Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Hong Jae Yim"'
Autor:
Jin Soo Bang, Hong Jae Yim
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02300- (2023)
Concrete pavements are typically constructed using slipform pavers. A vibration process is required to consolidate low workability concrete. However, improper vibration of fresh concrete can cause concrete pavement degradation, such as aggregate segr
Externí odkaz:
https://doaj.org/article/7badadbe94c145179d08d1075528dce7
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e00796- (2022)
Torque-controlled expansion anchors are widely used as anchoring elements in heavy nonstructural elements. Although the installed torque is not considered a design parameter for determination of anchor strength, it can affect the contact condition be
Externí odkaz:
https://doaj.org/article/7e47a9da80c246f385b4f4815e273d35
Publikováno v:
Materials, Vol 16, Iss 3, p 920 (2023)
Calcium sulfoaluminate (CSA) cement is a promising solution for reducing CO2 emissions. While previous studies have attempted to investigate the usefulness of CSA cement via various approaches, early age nondestructive evaluations for the setting and
Externí odkaz:
https://doaj.org/article/f9f73a05df774b15997979071a3ff9e0
Autor:
Gang-Kyu Park, Hong Jae Yim
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 11, Iss 3, Pp 447-457 (2017)
Abstract Fire damage to concrete causes contact-type defects that degrade its durability through impaired mechanical properties. Various nondestructive tests are used to evaluate defects induced by fire damage. Recently, nonlinear ultrasonic methods
Externí odkaz:
https://doaj.org/article/2c9691fdcd38428d84d98df9dcde5602
Publikováno v:
Materials, Vol 13, Iss 11, p 2447 (2020)
This paper reports the electrical resistivity measurements on KOH-activated ground-granulated blast-furnace slag, which was mixed with deionized water or natural seawater at three different activator-to-binder ratios (0.4, 0.45, and 0.5). Compressive
Externí odkaz:
https://doaj.org/article/3aec4ca820d3467584e2275b541fa098
Publikováno v:
Sensors, Vol 14, Iss 7, Pp 12871-12884 (2014)
This paper proposes a novel Lamb wave line sensing technique for crack detection in a welded stiffener. The proposed technique overcomes one of the biggest technical challenges of Lamb wave crack detection for real structure applications: crack-induc
Externí odkaz:
https://doaj.org/article/53a441f79a7f496faa6a03a9cec76933
Autor:
Hong Jae Yim, Jae Hong Kim
Publikováno v:
Materials, Vol 7, Iss 4, Pp 3049-3064 (2014)
Coagulation of cement particles is an inevitable phenomenon of fresh cement-based materials undergoing solidification. Coagulation can be classified into two types, reversible flocculation and irreversible coagulation, wherein microstructural change
Externí odkaz:
https://doaj.org/article/e2752126a3a343bb83c98ab6dd67d9d7
Nonlinear Resonance Vibration Assessment to Evaluate the Freezing and Thawing Resistance of Concrete
Publikováno v:
Materials, Vol 12, Iss 2, p 325 (2019)
Under cold environments, the freezing and thawing cycles of water in concrete reduce the lifetime and durability of concrete structures. For enhanced freezing and thawing resistance, entrained air voids are generally required, but malfunctioning of a
Externí odkaz:
https://doaj.org/article/ea5a6c9d62164347a2546cd4dffab11e
Publikováno v:
Applied Sciences, Vol 8, Iss 12, p 2582 (2018)
This study proposes a multi-channel electrical impedance-based crack localization technique of fiber-reinforced cementitious composites (FRCCs) under bending conditions. FRCCs have a self-sensing capability by adding conductive steel fibers into nonc
Externí odkaz:
https://doaj.org/article/418c00fb10954665aa46bf4ccedc970f
Autor:
Won yong KI, Seung-Jin HEO, Dae-Oh KANG, Hong Jae YIM, Kyung won LEE, Jung ho KIM, Chang kun LEE
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 10, Iss 4, Pp JAMDSM0069-JAMDSM0069 (2016)
The purpose of this study is to propose a concept design process for an automotive body structure using technical information on the major joints and members of vehicles. First, in order to collect the technical information on major joints and member
Externí odkaz:
https://doaj.org/article/afe6384f1e87481693f21432f7c9babb