Time-variant service reliability of post-tensioned, segmental, concrete bridges exposed to corrosive environments
This paper presents a framework for assessing the service reliability of post-tensioned (PT)
bridges with damaged and undamaged tendons containing voids, chlorides, and moisture …
bridges with damaged and undamaged tendons containing voids, chlorides, and moisture …
Probabilistic capacity models for corroding posttensioning strands calibrated using laboratory results
The presence of air voids, moisture, and chlorides inside tendons or ducts was cited as a
reason for the early age strand corrosion and failure in the Mid-bay, Sunshine Skyway, and …
reason for the early age strand corrosion and failure in the Mid-bay, Sunshine Skyway, and …
Time-variant flexural reliability of posttensioned, segmental concrete bridges exposed to corrosive environments
Posttensioned (PT) bridges are used on major thoroughfares because they are economical
structures for traversing long spans. Special inspections of these bridges have revealed …
structures for traversing long spans. Special inspections of these bridges have revealed …
Non-destructive testing methods to identify voids in external post-tensioned tendons
SB Im, S Hurlebaus - KSCE journal of civil engineering, 2012 - Springer
A considerable number of Post-Tensioned (PT) bridges have been constructed because PT
systems enable them to carry significant traffic loads and have an aesthetical structure …
systems enable them to carry significant traffic loads and have an aesthetical structure …
Nondestructive evaluation of external post-tensioning systems to detect grout defects
Management of bridge assets requires a life-cycle approach that balances design and
construction of new bridges, and maintenance of existing bridge stock. There has been a …
construction of new bridges, and maintenance of existing bridge stock. There has been a …
Probabilistic models for the tensile strength of corroding strands in posttensioned segmental concrete bridges
The presence of air voids, moisture, and chlorides inside tendon systems on segmental
posttensioned (PT) bridges has been cited as a reason for the early age corrosion and …
posttensioned (PT) bridges has been cited as a reason for the early age corrosion and …
Inspection of voids in external tendons of posttensioned bridges
SB Im, S Hurlebaus, D Trejo - Transportation research …, 2010 - journals.sagepub.com
Segmental posttensioned bridges are major structures that carry significant traffic. Recent
investigations of these bridges identified voids in their ducts. The exposed strands at these …
investigations of these bridges identified voids in their ducts. The exposed strands at these …
[HTML][HTML] Approach to determine corrosion propensity in post-tensioned tendons with deficient grout
After corrosion failure of post-tensioned tendons was identified in a Florida bridge in early
2011, laboratory tests were conducted in this study on extracted sections from the failed …
2011, laboratory tests were conducted in this study on extracted sections from the failed …
[PDF][PDF] Optimum design of vertical steel tendons profile layout of post-tensioning concrete bridges: fem static analysis
AF Naser - ARPN Journal of Engineering and Applied Sciences, 2018 - academia.edu
The objectives of this study are to evaluate the optimum design of tendon profile layout, to
study the effect of tendon profile layout on the structural performance of post-tensioned …
study the effect of tendon profile layout on the structural performance of post-tensioned …
[PDF][PDF] Repair Options for Corrosion-damaged Prestressed Concrete Structures
S Sharma, MJ Osmolska, K Hornbostel, L Bathen… - 2024 - sciendo.com
Prestressing of bridges allows construction of long spanned bridges made from thin
structural members with high flexural and shear capacity. Studies have shown that some of …
structural members with high flexural and shear capacity. Studies have shown that some of …