air bubble migration was…”
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Hydro-thermal reaction according to the CaO/SiO sub(2) mole-ratio in silico-manganese slag by Choi, Sunmi, Kim, Jinman, Oh, Sangyoon, Han, Dongyeop

“…SiMn slag is a by-product of the production of ferroalloy, and has a chemical composition that could be used as a cement admixture. It is not currently being…”
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