Zobrazeno 1 - 10
of 240
pro vyhledávání: '"Gye‐Chun Cho"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract In this study, we evaluated the impact of xanthan gum biopolymer (XG) on kaolinite fabrics using X-ray diffraction (XRD) and the ensuing changes in the compaction behavior and shear resistance of kaolinite soils. The XRD peak analysis reveal
Externí odkaz:
https://doaj.org/article/d97e680375da493f9ab83f7861e1df37
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Biopolymer-based soil treatments have shown effectiveness in soil improvement, with successful field-scale implementation. In this study, we explored the effect of cyclic wetting–drying (W–D) and freezing–thawing (F–T) on the strengt
Externí odkaz:
https://doaj.org/article/503b15a873be430989394be55433283b
Autor:
Seungbo Shim, Gye-Chun Cho
Publikováno v:
IEEE Access, Vol 8, Pp 102680-102690 (2020)
With an aging society, the demand for personal mobility for disabled and aging people is increasing. As of 2017, the number of electric wheelchairs in Korea was 90,000 according to the domestic government statistics and has since increased continuous
Externí odkaz:
https://doaj.org/article/1d4fb217984b405892f0929d45c1959d
Publikováno v:
IEEE Access, Vol 8, Pp 170939-170950 (2020)
Typically, the operational lifetime of underground concrete structures is several decades. At present, many such structures are approaching their original life expectancy. In this stage, the essential functionality of the structures may be considerab
Externí odkaz:
https://doaj.org/article/c983255545c84102bf969e76ea9860e1
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Abrasive waterjets are being increasingly used in civil engineering for rock and concrete cutting, particularly for the demolition or repair of old structures. The energy of an abrasive waterjet is primarily provided by the accelerated abrasive. The
Externí odkaz:
https://doaj.org/article/254d346058b7436283acfe9a222ef4ba
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 7884 (2021)
Microbial biopolymers have been introduced as materials for soil treatment and ground improvement purposes because of their ability to enhance soil strength enhancement and to reduce hydraulic conductivity. Several studies in the field of environment
Externí odkaz:
https://doaj.org/article/65913400f8d240a2b280e2ef9a60bdff
Publikováno v:
Materials, Vol 14, Iss 12, p 3173 (2021)
The presence of gouge in rock joints significantly affects the physical and mechanical properties of the host rock mass. Wave-based exploration techniques have been widely used to investigate the effects of gouge fill on rock mass properties. Previou
Externí odkaz:
https://doaj.org/article/2fbea6d8d814412791dd946287a5166b
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
Abrasive waterjet cutting technology has come back into use in the field of rock excavation (such as for tunneling) due to the need for precision construction with low vibration. Because the abrasive particles play an important role in efficient eros
Externí odkaz:
https://doaj.org/article/601be9b2c93b489dabe7831fba017c2f
Publikováno v:
Energies, Vol 14, Iss 6, p 1752 (2021)
Methane hydrate has attracted attention as a next-generation resource, and many researchers have conducted various studies to estimate its productivity. Numerical simulation is the optimal method for estimating methane gas productivity. Meanwhile, us
Externí odkaz:
https://doaj.org/article/4e1a3908de684636906a395906d97f63
Publikováno v:
Applied Sciences, Vol 11, Iss 4, p 1543 (2021)
The abrasive mixing variables, such as the abrasive and water flow rates and the focus geometry parameters, determine the profitability of an abrasive waterjet system. In this study, the mixing efficiency characteristics in abrasive waterjet rock cut
Externí odkaz:
https://doaj.org/article/10651724b91349a190de682406238609