Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Håkan Schunnesson"'
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
Publikováno v:
Mining Technology. :1-10
Oversize rock fragments are highly undesired in a sublevel caving (SLC) operation as they affectthe production cycle, equipment, and infrastructure. In this study, afield test was carried out inMalmberget mine to analyse the impact of oversize fragme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ab0aa41fb3d40e8c4c43949b1fec071
https://doi.org/10.1080/25726668.2023.2215560
https://doi.org/10.1080/25726668.2023.2215560
Publikováno v:
International Journal of Mining, Reclamation and Environment. 36:159-173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d03c3a231010e3629103ee38de8407b
https://doi.org/10.1080/17480930.2021.2000826
https://doi.org/10.1080/17480930.2021.2000826
Publikováno v:
Rock Mechanics and Rock Engineering. 54:501-511
In tunneling, rock mass grouting is a method applied to reduce water ingress. Grouting is influenced by rock mass conditions, especially apertures, frequency, and continuation of fracturing. These rock mass conditions can partly be determined by rock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::473e9db749880b6a8083a8a493fc74f1
https://doi.org/10.1007/s00603-020-02279-w
https://doi.org/10.1007/s00603-020-02279-w
Publikováno v:
Mining Technology. 129:104-112
This paper addresses the identification of the optimal draw control strategy for a sublevel caving (SLC) operation at Malmberget mine in Sweden. Two mathematical models, a probability model and an ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff092ffc866f86873b9da1db0e6440ab
https://doi.org/10.1080/25726668.2020.1775432
https://doi.org/10.1080/25726668.2020.1775432
Sublevel caving operation relies on the estimation of ore grade at drawpoints, as the mine management uses grade to decide whether the material at a certain ring should be loaded or abandoned. Grade is estimated in various ways, including visual esti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12ec8d12a5d0a6a9cd1ead65e949a40f
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-93634
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-93634
Autor:
Juan Ramón Colmenero Navarro, Rajib Ghosh, José A. Sanchidrián, Pablo Segarra, Håkan Schunnesson, Daniel Johansson
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 119:180-192
Currently, the charging procedure for sublevel caving mining is carried out with no prior information of the rock mass condition. Thus, engineers are blindsided to unexpected rock conditions and ill-prepared to address issues associated with collapsi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a77a283b6a58f2c89e8fa9ef79c61c25
https://doi.org/10.1016/j.ijrmms.2019.03.026
https://doi.org/10.1016/j.ijrmms.2019.03.026
Publikováno v:
Tunnelling and Underground Space Technology. 85:331-339
Blast damage in tunnels is usually regulated in Swedish infrastructure contracts as it can influence the quality and lifecycle cost for tunneling projects. The topic is important for underground co ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9457daabe71136e9f49af1d4a9a42daf
https://doi.org/10.1016/j.tust.2018.12.021
https://doi.org/10.1016/j.tust.2018.12.021
In tunnelling, rock mass support is designed based on the observed rock mass conditions. These conditions are determined by rock mass characterization. Measurement while drilling (MWD), one such characterization method, acquires drill parameter data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3610a7cb6f4b5258bbb3795a04afa1fc
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80575
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80575