Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Jamal rostami"'
Publikováno v:
International Journal of Geo-Engineering, Vol 15, Iss 1, Pp 1-18 (2024)
Abstract The necessity of predicting geotechnical parameters in soft ground tunnelling is crucial for selecting the appropriate tunnel boring machine (TBM), evaluating the operating limit of earth pressure balance (EPB) machines’ parameters, and en
Externí odkaz:
https://doaj.org/article/f031def8b701414eb349470f5c65e7f1
Autor:
Mansour Hedayatzadeh, Jamal Rostami, Vasilis Sarhosis, Mojtaba Nematollahi, Nabiollah Hajiantilaki, Abouzar Shafiepour
Publikováno v:
Underground Space, Vol 16, Iss , Pp 261-278 (2024)
This paper presents the development of a framework for the parametric design of tunnels using geographic information system (GIS) mapping and building information modelling (BIM). According to the framework, a parametric representation of each system
Externí odkaz:
https://doaj.org/article/db838061537241f999606f9aee738979
Publikováno v:
International Journal of Geo-Engineering, Vol 14, Iss 1, Pp 1-31 (2023)
Abstract Face stability control of excavation with earth pressure balance machine (EPB) approach is the best available method to reduce the ground deformation and settlement of surface structures in a tunneling project in urban areas. In the present
Externí odkaz:
https://doaj.org/article/0d441a4fe8974bb8b10ca03b99f8a3ed
Autor:
Bhatawdekar Ramesh Murlidhar, Hoang Nguyen, Jamal Rostami, XuanNam Bui, Danial Jahed Armaghani, Prashanth Ragam, Edy Tonnizam Mohamad
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 13, Iss 6, Pp 1413-1427 (2021)
In mining or construction projects, for exploitation of hard rock with high strength properties, blasting is frequently applied to breaking or moving them using high explosive energy. However, use of explosives may lead to the flyrock phenomenon. Fly
Externí odkaz:
https://doaj.org/article/c781b59339194934a97826e39eba00bf
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 12, Iss 1, Pp 21-31 (2020)
This study presents an application of artificial neural network (ANN) and Bayesian network (BN) for evaluation of jamming risk of the shielded tunnel boring machines (TBMs) in adverse ground conditions such as squeezing grounds. The analysis is based
Externí odkaz:
https://doaj.org/article/18041f9c5b29422698a2db49caa64d7c
Publikováno v:
Energies, Vol 15, Iss 18, p 6673 (2022)
Boom-type roadheaders are commonly used for excavation of roadways in underground mines, tunnels, and other architectural structures using trenchless techniques, as well as sinking shafts and occasionally excavating the harder soil and softer formati
Externí odkaz:
https://doaj.org/article/ed4f3189dac4484db79ed0549b9da3ee
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 9, Iss 6, Pp 1112-1122 (2017)
Severe shield jamming events have been reported during excavation of Uluabat tunnel through adverse geological conditions, which resulted in several stoppages at advancing a single shielded tunnel boring machine (TBM). To study the jamming mechanism,
Externí odkaz:
https://doaj.org/article/aa5668ab5a554b2e9205fafef24f0792
Autor:
Jamal Rostami, Soo-Ho Chang
Publikováno v:
Engineering, Vol 3, Iss 6, Pp 892-904 (2017)
The success of a tunnel-boring machine (TBM) in a given project depends on the functionality of all components of the system, from the cutters to the backup system, and on the entire rolling stock. However, no part of the machine plays a more crucial
Externí odkaz:
https://doaj.org/article/06a88562a3134950b10a073077431da9
Publikováno v:
International Journal of Mining Science and Technology, Vol 27, Iss 1, Pp 77-81 (2017)
Roof and rib instability is an important issue in underground mining. To optimize ground support design, enhance ground stability, and reduce the possibility of roof or rib failure with minimal use of artificial ground support, it is essential to hav
Externí odkaz:
https://doaj.org/article/80179c25f53344dea58e7eda8a0e8962
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 7, Iss 3, Pp 273-281 (2015)
Despite recent advances in mine health and safety, roof collapse and instabilities are still the leading causes of injury and fatality in underground mining operations. Improving safety and optimum design of ground support requires good and reliable
Externí odkaz:
https://doaj.org/article/58ea9a4af1b34586992aaa9ec89935f9