Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Mikael Rinne"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 8, Pp 2922-2934 (2024)
Photogrammetry, reconstructing three-dimensional (3D) models from overlapping two-dimensional (2D) photos, finds application in rock mechanics and rock engineering to extract geometrical details of reconstructed objects, for example rock fractures. F
Externí odkaz:
https://doaj.org/article/8893c31dfb294764a6363babffb52118
Autor:
Mikael Rinne, Mateusz Janiszewski, Sebastian Pontow, Lauri Uotinen, Risto Kiuru, Lasse Kangas, Ilkka Laine, Jussi Leveinen
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 957 (2024)
Stope design is an important part of mine planning, and it aims to balance ore recovery, ore dilution, and production costs without compromising the safety aspects. This paper summarizes the main results from the research, which aims to introduce new
Externí odkaz:
https://doaj.org/article/b620bf63e9d84c7c80403a68c726c7cb
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 6, Pp 1138-1150 (2019)
HYDROCK method aims to store thermal energy in the rock mass using hydraulically propagated fracture planes. The hydraulic fractures can interact with the pre-existing natural fractures resulting in a complex fracture network, which can influence the
Externí odkaz:
https://doaj.org/article/505190e830694c9b8a7279b8bbfa65a6
Publikováno v:
Remote Sensing, Vol 14, Iss 21, p 5494 (2022)
Structure-from-Motion Multi-View Stereo (SfM-MVS) photogrammetry is a viable method to digitize underground spaces for inspection, documentation, or remote mapping. However, the conventional image acquisition process can be laborious and time-consumi
Externí odkaz:
https://doaj.org/article/35f5a974db884d99acd043f6da4123ad
Publikováno v:
Sensors, Vol 22, Iss 11, p 4165 (2022)
Rock discontinuities play an important role in the behavior of rock masses and have a high impact on their mechanical and hydrological properties, such as strength and permeability. The surfaces roughness and physical aperture of rock joints are vita
Externí odkaz:
https://doaj.org/article/d52e51ec7b7f44f7ab3fbd8be2e22d72
Publikováno v:
Energies, Vol 15, Iss 1, p 240 (2021)
Stope design is a core discipline within mining engineering. This study analyzes the current state-of-the-art of stope design through a survey addressed to mining industry professionals. In stope design research the dominance of empirical methods has
Externí odkaz:
https://doaj.org/article/b6b30dc8854340088741d8c99c3822f3
Publikováno v:
Geosciences, Vol 11, Iss 7, p 293 (2021)
An accurate understanding of jointed rock mass behavior is important in many applications ranging from deep geological disposal of nuclear waste, to deep mining, and to urban geoengineering projects. The roughness of rock fractures and the matching o
Externí odkaz:
https://doaj.org/article/287f1b1c5da346c39b2f4c8a14d3a076
Autor:
Mateusz Janiszewski, Enrique Caballero Hernández, Topias Siren, Lauri Uotinen, Ilmo Kukkonen, Mikael Rinne
Publikováno v:
Energies, Vol 11, Iss 4, p 963 (2018)
Accurate and fast numerical modelling of the borehole heat exchanger (BHE) is required for simulation of long-term thermal energy storage in rocks using boreholes. The goal of this study was to conduct an in situ experiment to validate the proposed n
Externí odkaz:
https://doaj.org/article/097474aba9a743599fa48e43a0e30903
Publikováno v:
PLoS ONE, Vol 10, Iss 6, p e0129572 (2015)
The excavation and production in underground mines are complicated processes which consist of many different operations. The process of underground mining is considerably constrained by the geometry and geology of the mine. The various mining operati
Externí odkaz:
https://doaj.org/article/f59d270fb0cd489a93e5a4e0e721f681
Publikováno v:
PLoS ONE, Vol 10, Iss 6, p e0131003 (2015)
Many studies have been carried out and many commercial software applications have been developed to improve the performances of surface mining operations, especially for the loader-trucks cycle of surface mining. However, there have been quite few st
Externí odkaz:
https://doaj.org/article/51fda138d7a24ca2936fd1ca540d9f7c