Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Ninghui Liang"'
Publikováno v:
Frontiers in Materials, Vol 10 (2024)
Sulfate corrosion is one of the main causes of tunnel lining deterioration. An accurate understanding of the damage characteristics and corrosion mechanism of sulfate-corroded tunnels is the basis for the anti-corrosion design and damage control of t
Externí odkaz:
https://doaj.org/article/98e3fb44c2e4480d8ad8fc7368732b55
Publikováno v:
Case Studies in Thermal Engineering, Vol 53, Iss , Pp 103831- (2024)
In high-temperature tunnels, it is difficult to predict the temperature distribution, and the effectiveness of comprehensive cooling measures is not yet clear. This study proposed a highly accurate tunnel environmental temperature prediction model us
Externí odkaz:
https://doaj.org/article/2e707a59dba9468d9f9436a12a4053b8
Autor:
Xinrong Liu, Yang Zhuang, Xiaohan Zhou, Chao Li, BinBin Lin, Ninghui Liang, Zuliang Zhong, Zhiyun Deng
Publikováno v:
Underground Space, Vol 9, Iss , Pp 200-217 (2023)
Mountain road tunnels are prone to water leakage and lining corrosion under the complex geological conditions and corrosive environments, which will reduce the strength of the lining structure until it loses its load-bearing capacity; eventually, the
Externí odkaz:
https://doaj.org/article/deffae98fe6141d59c13777f7cf20c67
Autor:
Peng Chen, Xinrong Liu, Zhiyun Deng, Ninghui Liang, Libing Du, Han Du, Yedi Huang, Lingyun Deng, Gaoyang Yang
Publikováno v:
Underground Space, Vol 9, Iss , Pp 173-185 (2023)
Previous studies on pipe friction resistance are mainly concentrated in the soil layer, whereas the study on that in the rock stratum is limited. To estimate the pipe friction resistance in the rock stratum, the calculation models of pipe friction re
Externí odkaz:
https://doaj.org/article/2157e423c03441ffb1e0fa408537bf54
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 16, Iss 1, Pp 1-14 (2022)
Abstract To explore the effect of multi-scale polypropylene fiber (PPF) hybridization on the mechanical properties of roller-compacted concrete (RCC), the early-age (3, 7, 14, 28 days) compressive strength, splitting tensile strength and uniaxial ten
Externí odkaz:
https://doaj.org/article/1cdf7af187d843d684e2ed3702ae80cd
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 15, Iss 1, Pp 1-11 (2021)
Abstract To study the influence of polypropylene fibers with different thicknesses on concrete beams, inclined section shear tests of polypropylene fiber concrete beams were carried out. The cracking load, ultimate load, midspan deflection, reinforce
Externí odkaz:
https://doaj.org/article/24fb31594c724ae481ad518e2936c135
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01669- (2022)
The application of polypropylene fiber in the secondary tunnel lining can provide theoretical guidance for preventing and controlling tunnel lining problems from the perspective of concrete materials. The field tests and long-term observations were c
Externí odkaz:
https://doaj.org/article/4994705a35954fd587a29cba39aafb8b
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 15, Iss 1, Pp 1-23 (2021)
Abstract To study the hybrid effects of polypropylene fiber and basalt fiber on the fracture toughness of concrete, 13 groups of notched concrete beam specimens with different fiber contents and mass ratios were prepared for the three-point bending t
Externí odkaz:
https://doaj.org/article/a63eb5821d12478c98dd0bc6cfb97aef
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e01065- (2022)
To study the corrosion resistance properties of multiscale polypropylene fiber-reinforced concrete (MPFRC) when subjected to sulfate attack, two types of fine polypropylene fiber (FPF) and one type of coarse polypropylene fiber (CPF) were selected fo
Externí odkaz:
https://doaj.org/article/45204012a0a9480cac145d63a03690a3
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
Compressive properties of hybrid polypropylene fiber-reinforced concrete (HPFRC) with different sizes of polypropylene fibers (PPFs) under the impact load (101∼102/s) were tested by using a 74 mm diameter various cross-section split-Hopkinson press
Externí odkaz:
https://doaj.org/article/0110ca7961fb48e3b9cb5a17e44cd173