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Weibull-Based Deterioration and Preservation Models for Florida Bridges

Title: Weibull-Based Deterioration and Preservation Models for Florida Bridges.
Name(s): Ackah, Kojo Essuman, author
Sobanjo, John Olusegun, 1958-, professor directing thesis
Spainhour, Lisa, committee member
Tawfiq, Kamal Sulaiman, committee member
Florida State University, degree granting institution
FAMU-FSU College of Engineering, degree granting college
Department of Civil and Environmental Engineering, degree granting department
Type of Resource: text
Genre: Text
Issuance: monographic
Date Issued: 2016
Publisher: Florida State University
Place of Publication: Tallahassee, Florida
Physical Form: computer
online resource
Extent: 1 online resource (219 pages)
Language(s): English
Abstract/Description: In the past decade, FDOT has carried out network-level decisions through the utilization of AASHTO Pontis Bridge Management System. Like most states, Florida DOT had been previously using a customized version of the 1997 AASHTO CoRe Element Guide and developed its inspection, deterioration and cost frameworks using the 1997 capabilities. In compliance with the MAP-21 directive, Florida modified its procedures of bridge inspection data collection, cost, and deterioration and preservation models development based on the new AASHTO 2013 manual. This thesis research was aimed at developing a Semi-markov based preservation model based on the revised bridge inspection process. The changes however, required a revision of past deterioration models, both Markov and Semi-markov. Thus, transition probabilities based on the two-parameter Weibull distribution describing the natural deterioration of each element were generated and consequently, optimized preservation policies. This task required a review of Florida bridge data, creating a time-based deterioration model and thereafter, generating preservation actions to be taken on the bridge elements. A literature review of state DOT inspection and preservation manuals, the NBIS requirements, AASHTO BrM 5.2.1 documentation and other helpful publications was also conducted in the process. The network-level optimization model was established with the application of linear programming algorithms and stochastic theories.
Identifier: FSU_2016SU_Ackah_fsu_0071N_13292 (IID)
Submitted Note: A Thesis submitted to the Department of Civil and Environmental Engineering in partial fulfillment of the requirements for the degree of Master of Science.
Degree Awarded: Summer Semester 2016.
Date of Defense: June 1, 2016.
Keywords: Deterioration models, Linear programming, Optimization, Preservation models, Semi-Markov, Weibull distribution
Bibliography Note: Includes bibliographical references.
Advisory Committee: John Sobanjo, Professor Directing Thesis; Lisa Spainhour, Committee Member; Jung Sungmoon, Committee Member; Kamal Tawfiq, Committee Member.
Subject(s): Civil engineering
Persistent Link to This Record:
Owner Institution: FSU

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Ackah, K. E. (2016). Weibull-Based Deterioration and Preservation Models for Florida Bridges. Retrieved from