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Development of cost-effective pavement treatment selection and treatment performance models.

File Language:
English


Details

  • Creators:
    Khattak, Mohammad Jamal ORCID ICON IMG ; Baladi, Gilbert Y.
  • Corporate Creators:
    University of Louisiana at Lafayette. Dept. of Civil Engineering
  • Corporate Contributors:
    United States. Federal Highway Administration ; Louisiana. Dept. of Transportation and Development
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA/LA. 13/518
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Louisiana
  • Corporate Publisher:
    Louisiana Transportation Research Center
  • Abstract:
    Louisiana Department of Transportation and Development (DOTD) has spent substantial financial resources on various ; rehabilitation and maintenance treatments to minimize pavement distresses and improve pavement life. Such treatments ; include, but are not limited to, chipseal, crack seal, micro-surfacing, thin and thick overlays, and structural overlays. ; Unfortunately, DOTD has not conducted a full scale performance assessment and cost-effectiveness analysis of all the ; aforementioned treatments. A recent study completed by the Louisiana Transportation Research Center (LTRC) ; regarding the pavement management system (PMS) and performance modeling emphasized the importance of ; developing treatment performance and selection models. In this regards, the LTRC initiated a three-phase research ; study that addresses such needs by developing rigorous treatment performance and selection models that are specific to ; the mission and management strategies of DOTD. The following are the three phases. ;  Phase I- Review and Project Selection ;  Phase II- Performance Modeling and Costs and Benefits of Treatments ;  Phase III- Model Integration and Training ; This final report focuses on the results of Phase I and Phase II of the study. Phase I is related to review of district ; pavement treatment practices and project selection for the development of pavement treatment performance models. ; Phase II deals with the performance modeling and costs and benefits of treatments. The data obtained from the Phase I ; was used to develop cost-effective pavement treatment performance and treatment selection models during Phase II of ; this study. Trigger values for optimum timing of pavement treatments and an approach to use the performance models ; cost effectively were established. All these findings will be integrated in the software development and training for ; DOTD staff to be completed during Phase III of this study.
  • Format:
    PDF
  • Funding:
    LTRC Project Number: 10-4P;State Project Number: 736-99-1722
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/22312/dot_22312_DS1.pdf
  • File Type:
    Filetype[PDF - 7.29 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:33ec872c650a3144365d110769e66f1d376f91a3d8da0097ed2c67602382babb808e850fff9a03c44aaff1ffd3ed692e8c70e0ab7318f8368ec6a12e1bab1795
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