Now showing items 140-159 of 176

    • Rail to truck modal shift: impact of increased freight traffic on pavement maintenance costs 

      Pagano, Anthony; Ogard, Libby; Bausano, Jason; Williams, R. Christopher; Stewart, Richard (Midwest Regional University Transportation Center, 2008-01)
      The loss of rail network infrastructure and rail service throughout the U.S. has in most instances resulted in the modal shift of rail freight to truck. Rail freight converted to truck may have significant impact on pavement ...
    • Rapid bridge construction technology, precast elements for substructures 

      Okumus, Pinar; Oliva, Michael; Unlu, Demirhan (Wisconsin Highway Research Program, 2011-06)
      The goal of this research was to propose an alternate system of precast bridge substructures which can substitute for conventional cast in place systems in Wisconsin to achieve accelerated construction. Three types of ...
    • Rapid strengthening of reinforced concrete bridges 

      Oliva, Michael; Bank, Lawrence C.; Borowicz, David T.; Arora, Dushyant (Wisconsin Highway Research Program, 2003-10)
      An innovative technique for repairing reinforced concrete beams (or slabs) by attaching FRP (fiber reinforced polymer) strengthening strips to the underside of the beam using powder actuated fasteners and mechanical anchors ...
    • Reconstruction of railroads and highways with in-situ reclamation materials 

      Edil, Tuncer; Tinjum, James; Ebrahimi, Ali (National Center for Freight and Infrastructure Research and Education, 2011-03)
      The resilient modulus and plastic deformation of recycled roadway materials with and without fly ash stabilization were characterized using a large-scale model experiment (LSME). Stabilization of recycled pavement materials ...
    • Reducing shrinkage cracking of structural concrete through the use of admixtures 

      Chun, Yoon-moon; Naik, Tarun R.; Kraus, Rudolph N. (Wisconsin Highway Research Program, 2006-03)
      Shrinkage-reducing admixtures (SRAs) from three manufacturers (SRA-1, Eucon SRA from Euclid; SRA-2, Eclipse Plus from Grace; and SRA-3, Tetraguard AS20 from Degussa) were evaluated in Wisconsin Department of Transportation ...
    • A regional traffic simulation/assignment model for evaluation of transit performance and asset utilization: time dependent multimodal and intermodal assignment models 

      Chang, Elaine; Ziliaskopoulos, Anthanasios (Midwest Regional University Transportation Center, 2004-02)
      This report presents three approaches to modeling multimodal and intermodal transportation network problems for evaluation of transit performance and asset management. The first approach is an automobile assignment-based ...
    • Rehabilitation techniques for concrete bridges 

      Tabatabai, Habib; Ghorbanpoor, Al; Turnquist-Nass, Amy (Wisconsin Highway Research Program, 2005-03)
      This research project addresses rehabilitation techniques for reinforced and prestressed concrete bridges, focusing primarily on corrosion of prestressed concrete beam-ends. An extensive literature database on repair of ...
    • Research and development of the application of the Federal Highway Administration's HIPERPAV model to Wisconsin 

      Titi, Hani; Ruiz, J. Mauricio; Resendez, Yadhira A.; Dick, Jason C.; Rasmussen, Robert O.; Mattern, Steven (Wisconsin Highway Research Program, 2006-04)
      This report summarizes the work involved in customizing the HIgh PERformance PAVing (HIPERPAV)? software for the state of Wisconsin. Under this research project, HIPERPAV was customized to use the same terminology and ...
    • Rethinking bridge deck longevity and maintenance with Portland cement polymer concrete 

      Cramer, Steven; Agosto, Andrew (Midwest Regional University Transportation Center, 2008-08)
      Bridge deck deterioration in the northern Midwest creates significant costs to state Departments of Transportation (DOT?s) in the region. The fundamental cause of the problem is low tensile strength and water permeable ...
    • Risk misallocation on highway transportation projects 

      Hanna, Awad; Blasier, Kelly (Midwest Regional University Transportation Center, 2008-09)
      Unfortunately, on the most common ways to avoid risk in the highway construction industry today is by allocating it elsewhere. Risk is constantly passed around and usually to parties who are not in the best position to ...
    • Sensitivity of bridge health index to element failure costs and conditions 

      Kang, Myungook; Adams, Teresa M. (Midwest Regional University Transportation Center, 2009-11)
      The Bridge Health Index (BHI) is a bridge performance measure based on the condition of the bridge elements. It is computed as the ratio of remaining value of the bridge structure to the initial value of the structure. ...
    • Specification and design of fiber reinforced bridge deck forms for use on wide flange t-girders 

      Russell, Jeffrey; Bentur, Amon; Malla, Ajaya P.; Oliva, Michael; Shapira, Aviad; Bank, Lawrence C. (Wisconsin Highway Research Program, 2007-10)
      Wide-flanged concrete girders are increasingly being used for highway bridges in Wisconsin. These girders are closely spaced and have very small clear gaps between the girder flanges making conventional plywood formwork ...
    • Statistical analysis of heavy truck loads using Wisconsin weigh-in-motion data 

      Zhao, Jian; Tabatabai, Habib; Lee, Chin-Wei (National Center for Freight and Infrastructure Research and Education, 2009-09)
      This study involved statistical evaluation of heavy truck loads that were recorded in 2007 using Weigh-In-Motion stations located throughout the State of Wisconsin. The heaviest 5% of all trucks in each class and axle ...
    • Structural analysis of sign bridge structures and luminaire supports 

      Ginal, Scott; Foley, Christopher; Peronto, John; Fournelle, Raymond (Wisconsin Highway Research Program, 2004-03)
      The Wisconsin Department of Transportation has experienced failures of a high-mast luminaire (HML) support structure and a full-span overhead sign support structure. Furthermore, cracking has been found in many sign support ...
    • Synthesis of best practices for the development of an integrated data and information management approach 

      Lazimy, Raphael; Adams, Teresa M. (Midwest Regional University Transportation Center, 2008-09)
      State transportation agencies deal with numerous technical and organizational challenges in building integrated data and information systems to provide high-quality information for supporting analysis, control and decision ...
    • Synthesis of national efforts in transportation asset management 

      Wittwer, Ernie F.; Obermann, Bill; Bittner, Jason (Midwest Regional University Transportation Center, 2002-05)
      In the Fall of 2001, the Midwest Regional University Transportation Center (University of Wisconsin, Madison) conducted a survey of national efforts in Transportation Asset Management. The organizations and efforts ...
    • System management and monitoring : temporal evaluation of freeway management systems 

      Coifman, Benjamin; Redmill, Keith; Merry, Carolyn (Midwest Regional University Transportation Center, 2005-02)
      Virtually every major metropolitan area in the US has a traffic monitoring system to help increase traffic throughput, decrease the number of accidents, decrease the time required to clear incidents that disrupt flow, and ...
    • A systematic process for using federal aid to support bridge preventive maintenance 

      Adams, Teresa M.; Pincheira, Jose A.; Kang, Myungook (Midwest Regional University Transportation Center, 2008-11)
      Preventive maintenance (PM) is recognized as a cost?effective way to preserve the investment in and service life of highway bridges. State agencies, including Wisconsin, are performing bridge PM projects. SAFETEA-LU 23 ...
    • Test method to determine aggregate/asphalt adhesion properties and potential moisture damage 

      Wen, Haifang; Kanitpong, Kunnawee; Bahia, Hussain; Hanz, Andrew (Wisconsin Highway Research Program, 2007-05)
      The aim of this research project was to improve current practice by investigating different test methods to quantify moisture damage in an effort to serve the short and long term needs of the agency and industry. In the ...
    • Testing methods to determine long term durability of Wisconsin aggregate resources 

      Cady, Philip D.; Lane, Daniel S.; Mokarem, David W.; Williamson, Gregory S.; Weyers, Richard E. (Wisconsin Highway Research Program, 2005-10)
      The Wisconsin Department of Transportation (WisDOT) uses approximately 11,000,000 tons of aggregate per year for transportation projects. Being able to select durable aggregates for use in transportation projects is of ...