Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Tomás Manuel Fernández-Steeger"'
Autor:
Dongpeng Wu, Zhicheng Wang, Yungui Pan, Jian Huang, Tomás Manuel Fernández-Steeger, Chao Xu, Xinlong Tang, Zhiyu Long, Yufei Tang
Publikováno v:
Materials, Vol 16, Iss 14, p 4910 (2023)
After high-temperature treatment, both nano-titanium dioxide-modified concrete and ordinary concrete exhibit typical splitting failure. High-temperature heating reduces the mechanical properties and brittleness of concrete and improves the ductility
Externí odkaz:
https://doaj.org/article/69238cdcf4aa4da9973a10553fd2953b
Publikováno v:
Materials, Vol 16, Iss 9, p 3375 (2023)
Mineral materials have historically been extensively utilised in human society, and they hold significant prominence in various domains such as military, aerospace, electronics, and environmental conservation [...]
Externí odkaz:
https://doaj.org/article/480968acb2344133b27c78b3ccc3c853
Publikováno v:
Materials, Vol 15, Iss 5, p 1941 (2022)
Rocks are natural materials with a heterogeneous microstructure, and the heterogeneity of the microstructure plays a crucial role in the evolution of microcracks during the compression process. A numerical model of a rock with a heterogeneous structu
Externí odkaz:
https://doaj.org/article/8e703858e4b2414bbc2c688d851fc9fb
Autor:
Suran Wang, Haohao Liao, Youliang Chen, Tomás Manuel Fernández-Steeger, Xi Du, Min Xiong, Shaoming Liao
Publikováno v:
Materials, Vol 14, Iss 24, p 7840 (2021)
For thermal and loaded rock in engineering structures for some projects, triple-shear Drucker–Prager yield criteria, compaction coefficient K, damage variable correction factor δ, and thermal damage variable DT are introduced in a new thermomechan
Externí odkaz:
https://doaj.org/article/e58c453f60664d6588dde345ee8c7db2
Publikováno v:
Materials, Vol 14, Iss 23, p 7234 (2021)
In the study of rock mechanics, the variation of rock mechanical characteristics in high-temperature environments is always a major issue. The discrete element method and Voronoi modeling method were used to study the mechanical characteristics and c
Externí odkaz:
https://doaj.org/article/adfc988572804489835e238122331553
Autor:
Tang, Dongpeng Wu, Zhicheng Wang, Yungui Pan, Jian Huang, Tomás Manuel Fernández-Steeger, Chao Xu, Xinlong Tang, Zhiyu Long, Yufei
Publikováno v:
Materials; Volume 16; Issue 14; Pages: 4910
After high-temperature treatment, both nano-titanium dioxide-modified concrete and ordinary concrete exhibit typical splitting failure. High-temperature heating reduces the mechanical properties and brittleness of concrete and improves the ductility
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 105104- (2024)
Composite strata consisting of hard and soft rock are common during shield cutter excavation. The friction cutting process generates a large amount of cutting heat, high temperature will produce thermal stresses and thermal expansion in the disc cutt
Externí odkaz:
https://doaj.org/article/e9689d0fbd50448085db0c601d354abb
Autor:
Hao Ma, Youliang Chen, Lixin Chang, Xi Du, Tomas Manuel Fernandez-Steeger, Dongpeng Wu, Rafig Azzam, Yi Li
Publikováno v:
Materials, Vol 17, Iss 8, p 1747 (2024)
This study investigates the dynamics of moisture absorption and swelling in soft rock during tunnel excavation, emphasizing the response to support resistance. Utilizing COMSOL numerical simulations, we conduct a comparative analysis of various stren
Externí odkaz:
https://doaj.org/article/6c9932ebae104c37afe17170c66e5aa7
Autor:
Huidong Tong, Youliang Chen, Xi Du, Siyu Chen, Yungui Pan, Suran Wang, Bin Peng, Rafig Azzam, Tomas Manuel Fernandez-Steeger
Publikováno v:
Materials, Vol 17, Iss 5, p 972 (2024)
In order to optimize the efficiency and safety of gas hydrate extraction, it is essential to develop a credible constitutive model for sands containing hydrates. A model incorporating both cementation and damage was constructed to describe the behavi
Externí odkaz:
https://doaj.org/article/8ddcae65c6cf4b459d5e07e47eda613b
Publikováno v:
Materials, Vol 17, Iss 1, p 57 (2023)
The rapid advancement of science and technology has facilitated the creation of new technologies and techniques, leading to the convergence and diversification of fields [...]
Externí odkaz:
https://doaj.org/article/18fbc0d11b1f4f86ba97085cf05b423a