Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Taekgeun Oh"'
Publikováno v:
Journal of CO2 Utilization, Vol 85, Iss , Pp 102889- (2024)
This study executed a series of tests to validate and assess the mechanical characteristics, pore structures, and chemical components of carbon consuming concrete (CCC), which employs an electric arc furnace (EAF) slag to enhance carbon consumption.
Externí odkaz:
https://doaj.org/article/255a36a7b96143f8af7fcc8aa1e0c4d3
Autor:
Doo-Yeol Yoo, Salman Soleimani-Dashtaki, Taekgeun Oh, Booki Chun, Nemkumar Banthia, Seung-Jung Lee, Young-Soo Yoon
Publikováno v:
Developments in the Built Environment, Vol 17, Iss , Pp 100343- (2024)
This study evaluated the effects of volume fraction, aspect ratio, and shape of steel fibers on the mechanical properties of ultra-high-performance fiber-reinforced concrete (UHPFRC) and the structural behavior of reinforced (R-) UHPFRC beams. The te
Externí odkaz:
https://doaj.org/article/4025e487aaa143bf963531d2e6940e48
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 359-372 (2022)
In this study, the effects of carbon fibers and crack widths on the electromagnetic interference (EMI) shielding effectiveness of high-performance fiber-reinforced cementitious composites (HPFRCCs) with 2 vol.% straight steel fibers were evaluated. T
Externí odkaz:
https://doaj.org/article/d7e6290a08cd4cf981884ad70a40a99a
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 1993-2007 (2022)
This study investigated the effect of substituting nano-SiO2 for silica fume on the fiber-matrix interfacial bond performance of ultra-high-performance concrete (UHPC). In this study, silica fume was substituted by nano-SiO2 in the weight range of 0
Externí odkaz:
https://doaj.org/article/8c9a5f88c2fd4ab1bd5424005eb5f7ae
Publikováno v:
Developments in the Built Environment, Vol 14, Iss , Pp 100150- (2023)
This study investigated the mechanical properties and microstructural characteristics of ultra-high-performance strain-hardening cementitious composites (UHP-SHCC). The mechanical properties were thoroughly analyzed based on the shrinkage behavior, t
Externí odkaz:
https://doaj.org/article/6695d58e236d44ba850029e25e3d5b8c
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 47-58 (2022)
Cement-based piezoresistive composites have attracted significant attention as smart construction materials for embedding self-sensing capability in concrete infrastructure. Although a number of studies have been conducted using multi-walled carbon n
Externí odkaz:
https://doaj.org/article/760b24a5c1dc4b42a6be2d43fc73bcef
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 6813-6827 (2021)
This study aims to evaluate the influence of crack repair using epoxy sealing on the tensile response of ultra-high-performance fiber-reinforced concrete (UHPFRC) under corrosive environments. Three different crack widths, i.e., 0.1, 0.3, and 0.5 mm,
Externí odkaz:
https://doaj.org/article/949105da5c24457b8fc9b7a4e237a4e6
Publikováno v:
Case Studies in Construction Materials, Vol 15, Iss , Pp e00726- (2021)
In this study, we investigated the effects of steel fiber type and specimen thickness on the uniaxial and biaxial flexural behaviors of ultra-high-performance fiber-reinforced concrete (UHPFRC). For this purpose, three types of steel fibers (straight
Externí odkaz:
https://doaj.org/article/dc6210442332449cab151d7dc0ba0097
Autor:
Muhammad Usama Salim, Farzana Mustari Nishat, Taekgeun Oh, Doo-Yeol Yoo, Yooseob Song, Togay Ozbakkaloglu, Jung Heum Yeon
Publikováno v:
Materials, Vol 15, Iss 22, p 8055 (2022)
This study investigates the electrical heating (also known as Joule heating) characteristics of cementitious composites containing multi-walled carbon nanotubes (CNT) and carbon fibers (CF) as electrically conductive media in an attempt to develop an
Externí odkaz:
https://doaj.org/article/dbd62459e79f4fde85a6942faa4d8c43
Publikováno v:
Journal of the Korean Society of Hazard Mitigation. 23:147-156
In this study, filler and silica fume were substituted by Liquid crystal display glass powder (LCDGP) and nanosilica, respectively, to improve the performance of ultra-high- performance fiber-reinforced concrete. In addition, the surface of steel fib