Zobrazeno 1 - 10
of 22
pro vyhledávání: '"YoungHun Ko"'
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
This study aims to identify and evaluate the significance of the key design factors that impact the stability of Earth retaining wall anchor-supported structures during excavations in urban areas. Although there are many previous studies on the defor
Externí odkaz:
https://doaj.org/article/87782db7a56040d9956fab2813dd7e71
Autor:
Younghun Ko, Kiseok Kwak
Publikováno v:
Mining, Vol 2, Iss 2, Pp 330-349 (2022)
The Trauzl test is widely used to measure the explosive power of a substance by determining the volume increase produced by the detonation of a tested explosive charge in the cavity of a lead block with defined quality and size. In this study, the Tr
Externí odkaz:
https://doaj.org/article/2b79b1ef0fa445e1b29750bea7b661b0
Publikováno v:
International Journal of Geo-Engineering, Vol 12, Iss 1, Pp 1-11 (2021)
Abstract In this study, a small scale experiment of an earth retaining wall was conducted to develop a real-time and full-field noncontact measurement system for earth retaining walls in urban areas. The collapse behavior of the structure was reprodu
Externí odkaz:
https://doaj.org/article/6d766a20892f482fb949994c9c5dea2d
Publikováno v:
Applied Sciences, Vol 12, Iss 17, p 8629 (2022)
By increasing the effectiveness of the energy generated by the explosive charge inserted into a blast hole, stemming increases rock fragmentation. Missing or improper stemming, which can lead to the detonation gas escaping from the blast hole in adva
Externí odkaz:
https://doaj.org/article/202c91bc1563416c91bbb9d938aeb849
Publikováno v:
Remote Sensing, Vol 14, Iss 13, p 3133 (2022)
When combined with high-speed photography technology, the digital image correlation (DIC) method provides an excellent photographic image processing capability that can be used to convert the evolving full-field surface properties of structures to se
Externí odkaz:
https://doaj.org/article/e0ab2718533044e6b0690f585e6b8a4b
Autor:
Gyeongjo Min, Daisuke Fukuda, Sewook Oh, Gyeonggyu Kim, Younghun Ko, Hongyuan Liu, Moonkyung Chung, Sangho Cho
Publikováno v:
Applied Sciences, Vol 10, Iss 22, p 8033 (2020)
A three-dimensional combined finite-discrete element element method (FDEM), parallelized by a general-purpose graphic-processing-unit (GPGPU), was applied to identify the fracture process of rough concrete–rock joints under direct shearing. The dev
Externí odkaz:
https://doaj.org/article/227edb3375604fe19aca4875b889b40b
Publikováno v:
Science & Technology of Energetic Materials. 2022, Vol. 83 Issue 6, p153-162. 10p.
Publikováno v:
International Journal of Aeronautical and Space Sciences. 23:711-722
Publikováno v:
IFCEE 2021.
Publikováno v:
International Journal of Geo-Engineering, Vol 12, Iss 1, Pp 1-11 (2021)
In this study, a small scale experiment of an earth retaining wall was conducted to develop a real-time and full-field noncontact measurement system for earth retaining walls in urban areas. The collapse behavior of the structure was reproduced using