Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Seyoon Yoon"'
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03285- (2024)
A comprehensive study was conducted to predict the elastic modulus and Poisson ratio of hardened cement pastes (HCPs), including numerical work, comparison of two modelling approaches, and experimental validation. Modelling approach 1 (M1) applied a
Externí odkaz:
https://doaj.org/article/da356d62a16046658096fe755b45d1a2
Autor:
Dongho Jeon, Seyoon Yoon
Publikováno v:
Buildings, Vol 14, Iss 9, p 2654 (2024)
Electrical resistance tomography (ERT) is gaining recognition as an effective, affordable, and nondestructive tool for monitoring and imaging concrete structures. This paper discusses ERT’s applications, including crack detection, moisture ingress
Externí odkaz:
https://doaj.org/article/47f8867f46b14fec860bbe6f8a2e1cc2
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 16, Iss 1, Pp 1-15 (2022)
Abstract This study investigated the deteriorations of precast prestressed concrete (PSC) ties that were used for 15 years in high-speed railways in Korea and its damaging mechanism. The collected PSC ties with longitudinal cracks on sides and map cr
Externí odkaz:
https://doaj.org/article/508f83c8e2894c4688e821d3ca2d5dc3
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e01118- (2022)
This study investigates the effect of input current direction on the electrical voltages of ultra-high-performance concrete containing fine steel slag aggregates (UA). For the application of electrical impedance tomography based on Laplace’s equati
Externí odkaz:
https://doaj.org/article/b686f210ed64450a80d9cd7f1dc04ac0
Publikováno v:
Applied Sciences, Vol 13, Iss 1, p 335 (2022)
Diagnostic technologies using X-rays and/or acoustic emissions for concrete infrastructures containing internal pores, defects, and cracks have attracted considerable interest. However, computerized tomography (CT) for concrete is challenging due to
Externí odkaz:
https://doaj.org/article/68df6addc8bd45ec83d9c43816870604
Publikováno v:
Materials, Vol 13, Iss 24, p 5598 (2020)
This study investigated the use of coal bottom ash (bottom ash) and CaO-CaCl2-activated ground granulated blast furnace slag (GGBFS) binder in the manufacturing of artificial fine aggregates using cold-bonded pelletization. Mixture samples were prepa
Externí odkaz:
https://doaj.org/article/b8cd48d8c93b4499a37d712148d3c419
Autor:
Seyoon Yoon, Inhwan Park
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
Cenospheres have been recently applied to increase the volume of uniform micropores in hardened cementitious materials. Therefore, application of micro-CT to cenosphere-containing binders will help better understand the micropores formed by cenospher
Externí odkaz:
https://doaj.org/article/cca39da666334150afa0505eab590c6f
Autor:
Seyoon Yoon
Publikováno v:
International Journal of Polymer Science, Vol 2017 (2017)
Polymer surface coatings are commonly used to enhance the corrosion resistance of concrete structures in saline environments to ionic diffusivity; this diffusivity can be determined by migration tests. This paper presents the simulation of the effect
Externí odkaz:
https://doaj.org/article/e58bf172774e44608f6d75aeadf2edce
Publikováno v:
Materials, Vol 7, Iss 6, Pp 4823-4844 (2014)
In this study, hydrophilic chemical grout using silanol (HCGS) was adopted to overcome the performance limitations of epoxy materials used for strengthening existing buildings and civil engineering structures. The enhanced material performances of HC
Externí odkaz:
https://doaj.org/article/554dba5053754be1aa4247a530ef28cc
Publikováno v:
Applied Sciences, Vol 8, Iss 12, p 2500 (2018)
This study investigated the influences of CaSO4 type (i.e., anhydrite vs. gypsum) on strength development and reaction products in the activation of ground granulated blast-furnace slag (GGBFS) when different activators (i.e., CaO vs. NaOH) and sourc
Externí odkaz:
https://doaj.org/article/14099cd118cc4e779f93fa7df698c064