A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Environmental, Mechanical and Life-Cycle Cost Analysis of Bridge Columns
Corrosion of RC bridge element is one of the major deterioration distresses to US Highway Bridges. FRP composites jackets can be the economic and effective corrosion repair in future, though its practices and field installation as a means of corrosion repair are limited due to limited durability studies. However, in many laboratory tests and some field test, the externally bonded FRP composites shown to have corrosion control properties in chloride laden environment. In the study, concrete encased in FRP jackets and steel-concrete-FRP columns were subjected to severe environmental cycles. The behavior of the conditioned cylinders was tested under axial cyclic loads. Moreover, the FRP composites jackets are considered as a corrosion repair material for corroded RC bridge pier column and a life-cycle cost analysis procedure is proposed based on the probabilistic model. The use of this probabilistic model needs corrosion parameters. FRP composites durability properties as a statistically distributed random variable input in Monte-Carlo Simulation. The life-cycle cost includes the agency related cost of inspection, maintenance, repair, rehabilitation, cost of failure represented as probability of failure repaired column, and users cost.
Environmental, Mechanical and Life-Cycle Cost Analysis of Bridge Columns
Corrosion of RC bridge element is one of the major deterioration distresses to US Highway Bridges. FRP composites jackets can be the economic and effective corrosion repair in future, though its practices and field installation as a means of corrosion repair are limited due to limited durability studies. However, in many laboratory tests and some field test, the externally bonded FRP composites shown to have corrosion control properties in chloride laden environment. In the study, concrete encased in FRP jackets and steel-concrete-FRP columns were subjected to severe environmental cycles. The behavior of the conditioned cylinders was tested under axial cyclic loads. Moreover, the FRP composites jackets are considered as a corrosion repair material for corroded RC bridge pier column and a life-cycle cost analysis procedure is proposed based on the probabilistic model. The use of this probabilistic model needs corrosion parameters. FRP composites durability properties as a statistically distributed random variable input in Monte-Carlo Simulation. The life-cycle cost includes the agency related cost of inspection, maintenance, repair, rehabilitation, cost of failure represented as probability of failure repaired column, and users cost.
Environmental, Mechanical and Life-Cycle Cost Analysis of Bridge Columns
S Wang (author) / M Elgawady (author) / P.P Shrestha (author) / A Said (author) / D Dhakal (author)
2014
75 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Materials Sciences , Engineering Materials , Civil Engineering , Construction Materials, Components, & Equipment , Construction Management & Techniques , Structural Analyses , Transportation & Traffic Planning , Transportation , Structural Mechanics , Management Practice , Life cycle costs , Bridges , Highway bridges , Environmental , Mechanical , Cost analysis , Inspection , Information systems , Seismic , Durability , Concrete , Management planning , Maintenance , Models , Optimization
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