Zobrazeno 1 - 10
of 3 308
pro vyhledávání: '"energy absorbing"'
Autor:
Xuezhen Wu, Mingzhu Zhao, Qing Ye, Yujing Jiang, Tao Deng, Hanfang Zheng, Gang Wang, Zhenchang Guan
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 8, Pp 1083-1093 (2024)
High stress in surrounding rock will lead to serious problems, e.g., rock burst in hard rock and large deformation in soft rock. The applied support system under high in-situ stress conditions should be able to carry high load and also accommodate la
Externí odkaz:
https://doaj.org/article/be812d8859f244eabd3236a20931bc7d
Publikováno v:
Alexandria Engineering Journal, Vol 101, Iss , Pp 267-281 (2024)
To enhance the energy absorption characteristics of the energy-absorbing structure in metal alloy 3D printing, various heat treatment conditions were studied on the 3D printed hourglass multi-cellular energy-absorbing structure (HTMEAS). The results
Externí odkaz:
https://doaj.org/article/09c1f686ba744a4aa8b5655dcdd91cc7
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-17 (2024)
Abstract Recently, studies on blast-proof panels, which were attached to structures to protect facilities from local damage caused by explosions, have been actively performed. However, blast-proof panels are impractical yet due to the high installati
Externí odkaz:
https://doaj.org/article/3f545446e61a442abc3cc32d88e79e1a
Publikováno v:
Alexandria Engineering Journal, Vol 98, Iss , Pp 266-280 (2024)
In order to prevent damage to the support equipment caused by rock burst, a torsion plate energy absorption member is designed to be used with hydraulic columns. Explicit dynamic simulation is used and compared with the tests. The equations of struct
Externí odkaz:
https://doaj.org/article/0ad6e78907e7476faaf884c85489d43f
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 19, Iss 3, Pp 182-192 (2024)
ObjectiveThis study explores design methods for explosion-resistant energy-absorbing core elements in cabin subject to the joint effects of blast-induced shockwave and quasi-static barometric pressure. MethodsFinite element numerical calculations are
Externí odkaz:
https://doaj.org/article/86f040f9638845009b318a7962f26f85
Publikováno v:
Meitan xuebao, Vol 49, Iss 6, Pp 2924-2936 (2024)
Hydraulic support, being the primary supporting equipment in coal mining operations, is frequently subjected to rock burst pressure. Hence, the anti-impact energy absorption components play a pivotal role in safeguarding the hydraulic support system.
Externí odkaz:
https://doaj.org/article/f2a125c795104bb18be661e2b2c754be
Publikováno v:
Underground Space, Vol 15, Iss , Pp 331-352 (2024)
A novel meta steel with negative Poisson’s ratio effect (termed as micro-NPR steel) is developed for rock support in deep underground engineering. It possesses high strength, high ductility, and high energy absorption characteristics. In this paper
Externí odkaz:
https://doaj.org/article/247609a9c6e641a8a8bd0e590da7f09d
Autor:
Wang, Haoyu a, Du, Zongliang a, b, Feng, Fuyong c, d, Kang, Zhong e, Tang, Shan a, b, ⁎, Guo, Xu a, b, ⁎⁎
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 1 December 2024 432 Part B
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 53-62 (2024)
In response to the problem of lack of shrinkable pressure-allowing performance of steel pipe concrete arch in the current roadway support, an anti-impacting and energy-absorbing steel pipe concrete arch structure is designed from the perspective of e
Externí odkaz:
https://doaj.org/article/bd53f02857ca4f59b4ac0f1352e39766
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 1, Pp 1-25 (2024)
Coalburst is one of the most serious disasters that threaten the safe production of coal mines, and this disaster is particularly serious in China. This paper presents an overview of coalbursts in China since 1980s. From the ''stress and energy'' and
Externí odkaz:
https://doaj.org/article/4dcdcbe60142408cb46591b6b7d9e560