Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Fengpeng Zhang"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-14 (2024)
Abstract In rock engineering, high-voltage pulse technology has attracted attention because it offers environmental protection, controllable energy, and repeatable discharge. It is necessary to study the fracture behavior of rock under high-voltage p
Externí odkaz:
https://doaj.org/article/3cdf1860c3994aa9a2d715341dbc39e9
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 1, Pp 91-104 (2024)
Deep-sea sediment disturbance may occur when collecting polymetallic nodules, resulting in the creation of plumes that could have a negative impact on the ecological environment. This study aims to investigate the potential solution of using polyalum
Externí odkaz:
https://doaj.org/article/21ed0d6e25ff445fb035b310a702e484
Publikováno v:
Applied Sciences, Vol 13, Iss 22, p 12507 (2023)
To identify the magnitude and direction of in situ stress in deeply buried tunnels, an inversion method for the stress field was proposed based on a finite number of measurement points of surface strain. Firstly, elastic strain data of finite points
Externí odkaz:
https://doaj.org/article/4ece3f24b8824ab99eabafc5800f4938
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
In situ stress has a large influence on blasts in deep mines and should be considered in blasting design. In this study, explosion crater tests were conducted to investigate the variation of specific charges under different stress loading conditions.
Externí odkaz:
https://doaj.org/article/5ca90f198ae64f16a33c679f9fdc8d4e
Publikováno v:
Applied Sciences, Vol 11, Iss 23, p 11169 (2021)
In situ stress is one of the most important factors affecting rock dynamic fractures during blasting excavation of deep rock mass that generally is hard rock. In this research, crater blasting experiments on hard rock under different uniaxial static
Externí odkaz:
https://doaj.org/article/13ba2bfd2ee644e9959085ea10265797
Publikováno v:
Engineering, Vol 3, Iss 4, Pp 538-545 (2017)
This paper reviews the recent achievements made by our team in the mitigation of rockburst risk. It includes the development of neural network modeling on rockburst risk assessment for deep gold mines in South Africa, an intelligent microseismicity m
Externí odkaz:
https://doaj.org/article/ad1abedacdf2414594a7f7c61cccb333
Publikováno v:
Applied Sciences, Vol 11, Iss 9, p 3955 (2021)
Based on the “axial-output method”, the time histories of radial and axial expansive pressures during the hydration process of static cracking agent (SCA) in a cylinder with various diameters were obtained by experiments. With the load input take
Externí odkaz:
https://doaj.org/article/b8368874d5f84a4d919b704be2eaff00
Publikováno v:
Applied Sciences, Vol 10, Iss 18, p 6285 (2020)
Considering the problems related to hard rock blasting under high in-situ stresses at large depths, we conducted crater blasting tests on sandstone specimens under three static load conditions to investigate the strain field evolution of rock blastin
Externí odkaz:
https://doaj.org/article/46bdb94074fa406baedc2b3bd8313739
Publikováno v:
Rock Mechanics and Rock Engineering. 56:3709-3723
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources. 8