Zobrazeno 1 - 10
of 928
pro vyhledávání: '"drilling and blasting"'
Publikováno v:
Underground Space, Vol 19, Iss , Pp 138-152 (2024)
The Sichuan-Xizang Railway is a global challenge, surpassing other known railway projects in terms of geological and topographical complexity. This paper presents an approach for rapidly profiling rock mass quality underneath tunnel face for the ongo
Externí odkaz:
https://doaj.org/article/c0dc8d7d8c774b859b7c621229a66c1a
Publikováno v:
Горные науки и технологии, Vol 9, Iss 2, Pp 97-104 (2024)
Block stone excavation is a key aspect of the building materials industry, important for providing construction with durable materials and when giving aesthetic solutions to various structures and design elements. However, when excavating stone (usin
Externí odkaz:
https://doaj.org/article/bc688424798f46e59bf9b63594c5d9e0
Autor:
Yurii I. Vinogradov, Sergei V. Khokhlov, Ramil R. Zigangirov, Aleksei A. Miftakhov, Yurii I. Suvorov
Publikováno v:
Записки Горного института, Vol 266, Pp 231-245 (2024)
The selection of efficient drilling and blasting technology to achieve the required particle size distribution of blasted rock mass and reduce ore dilution is directly related to the accurate definition of rock mass properties. The zoning of the rock
Externí odkaz:
https://doaj.org/article/ec5639e626274feb99d53333a442f702
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The burgeoning development of railway construction in plateau regions of southwest China necessitates innovative and environmentally sustainable approaches, particularly in the realm of tunnel construction, where the transfer of muck poses s
Externí odkaz:
https://doaj.org/article/7c6393f06c504a2cb6e58cd57aee7838
Publikováno v:
FIGEMPA, Vol 17, Iss 1, Pp 43-58 (2024)
In Ecuador, Artisanal and Small-Scale Mining, MAPE, is an activity of national relevance. Historically there are three provinces with great potential and mining tradition, which are: El Oro, Zamora Chinchipe and Azuay. In this sense, in the province
Externí odkaz:
https://doaj.org/article/4ed39c258b8047e08a337045d3edc740
Publikováno v:
Analytical and Numerical Methods in Mining Engineering, Vol 13, Iss 37, Pp 57-67 (2023)
To accurately predict the advance of a tunnel excavated by the drilling and blasting method, various parameters related to the rock and the operational conditions of the project should be taken into account. In this paper, a comprehensive model was d
Externí odkaz:
https://doaj.org/article/76f347dac6ac46af97078de658ae3d76
Autor:
Quanwei Liu, Junlong Yan, Hongzhao Li, Peiyuan Zhang, Yankai Liu, Linsheng Liu, Shoujie Ye, Haitao Liu
Publikováno v:
Buildings, Vol 14, Iss 7, p 2176 (2024)
The classification of surrounding rock is crucial for formulating safe tunnel construction plans and support measures. However, the complex geological environment of tunnels presents a challenge in obtaining accurate drilling parameters for rock mass
Externí odkaz:
https://doaj.org/article/a3079ad752124a1da38e157b7a061c76
Autor:
S. I. Bielikova, O. L. Tiutkin
Publikováno v:
Nauka ta progres transportu, Iss 2(102), Pp 115-123 (2023)
Purpose. The authors aim to substantiate a new technology for the construction of an escalator tunnel in Ukraine based on the results of field studies performed as part of surveying measurements during the construction of the inclined run of the Dnip
Externí odkaz:
https://doaj.org/article/292d0e18b8f64a47bcc9536cd644e607
Autor:
Yulin Zhang, Jian Zhou, Yingui Qiu, Danial Jahed Armaghani, Quanmin Xie, Peixi Yang, Chengpei Xu
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4512 (2024)
This study employs scientometric analysis to investigate the current trajectory of research on tunnel boring machine (TBM) performance and collaborative efforts. Utilizing software tools like Pajek 5.16 and VOSviewer 1.6.18, it scrutinizes literature
Externí odkaz:
https://doaj.org/article/c482e342e37c41deb79376d3c195e09e
Publikováno v:
工程科学学报, Vol 45, Iss 2, Pp 182-194 (2023)
In rocky road drilling and blasting in coal mines, the key to work efficiency is cutting. Although blast hole depth has steadily increased with increasing rocky road excavation activities, the cut hole depth is still ordinarily shallow, which is norm
Externí odkaz:
https://doaj.org/article/06c3392a40084e77a15ff9abd8453c92