DETERMINING STRENGTH CAPACITY OF DETERIORATED REINFORCED CONCRETE BRIDGE SUBSTRUCTURE

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DETERMINING STRENGTH CAPACITY OF DETERIORATED REINFORCED CONCRETE BRIDGE SUBSTRUCTURES

Author: Timothy Kenneth Saad | Size: 10 MB | Format: PDF | Quality: Unspecified | Publisher: Thesis submitted to the Faculty of the Graduate School of the University of Maryland, College Park in partial fulfillment of the requirements for the degree of Master of Science | Year: 2010 | pages: 87

Corrosion of steel reinforcement is a major factor in the deterioration of highway and bridge
infrastructure. Knowing the initiation time of corrosion on a reinforced concrete structure
provides a much needed source of information in evaluating the service life of the structure. To
find the corrosion initiation time the effects of carbonation and chloride are examined.
Furthermore, the different variables that affect the ingress of carbonation and chloride are also
examined and analyzed together. Probabilistic modeling and stochastic design of these variables
will determine the initiation of corrosion, the amount of corrosion, and the strength loss of the
concrete pier. This process will help classify deteriorating structure into the National Bridge
Inventory (NBI) condition ratings from the Federal Highway Administration.

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