Monitoring and Analysis of Prestress Loss in Prestressed Box Girder Bridges Strengthened with External Prestressing [PDF]
SensorsTo investigate the effects of long-term prestress loss on concrete box girders strengthened with external prestressing, a large-span box girder, in service for over 20 years and strengthened with external prestressing, was monitored for four months ...
Haoran Guo +4 more
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Stage-by-Stage Prestressing Arrangement Design in the Design of Bridges with Hybrid Internal and External Prestressing Tendons [PDF]
预应力技术, 2023 In the design scheme of a bridge with external prestressing tendons and hybrid internal and external tendons, the internal tendons can bear the load in cantilever casting construction, the external tendons can bear the superimposed dead load and the ...
Zhichao Wang, Fangyuan Li
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Applied Sciences, 2021 The external prestressing method was developed to improve the load carrying capacity of concrete bridges damaged by ageing or other external environmental factors.
Sang-Hyun Kim +4 more
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Shear behavior of concrete beams externally prestressed with Parafil ropes
Ain Shams Engineering Journal, 2013 Although extensive work has been carried out investigating the use of external prestressing system for flexural strengthening, a few studies regarding the shear behavior of externally prestressed beams can be found.
A.H. Ghallab +3 more
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Strengthening Effect of the External Prestressing Method That Simulated a Deterioration Bridge
Applied Sciences, 2021 Various methods for strengthening existing structures have been developed owing to the increase in human and property damages caused by the deterioration of structures. Among the various reinforcing methods, the external prestressing method increases the
Sang-Hyun Kim +3 more
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STRENGTHENING BEHAVIOR OF STEEL BEAMS UNDER VARIED ECCENTRICITY LOCATIONS AND JACKING STRESS [PDF]
Journal of Engineering and Sustainable Development, 2020 Thirteen simply supported steel beams were tested to explain the effect of strengthening by external prestressing strands. All of these beams have the same steel section, clear span length and strengthening by two external prestressing strands.
Kamal Shahada Mahmoud +2 more
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EFFECT OF PRESTRESSING STRANDS ON THE LOAD DEFLECTION BEHAVIOR OF STEEL BEAMS [PDF]
Journal of Engineering and Sustainable Development, 2019 Seven simply supported steel beams were tested to explain the effect of strengthening by external prestressing strands. All of these beams have the same steel section, clear span length and the strengthening samples implemented by two external ...
Kamal Shahada Mahmoud +2 more
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SHEAR BEHAVIOR OF STEEL BEAMS STRENGTHENING BY PRESTRESSING STRANDS
Journal of Engineering and Sustainable Development, 2020 Seven simply supported steel beams were tested to explain the effect of existence of external prestressing strands on the shear behavior of steel beams.
Mohammed Mohammed Rasheed +2 more
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The Behavior of a Strengthened Steel Beam Section Under Eccentric Loadings [PDF]
E3S Web of Conferences, 2021 Thirteen simply supported steel samples have been tested to explain the effects of strengthening steel beams using an external prestressing strand. The samples have the same cross-sectional dimensions and overall length.
Rasheed Mohammed M. +3 more
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APPLICATION OF EXTERNAL PRESTRESSING TO TIMBER-CONCRETE COMPOSITE BEAMS
Facta Universitatis. Series: Architecture and Civil Engineering, 2023 Timber-concrete composite beams are classified as modern constructions. They are created by connecting a timber and concrete element. They are designed in such a way that the concrete part of the beam is placed in the compressed zone, and the timber part
Emir Maslak +3 more
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