Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Kingsley Lau"'
Publikováno v:
Cement, Vol 15, Iss , Pp 100093- (2024)
Corrosion of steel strand embedded in deficient grout has been associated with elevated concentrations of sulfate ions stemming from grout segregation and the adverse influences of excess mix water and grout prehydration. There have been discussions
Externí odkaz:
https://doaj.org/article/7688c220335a41e6a594a5fab6b2addf
Autor:
Samanbar Permeh, Kingsley Lau
Publikováno v:
Construction Materials, Vol 3, Iss 4, Pp 449-461 (2023)
The corrosion of steel in post-tensioned tendons has been associated with deficient grout materials containing high free sulfate ion concentrations. In a Florida bridge in 2011, tendon corrosion failures occurred for a prepackaged thixotropic grout t
Externí odkaz:
https://doaj.org/article/e253a2ad1e8441e1a6e2d9262edd0a09
Autor:
Samanbar Permeh, Kingsley Lau
Publikováno v:
Cement, Vol 10, Iss , Pp 100051- (2022)
Localized corrosion developed on post-tensioned steel strand in deficient grout, relating to elevated concentrations of sulfate ions. The deficient grout can also have low-level chloride ion concentrations below threshold values originating from the
Externí odkaz:
https://doaj.org/article/9f536b24e26a4602ba700755e74d8fa4
Publikováno v:
Case Studies in Construction Materials, Vol 15, Iss , Pp e00644- (2021)
Mobilization and stratification of ions and moisture in post-tensioned tendons during grout hydration can create adverse conditions which can promote corrosion. The transport of sulfate and chloride ions associated with grout segregation in large-sca
Externí odkaz:
https://doaj.org/article/eff7d7b13fa140789e09dc5c8340b55f
Autor:
Samanbar Permeh, Kingsley Lau
Publikováno v:
Materials Proceedings, Vol 6, Iss 1, p 29 (2021)
Post-tensioned (PT) construction incorporating bonded tendons with cementitious grouts has been used for highway bridges. The tendon duct and the encapsulating grout materials provide barrier corrosion protection for the embedded high-strength steel
Externí odkaz:
https://doaj.org/article/e8a0c396fe294099adfd92272457bfd3
Publikováno v:
Infrastructures, Vol 4, Iss 2, p 18 (2019)
Ultra-high-performance concrete (UHPC) has been introduced for reinforced concrete structures due to its enhanced mechanical performance, including high compressive strength and tensile capacity. In certain applications, such as closure joints, conne
Externí odkaz:
https://doaj.org/article/5caaf2751d264dc590d777f01c8b25e4
Autor:
Samanbar Permeh, Kingsley Lau
Publikováno v:
Materials and Corrosion. 74:20-32
Publikováno v:
Journal of Performance of Constructed Facilities. 37
Autor:
Samanbar Permeh, Kingsley Lau
Publikováno v:
Construction Materials. 2:70-84
Post-tensioned (PT) construction incorporating bonded tendons with cementitious grouts has been used for highway bridges. The tendon duct and the encapsulating grout materials provide barrier corrosion protection for the embedded high-strength steel
Autor:
Prasanth Alapati, Carmen Andrade, Ueli M. Angst, Timothy Barrett, Mohamed ElBatanouny, Andrew Fahim, Pouria Ghods, Carolyn M. Hansson, Brett Holland, Burkan Isgor, Lawrence Kahn, Kimberly E. Kurtis, Ivan Lasa, Kingsley Lau, David B. McDonald, Samanbar Permeh, Amir Poursaee, Chunyu Qiao, Robert Spragg, Hamidreza Torbati-Sarraf, Jason Weiss, Stephen R. Yeomans, Paul Ziehl
Publikováno v:
Corrosion of Steel in Concrete Structures ISBN: 9780128218402
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dbfeb784ee497d4e5d96b148484b83b
https://doi.org/10.1016/b978-0-12-821840-2.01002-6
https://doi.org/10.1016/b978-0-12-821840-2.01002-6