Zobrazeno 1 - 10
of 106
pro vyhledávání: '"Hyeong-ki Kim"'
Publikováno v:
Journal of CO2 Utilization, Vol 87, Iss , Pp 102919- (2024)
The mechanism of early age accelerated carbonation cured ordinary Portland cement mixtures is evaluated using experimental and thermodynamic modeling. This study considered three early precuring conditions, two carbonation curing periods, four CO2 co
Externí odkaz:
https://doaj.org/article/b84526bebef44875866adc0aa6e7eedf
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03031- (2024)
A case study was conducted to explore a more rational and robust process for determining the characteristic in-situ compressive strength of concrete structures from core samples. Slabs and girders were obtained from a total of seven bridges, earmarke
Externí odkaz:
https://doaj.org/article/a1b50a61be564d4db59951cf5b7b8228
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-15 (2024)
Abstract This study investigates the strain softening behavior of high-performance fiber-reinforced cementitious composites (HPFRCCs) under uniaxial compression. HPFRCC mixtures with different compressive strengths ranged from 120 to 170 MPa were pre
Externí odkaz:
https://doaj.org/article/7968f07fd65940f280e2b8dc5bef9de9
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 636-648 (2022)
This paper investigates the effect of the rheological properties of fresh binder on the compressive strength of pervious concrete. Pervious concrete can be used to reduce stormwater runoff, urban heat island effect, or noise. Because of a limited amo
Externí odkaz:
https://doaj.org/article/c3298ad008724874b28bf77f007315d5
Autor:
Jena Jeong, Abel Shiferaw Alemu, Solmoi Park, Hyo Kyoung Lee, Gebremicael Liyew, Hamidréza Ramézani, Vagelis G. Papadakis, Hyeong-Ki Kim
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e00890- (2022)
The objective of this paper is to understand the phase changes of the carbonated cement paste by comparing experimental and numerical modeling results. Phase assemblages of hydrates and anhydrous clinkers at various depths of cement paste after carbo
Externí odkaz:
https://doaj.org/article/775b1207e60c4461b74262ee28fc5dba
Publikováno v:
Case Studies in Construction Materials, Vol 15, Iss , Pp e00764- (2021)
This study was conducted to address practical problems in producing structural pervious concrete, such as issues with mix proportioning, paste sagging, porosity, strength, and acoustic absorption. Concrete mixtures with varying aggregate types, targe
Externí odkaz:
https://doaj.org/article/f64822c6925041d3ac72b0543c1607af
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 152 (2020)
In this study, cement composites were fabricated with various contents of added nano-silica (NS) and multi-walled carbon nanotubes (MWNTs). The compressive and flexural strengths of the resultant cement composites were examined. To explore the micros
Externí odkaz:
https://doaj.org/article/fbcec0633b384800973de45f055b7cb7
Publikováno v:
Applied Sciences, Vol 10, Iss 12, p 4300 (2020)
This paper presents an experimental and analytical investigation of the fundamental mechanism of the highly ductile behavior of strain-hardening slag-based composite reinforced by polyethylene fibers. Composite properties, including compressive stren
Externí odkaz:
https://doaj.org/article/0b089c48d9c2409c8052ae0888cda4cb
Autor:
Hyeong-Ki Kim1 hyeongki@chosun.ac.kr, Jin-Won Nam2 jwnam72@inhatc.ac.kr, Seung-Jun Kwon3 jjuni98@hannam.ac.kr
Publikováno v:
International Journal of Electrochemical Science. Oct2024, Vol. 19 Issue 10, p1-11. 11p.
Autor:
Zhang Chen Ye, Hyeong-Ki Kim
Publikováno v:
Cartoon and Animation Studies. 68:629-659