This paper presents the results of an experimental study that deals with the characterization of the complete flexural response of post-tensioned (PT) ultra-high-performance concrete …
This paper provides a framework for predicting the flexural behavior of ultra-high performance concrete (UHPC) beams posttensioned with unbonded tendons. A mechanics …
N Oukaili, I Peera - Results in Engineering, 2022 - Elsevier
Predicting the stress increment (Δ fps) and in turn, the total stress (fps) in internally unbonded steel tendons at ultimate flexural strength of post-tensioned concrete members is …
T Lou, Z Li, M Pang - Case Studies in Construction Materials, 2022 - Elsevier
This study examines the use of fiber reinforced polymer (FRP) rebars as an alternative to steel rebars in externally prestressed concrete (EPC) continuous beams to alleviate the …
M Alqam, F Alkhairi, A Naaman - Arabian Journal for Science and …, 2020 - Springer
This study involves the analysis of the stress increase beyond effective prestress in beams prestressed with unbonded internal or external tendons at their ultimate limit state, Δf ps, and …
M Pang, X Liu, Y Dong, T Lou - Buildings, 2022 - mdpi.com
The tendon stress in bonded prestressed concrete (BPC) beams is section-dependent while it is member-dependent in unbonded prestressed concrete (UPC) beams, leading to marked …
W Yan, F Jiang, L Chen, Y Sun - Applied Sciences, 2023 - mdpi.com
The application of CFRP tendons in precast segmental concrete beams (PSCB) as internal un-bonded prestressing reinforcement is a newly developed scheme to improve structural …
T Selsøyvold, SMK Samarakoon… - Journal of Structural …, 2022 - ascelibrary.org
Existing design guidelines, codes, and literature provide different calculation models for the estimation of tendon stresses in unbonded posttensioned concrete members at the ultimate …
S Chen, F Jiang, Y Sun, W Yan - Buildings, 2024 - mdpi.com
The modeling method of unbonded effects is a challenging and hot topic for the structural performance analysis of unbonded and partially bonded post-tensioned concrete beams …