Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Tae-Min Oh"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract This study aims to develop a theoretical model for predicting the permeability of concrete in underground structures using compressive elastic waves. This research is motivated by the necessity of monitoring the permeability of concrete used
Externí odkaz:
https://doaj.org/article/435e205ae06f4f4d97344579ec161fe0
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 13, Iss 4, Pp 787-797 (2021)
A convenient approach was proposed by which to evaluate and monitor the permeability of a rock fracture by verifying the quantitative correlation between the electrical resistivity and permeability at laboratory scale. For this purpose, an electrical
Externí odkaz:
https://doaj.org/article/301a34f9bb344ea6826c9daa82a9b6be
Autor:
Muhammad Naqeeb Nawaz, Agha Shah Ali, Syed Taseer Abbas Jaffar, Turab H. Jafri, Tae-Min Oh, Mirvat Abdallah, Steve Karam, Marc Azab
Publikováno v:
Buildings, Vol 12, Iss 10, p 1646 (2022)
This study presents a cost-based optimization model for the design of isolated foundations in cohesive soils. The optimization algorithm not only incorporates safety requirements in the form of ultimate limit state (ULS) and serviceability limit stat
Externí odkaz:
https://doaj.org/article/c37b7f8071e742d8823346282dc3a4c6
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:
Remote Sensing, Vol 14, Iss 1, p 189 (2022)
Titanium dioxide (TiO2) is a photocatalyst that can be used to remove nitrogen oxide (NOx). When applied to cementitious materials, it reacts with photons in sunlight or artificially generated light to reduce the concentration of particulate matter i
Externí odkaz:
https://doaj.org/article/700880686f3c4fc3969b11d2a9056a23
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:
Applied Sciences, Vol 11, Iss 5, p 2314 (2021)
Accuracy metrics have been widely used for the evaluation of predictions in machine learning. However, the selection of an appropriate accuracy metric for the evaluation of a specific prediction has not yet been specified. In this study, seven of the
Externí odkaz:
https://doaj.org/article/a5cb68f08263453d984254749dfacede
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
Publikováno v:
Applied Sciences, Vol 10, Iss 23, p 8727 (2020)
Acoustic emission (AE) has garnered significant interest as a promising way to detect the early-stage development of internal cracks and damage in underground and geotechnical structures, associated with natural disasters. Meanwhile, AE source locali
Externí odkaz:
https://doaj.org/article/a83ef4caca2b4e0cb0a90098cad526cc
Publikováno v:
Applied Sciences, Vol 10, Iss 17, p 6051 (2020)
As one of the non-destructive testing (NDT) methods, acoustic emission (AE) can be widely applied to the field of engineering and applied science owing to its advantageous characteristics. In particular, the AE method is effectively applied to monito
Externí odkaz:
https://doaj.org/article/fecf4a2aa16340dea4ea6aa71c5b2d8c