Zobrazeno 1 - 10
of 4 423
pro vyhledávání: '"spalling"'
Autor:
Wang, Kai1 (AUTHOR), Sun, Qiaoru1 (AUTHOR), Yang, Haotian2 (AUTHOR), Jiao, Xingjian1 (AUTHOR), Wang, Xinyong1 (AUTHOR), Li, Junping1 (AUTHOR), Xu, Liang1 (AUTHOR), Zhao, Guolong2 (AUTHOR) zhaogl@nuaa.edu.cn
Publikováno v:
International Journal of Advanced Manufacturing Technology. Aug2024, Vol. 133 Issue 11/12, p5485-5500. 16p.
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Continuously reinforced concrete pavement (CRCP), crucial for the resilience of transportation infrastructure owing to its continuous steel reinforcement, confronts a critical challenge in the form of spalling—a distress phenomenon posing
Externí odkaz:
https://doaj.org/article/d52bee5ec700437abcfd0d4bcd41fb14
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 7, Pp 1-10 (2024)
In order to predict rib spalling depth in fully-mechanized mining faces, taking the coal wall as the research object, the coal wall is regarded as a tri-linear strain softening material. Then the direct roof and main roof are taken as macro roof, and
Externí odkaz:
https://doaj.org/article/b6ca0332593640efab89afcf0d5723ac
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 5, Pp 713-729 (2024)
The Voronoi grain-based breakable block model (VGBBM) based on the combined finite-discrete element method (FDEM) was proposed to explicitly characterize the failure mechanism and predict the deformation behavior of hard-rock mine pillars. The influe
Externí odkaz:
https://doaj.org/article/7bff1ef162a74ed2a1b0d82cdad03f1a
Publikováno v:
Advanced Engineering Materials; Jun2024, Vol. 26 Issue 11, p1-10, 10p
Publikováno v:
Developments in the Built Environment, Vol 19, Iss , Pp 100523- (2024)
Ultra-high-performance concrete (UHPC) emerged as a promising material for modern construction, offering unparalleled strength, durability, and versatility. However, there is limited research regarding UHPC's response to fire, prompting urgent invest
Externí odkaz:
https://doaj.org/article/b4c53d2d1c734105ac9f49b2bb17971c
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 4, Pp 427-442 (2024)
In order to improve rib stability, failure criteria and instability mode of a thick coal seam with inter-band rock layer are analysed in this study. A three-dimensional mechanical model is established for the rib by considering the rock layer. A safe
Externí odkaz:
https://doaj.org/article/b4c2853fecf84f6690f79970c093edb2
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 4, Pp 1280-1288 (2024)
The dynamic spalling characteristics of rock are important for stability analysis in rock engineering. This paper presented an experimental investigation on the dynamic spalling characteristics of granite with different temperatures and strain rates.
Externí odkaz:
https://doaj.org/article/83b55fe5403a4b0f9316e97871990916
Publikováno v:
Journal of Engineering Science & Technology Review. 2018, Vol. 11 Issue 6, p197-205. 9p.
Autor:
Taito Miura, Shintaro Miyamoto, Ippei Maruyama, Abudushalamu Aili, Takumi Sato, Yuji Nagae, Go Igarashi
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03571- (2024)
In this study, the expansion behavior of cement materials after high-temperature heating and water immersion was observed experimentally. Two experiments were conducted using mortar specimens with different sand-to-cement ratios subjected to differen
Externí odkaz:
https://doaj.org/article/b457571baedb4b8aaa8ce82f089738f1