Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Jinjing Zuo"'
Publikováno v:
工程科学学报, Vol 46, Iss 12, Pp 2133-2146 (2024)
Blasting is a process in which the chemical energy of explosives is rapidly released, causing strong impact on the rock mass and achieving efficient rock fragmentation. The blasting stress wave and blasting gas generated by explosive detonation are t
Externí odkaz:
https://doaj.org/article/2a4815fd3f66480b8f5e5eaa7c5e6921
Publikováno v:
Meitan xuebao, Vol 49, Iss S1, Pp 248-260 (2024)
The action mechanism of blast shock wave and detonation gas in rock blasting remains unclear. This article attempts to reveal the action mechanism of blast shock wave and detonation gas through high-speed schlieren system, overpressure test system an
Externí odkaz:
https://doaj.org/article/d8f809aa95ef4231a19209e50074458b
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 9, Pp 100-111 (2023)
With the increase of the depth of the blast hole, the rock clamping effect at the bottom of the blast hole is enhanced, resulting in low rock breaking efficiency and blast hole utilization. The past continuous charging method can not solve the above
Externí odkaz:
https://doaj.org/article/a5065c49e14d41ef81fad719fbb42ece
Autor:
Jinjing Zuo, Liwei Ma
Publikováno v:
Shock and Vibration, Vol 2024 (2024)
Layered joints significantly affect the propagation and attenuation of engineering blasting stress waves and have a significant influence on rock breakage. In this study, the explosion crack propagation mechanism of a stratified rock mass with weak o
Externí odkaz:
https://doaj.org/article/a61158d1e17d4b95a70c4fb6c938d75e
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 4, Pp 657-667 (2022)
A blasting experiment was conducted on iron ore samples by considering multiple coupling charge coefficients. The resulting internal fracture and damage characteristics were quantitatively analyzed via computerized tomography (CT), scanning, and thre
Externí odkaz:
https://doaj.org/article/3f715ec7bd91409884acbf44e3bacf58
Publikováno v:
Shock and Vibration, Vol 2023 (2023)
In order to explore the propagation characteristics of explosion wave and gas in blast-hole, design a model to simulate blast-hole charge in the laboratory, adopted a high-speed schlieren experiment system used to study the evolution characteristics
Externí odkaz:
https://doaj.org/article/5d11b8a7bff04186859f52373dc8ce96
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
In hard rock deep-hole blasting excavation, blastholes are rarely utilized due to the clamping effect of the lower rock, which affects excavation progress and restricts the development and application of deep-hole blasting technology. Cut blasting is
Externí odkaz:
https://doaj.org/article/cc6cc3ef0cc04c45bbcb18ed851d77dc
Publikováno v:
Mechanics of Advanced Materials and Structures. :1-12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a33d6b91fe6b616d854299afeb4454cf
https://doi.org/10.1080/15376494.2023.2171166
https://doi.org/10.1080/15376494.2023.2171166
Publikováno v:
Rock Mechanics and Rock Engineering. 55:7837-7857
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cff6f2061e94817d6e2b6fec0fa2fdf
https://doi.org/10.1007/s00603-022-03064-7
https://doi.org/10.1007/s00603-022-03064-7
Autor:
Renshu Yang, Jinjing Zuo
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
Since the cutting seam cartridge has sound directional breaking effect, in order to explore its blasting wave mechanism, an experimental study was conducted on the blast wave of a cutting seam cartridge using a high-speed laser schlieren system and a
Externí odkaz:
https://doaj.org/article/68e2af3bd28348ed9dfd10c356cd7004