Zobrazeno 1 - 10
of 344
pro vyhledávání: '"grouting materials"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Underground grouting is a concealed project, and it is difficult to test the strength of grouting stones in engineering practice. Aiming at the problems of high confined water pressure and strong water-richness of the roadway floor, a pressu
Externí odkaz:
https://doaj.org/article/a11a573aa1c84baf96886ba435fd7fc4
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1299-1309 (2024)
Polyurethane grouting materials are widely utilized in dam restoration projects due to their advantages of early strength, rapid formation, high expansion and excellent impermeability. With the increasing complexity of the service environment, polyur
Externí odkaz:
https://doaj.org/article/90af11af9f5e44cfb972783cf61380c4
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03425- (2024)
Semi-flexible pavement is a new type of pavement technology with excellent mechanical and road performance. Grouting materials play a crucial role in filling and reinforcing semi-flexible pavements as an important component. In this study, based on s
Externí odkaz:
https://doaj.org/article/e4d4af68209e4d3ab45662115b3d9a93
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03068- (2024)
This paper experimentally investigates the compressive and flexural strengths of cement-based grouting materials used in grouted sleeve connections at both room temperature and after exposure to high temperatures. The tests were conducted at three di
Externí odkaz:
https://doaj.org/article/e9af8b0996d94b7da49f10f0531caad6
Publikováno v:
Fibers, Vol 12, Iss 9, p 77 (2024)
This study examined the impact properties of ultra-high-performance concrete (UHPC) mixtures with steel fiber (SF) and retrofitted with polyurethane (PU) grouting using repeated drop-weight tests. Micro-steel fiber was added to UHPC mixes from 0 to 3
Externí odkaz:
https://doaj.org/article/f2855f6704a4461cb36bcc33a3516971
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4915 (2024)
The alkali-activated composites technique is a promising method for the in situ preparation of cavity filling/grouting materials from engineering waste soil. To investigate the feasibility of engineering waste soil utilization by the alkali activatio
Externí odkaz:
https://doaj.org/article/6c4b72e5e2414bdca8163ac0fe19c5de
Autor:
Zhang Guangbo, Zhang Suian, Jia Wei, Zhang Xiao, Zhang Yang, Lian Haoyu, Lian Xiaohua, Fang Huili
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
This article presents an effective method for improving the structure and performance of coal rock masses, thereby facilitating coalbed methane extraction—the grouting solidification technique. A systematic review is conducted on grouting solidific
Externí odkaz:
https://doaj.org/article/b4f27f3b34f546e49fd6ea069eb6c6b8
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02674- (2023)
Cement grouting reinforcement is a widely used method for controlling water inrush in tunnels. However, traditional cement grout has certain limitations such as low strength and susceptibility to erosion, which can result in inadequate grouting perfo
Externí odkaz:
https://doaj.org/article/4d8b1991081f4713a740c60ea87bc302
Publikováno v:
Deep Underground Science and Engineering, Vol 2, Iss 1, Pp 2-19 (2023)
Abstract Grouting is an effective method to improve the integrity and stability of fractured rocks that surround deep roadways. After years of research and practice, various theories and a complete set of grouting technologies for deep roadways with
Externí odkaz:
https://doaj.org/article/f79c8b0d78d74e7881f4b2b7fc5b4f3d