Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Kyung-Taek Koh"'
Autor:
Haena Kim, Byungkyu Moon, Xinyu Hu, Hosin (David) Lee, Gum-Sung Ryu, Kyung-Taek Koh, Changbin Joh, Byung-Suk Kim, Brian Keierleber
Publikováno v:
Infrastructures, Vol 6, Iss 9, p 121 (2021)
The application of Ultra-High-Performance Concrete (UHPC) materials in rehabilitating bridges and constructing primary bridge components is increasing rapidly across the world because of their superior strength and durability characteristics when com
Externí odkaz:
https://doaj.org/article/e2413a407a3e4f59abaa8c9045906a79
Publikováno v:
Nuclear Engineering and Technology, Vol 45, Iss 3, Pp 393-400 (2013)
Concrete undergoing early frost damage in cold weather will experience significant loss of not only strength, but also of permeability and durability. Accordingly, concrete codes like ACI-306R prescribe a minimum compressive strength and duration of
Externí odkaz:
https://doaj.org/article/aa92fc3a11204496bf5b6a5d7d55f5c4
Publikováno v:
Advances in Materials Science and Engineering, Vol 2016 (2016)
Ground granulated blast furnace slag, which is a byproduct obtained during steel manufacture, has been widely used for concrete structures in order to reduce carbon dioxide emissions and improve durability. This paper presents a numerical model to ev
Externí odkaz:
https://doaj.org/article/3bba449e25b040de98c6da57297168c8
Autor:
Yong-Sik, Yoon, Hwa-Sung, Ryu, Hee-Seob, Lim, Kyung-Taek, Koh, Jeong-Su, Kim, Seung-Jun, Kwon
Publikováno v:
In Construction and Building Materials 20 October 2018 186:1005-1015
Publikováno v:
Road Materials and Pavement Design. 23:1667-1680
Ultra-high performance concrete (UHPC) shows high strength, high ductility under tensile loading, and high durability. Self-compacting ability is one of the most important merit of UHPC, but high f...
Publikováno v:
Materials
Materials, Vol 14, Iss 1437, p 1437 (2021)
Volume 14
Issue 6
Materials, Vol 14, Iss 1437, p 1437 (2021)
Volume 14
Issue 6
Although carbon textile reinforcement widely used to replace the steel reinforcing bars but the bonding strength of carbon textile is generally much smaller than that of common steel bars. This study examines the strengthening effect of concrete slab
Publikováno v:
Materials
Volume 13
Issue 19
Materials, Vol 13, Iss 4432, p 4432 (2020)
Volume 13
Issue 19
Materials, Vol 13, Iss 4432, p 4432 (2020)
This study investigated the hardening process of alkali-activated material (AAM) mortar using calcium sulfoalumiante (CSA) expansive additive (CSA EA), which accelerates the initial reactivity of AAMs, and subsequent changes in ultrasonic pulse veloc
Publikováno v:
Materials, Vol 13, Iss 3856, p 3856 (2020)
Materials
Volume 13
Issue 17
Materials
Volume 13
Issue 17
Textile reinforced concrete (TRC) has widely been used for strengthening work for deteriorated reinforced concrete (RC) structures. The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements
Publikováno v:
Materials, Vol 13, Iss 2246, p 2246 (2020)
Materials
Volume 13
Issue 10
Materials
Volume 13
Issue 10
This paper deals with flexural strengthening of reinforced concrete (RC) slabs with a carbon textile reinforced concrete (TRC) system. The surface coating treatment was applied to a carbon grid-type textile to increase the bond strength. Short fibers
Publikováno v:
Key Engineering Materials. 774:349-354
The large quantities of expensive materials such as steel fiber, silica fume, filler and superplasticizer required in the composition of Ultra-High Performance Concrete (UHPC) make its fabrication cost significantly higher than ordinary concrete. Thi