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Life-cycle assessment of Nebraska bridges.

File Language:
English


Details

  • Creators:
    Hatami, Afshin ; Morcous, George
  • Corporate Creators:
    University of Nebraska--Lincoln
  • Subject/TRT Terms:
  • Publication/ Report Number:
    SPR-P1(12) M312
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Nebraska
  • Corporate Publisher:
    Nebraska. Dept. of Roads. Bridge Division
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures ; NTL-HIGHWAY/ROAD TRANSPORTATION-Construction and Maintenance ; NTL-PLANNING AND POLICY-Management Systems
  • Abstract:
    Life-cycle cost analysis (LCCA) is a necessary component in bridge management systems (BMSs) for ; assessing investment decisions and identifying the most cost-effective improvement alternatives. The ; LCCA helps to identify the lowest cost alternative that accomplishes project objectives by providing ; critical information for the overall decision-making process. ; The main objective of this project is to perform LCCA for different maintenance strategies using the ; developed deterioration models and updated cost data for Nebraska bridges. Deterministic and ; probabilistic LCCA using RealCost software for deck overlay decisions, expansion joint replacement ; decisions, and deck widening versus deck replacement decisions are presented. For deck overlay ; decision, silica fume overlay, epoxy polymer overlay, and polyester overlay are compared against bare ; deck with respect to life cycle cost for variable structural life. In expansion joint replacement decisions, ; two alternatives are compared: relocating abutment expansion joints at the grade beam; and replacing ; abutment expansion joints at the same place. Deck widening is compared with deck replacement in five ; different bridges.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/25956/dot_25956_DS1.pdf
  • File Type:
    Filetype[PDF - 930.89 KB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:0454f74182d5f56fcf512ed704832df8b3e667659de0be37b5baf4355639e0daafde89bbce0dcd576471eef82124ec499966ff8f3465b7df07f3fb322fcd10f2
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