Recent Submissions

  • Thermal Response of Integral Abutment Bridges with Mechanically Stabilized Earth Walls 

    Arenas, Alfredo E.; Filz, George M.; Cousins, Thomas E. (Virginia Center for Transportation Innovation and Research, 2013-03-01), VCTIR 13-R7
    The advantages of integral abutment bridges (IABs) include reduced maintenance costs and increased useful life spans. However, improved procedures are necessary to account for the impacts of cyclic thermal displacements ...
  • Roanoke Urban Stormwater Research: Phase 1 - Discovery Final Report 

    Dymond, Randel L.; Aguilar, Marcus F.; Bender, Paul; Hodges, Clayton (2014-12-01)
    This report is the final product of an 8 month long collaboration between the City of Roanoke’s Environmental, Engineering, Public Works, GIS, and Planning staff, and researchers in the Via Department of Civil and Environmental ...
  • Investigation of the Resistance of Pile Caps and Integral Abutments to Lateral Loading 

    Robert L. Mokwa; Duncan, J. Michael (Virginia Center for Transportation Innovation and Research, 2002-02-01), FHWA/VTRC 00-CR4
    This research provides a means of assessing and quantifying many important aspects of pile group and pile cap behavior under lateral loads. The program of work performed in this study includes developing a full-scale field ...
  • Classification of longitudinal welds in an aluminum bridge deck 

    Cousins, Thomas E.; Richard F. Hezel II; Jose P. Gomez (Virginia Center for Transportation Innovation and Research, 2002-02-01), VTRC 00-CR5
    An aluminum bridge deck (called ALUMADECK) has been developed by Reynolds Metal Company and is made of extruded aluminum sections welded together at the sides to form a bridge deck. The longitudinal welds used to connect ...
  • Experimental and Analytical Investigations of Piles and Abutments of Integral Bridges 

    Arsoy, Sami; Richard M. Barker; Duncan, J. Michael (Virginia Center for Transportation Innovation and Research, 2002-03-01), FHWA/VTRC 02-CR6
    This research investigated, through experimental and analytical studies, the complex interactions that take place between the structural components of an integral bridge and the adjoining soil. The ability of piles and ...
  • Erosion Protection for Soil Slopes Along Virginia's Highways 

    Jessee A. Scarborough; Filz, George M.; James K. Mitchell; Thomas L. Brandon (Virginia Center for Transportation Innovation and Research, 2000-10-01), VTRC 01-CR3
    A survey of the state of practice for designing slope erosion control measures within VDOT's nine districts has been conducted. On the basis of the survey, it is clear that there are no specific design procedures currently ...
  • Field performance of epoxy-coated reinforcing steel in Virginia bridge decks 

    Wioleta A. Pyc; Weyers, Richard E.; Ryan M. Weyers; Mokarem, David W.; Jerzy Zemajtis; Sprinkel, Michael M.; Dillard, John G. (Virginia Center for Transportation Innovation and Research, 2000-02-01), VTRC 00-R16
    In this study, the corrosion protection performance of epoxy-coated reinforcing steel (ECR) was evaluated using approximately 250 concrete cores from 18 bridge decks in Virginia. The decks were 2 to 20 years old at the ...
  • High-speed texture measurement of pavements 

    McGhee, Kevin K.; Flintsch, Gerardo W. (Virginia Center for Transportation Innovation and Research, 2003-02-01), VTRC 03-R9
    This study was conducted to validate high-speed texture measuring equipment for use in highway applications. The evaluation included two high-speed systems and a new static referencing device. Tests were conducted on 22 ...
  • Glass fiber reinforced polymer bars as top mat reinforcement for bridge decks 

    J.M. DeFreese; Roberts-Wollmann, Carin L. (Virginia Center for Transportation Innovation and Research, 2002-09-01), VTRC 03-CR6
    The objectives of this research were to characterize the material and bond properties of three commercially available GFRP (glass fiber reinforced polymer) reinforcing bars, and evaluate the effects of the material properties ...
  • Evaluation of models for predicting (total) creep of prestressed concrete mixtures 

    Meyerson, Richard M.; Weyers, Richard E.; Mokarem, David W.; D. Stephen Lane (Virginia Center for Transportation Innovation and Research, 2002-09-01), VTRC 03-CR5
    Concrete experiences volume changes throughout its service life. When loaded, concrete experiences an instantaneous recoverable elastic deformation and a slow inelastic deformation called creep. Creep of concrete is composed ...
  • Using high-speed texture measurements to improve the uniformity of hot-mix asphalt 

    McGhee, Kevin K.; Flintsch, Gerardo W.; de León Izeppi, Edgar (Virginia Center for Transportation Innovation and Research, 2003-05-01), VTRC 03-R12
    This study introduces Virginia's efforts to apply high-speed texture measurement as a tool to improve the uniformity of hot-mix asphalt (HMA) pavements. Three approaches for detecting and quantifying HMA segregation through ...
  • Investigation of Transfer Length, Development Length, Flexural Strength, and Prestress Losses in Lightweight Prestressed Concrete Girder 

    Cousins, Thomas E.; Adil Nassar (Virginia Center for Transportation Innovation and Research, 2003-04-01), FHWA/VTRC 03-CR20
    Encouraged by the performance of high performance normal weight composite girders, the Virginia Department of Transportation has sought to exploit the use of high performance lightweight composite concrete (HPLWC) girders ...
  • Factors Affecting Strength Gain in Lime-Cement Columns and Development of a Laboratory Testing Procedure 

    Jesse R. Jacobson; Filz, George M.; James K. Mitchell (Virginia Center for Transportation Innovation and Research, 2003-06-01), FHWA/VTRC 03-CR16
    Lime-cement columns were constructed to improve soft ground as part of a test embankment program at the I-95/Route interchange in Alexandria, Virginia. Two different commercial laboratories performed tests on treated soil, ...
  • Proof Testing a Bridge Deck Design with Glass Fiber Reinforced Polymer Bars as Top Mat of Reinforcement 

    Jason K. Cawrse; Roberts-Wollmann, Carin L. (Virginia Center for Transportation Innovation and Research, 2003-06-01), VTRC 03-R15
    The primary objective of this project was to test a full-scale prototype of a bridge deck design containing glass fiber reinforced polymer (GFRP) bars as the top mat of reinforcement. The test deck mimics the design of the ...
  • Development of concrete shrinkage performance specifications 

    Mokarem, David W.; Meyerson, Richard M.; Weyers, Richard E. (Virginia Center for Transportation Innovation and Research, 2003-08-01), VTRC 04-CR1
    During its service life, concrete undergoes volume changes. One of the types of deformation is shrinkage. The four main types of shrinkage associated with concrete are plastic, autogenous, carbonation, and drying shrinkage. ...
  • Influence of the new LRFD seismic guidelines on the design of bridges in Virginia 

    M.A. Widjaja; Roberts-Wollmann, Carin L. (Virginia Center for Transportation Innovation and Research, 2004-03-01), VTRC 04-CR17
    The Virginia Department of Transportation is currently using the AASHTO Standard Specifications for Highway Bridges, with some modifications, for its seismic highway bridge design. In April 2001, the Recommended LRFD ...
  • Composite action in a steel girder span with precast deck panels :the I-81 bridge over the New River in Radford, Virginia 

    Cousins, Thomas E. (Virginia Center for Transportation Innovation and Research, 2003-10-01), VTRC 04-R4
    Two parallel bridges carry I-81 north and south over the New River in southwest Virginia, near the city of Radford. The bridges are identical in design and have been in place since 1985. In recent years, a number of ...
  • Structural load testing and flexure analysis of the Route 701 Bridge in Louisa County, Virginia 

    Cousins, Thomas E.; Lucas, Jeremy L.; Brown, Michael C.; Stephen R. Sharp; D. Stephen Lane (Virginia Center for Transportation Innovation and Research, 2004-06-01), VTRC 04-R12
    A continuous slab bridge in Louisa County, Virginia, on Route 701 developed a planar horizontal crack along the length of all three spans. This project was designed to determine if the current load rating of the bridge ...
  • Plate & tube bridge deck evaluation in the deck test bed of the Troutville, Virginia, weigh station 

    Cousins, Thomas E.; Lesko, John J. (Virginia Center for Transportation Innovation and Research, 2004-03-01), VTRC 04-CR12
    This report addresses the laboratory and field performance of multi-cellular fiber-reinforced polymer (FRP) composite bridge deck systems. We focus specifically on FRP decks produced from adhesively bonded pultrusions where ...
  • Creep of high-strength normal and lightweight concrete 

    Edward C. Vincent; Bradley D. Townsend; Weyers, Richard E. (Virginia Center for Transportation Innovation and Research, 2004-05-01), VTRC 04-CR8
    In addition to immediate elastic deformations, concrete undergoes time-dependent deformations that must be considered in design. Creep is defined as the time-dependent deformation resulting from a sustained stress. Shrinkage ...

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