1–50 von 289 Ergebnissen
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    Adjustment of Regional Regression Equations for Urban Storm-Runoff Quality Using At-Site Data

    Barks, C. Shane | Transportation Research Record | 2019
    . The four adjustment procedures are a single-factor adjustment, a regression of the observed data against the predicted values, a regression of ...

    Aggregate Polishing Resistance Pre-Evaluation

    Crouch, L. K. / Shirley, Greg / Head, Gary et al. | Transportation Research Record | 1996
    and chemical or mineralogical methods are only able to identify clearly aggregates with a high probability of performing well. There is little ...

    Alternative Approach toward the Aging of Asphalt Binder

    Hofko, Bernhard / Handle, Florian / Eberhardsteiner, Lukas et al. | Transportation Research Record | 2019
    mechanical properties of asphalt binder and asphalt mixes. Through extensive chemical and mechanical analyses, a new model was developed to explain ...

    Analysis of Asphalt Oxidation by Means of Accelerated Testing and Environmental Conditions

    Villegas-Villegas, Rafael E. / Baldi-Sevilla, Alejandra / Aguiar-Moya, José Pablo et al. | Transportation Research Record | 2018

    The chemical changes that occur to asphalt with oxidation include an increase in oxygen content, as well as the unsaturation of the

     ...

    Antiterrorism Security and Surface Transportation Systems: Review of Case Studies and Current Tactics

    Fink, Camille N. Y. | Transportation Research Record | 2003
    as gaps in security systems. Systems in London and Paris have experienced bombing attacks. Tokyo was the site of a chemical attack ...

    Applicability of Superpave Binder Testing Protocols to Modified Binders

    Bahia, Hussain U. / Perdomo, Dario / Turner, Pamela | Transportation Research Record | 1997

    An effort is made to summarize current practices for modifying paving asphalts. The types and classes of modifiers used, or considered

     ...

    Application of Geotechnical Centrifuge Testing To Evaluate Unconventional Highway Materials

    De, Anirban / Zimmie, Thomas F. | Transportation Research Record | 1997

    The principles involved in using a geotechnical centrifuge to study long-term consolidation and seepage characteristics of an

     ...

    Application of Jetting Technology to Pavement Deicing

    Taggart, David G. / Ibrahim, Osama / Huston, Milton | Transportation Research Record | 2002
    suggest that the use of high-pressure jets in conjunction with improved chemical agents for pavement deicing may now be practical. In this study ...

    Applying Pavement Preservation Principles in Unpaved Road Management with Specific Reference to Fines Preservation and Dust Control

    Jones, David | Transportation Research Record | 2019
    maintenance expenditure can be significantly reduced. Research into the performance and benefits of using chemical treatments as part of unsealed road ...

    Aspects of Functional Analysis of Mitigated Wetlands Receiving Highway Runoff

    Yu, Shaw L. / Earles, T. Andrew / Fitch, G. Michael | Transportation Research Record | 1998
    common requirement of these federal storm water management provisions and state storm water regulations is the use of best-management practices ...

    Assessing the Quality of Soils Modified with Lime Kiln Dust

    Measuring Electrical Conductivity with Time Domain Reflectometry
    Daita, Radha Krishna / Drnevich, Vincent P. / Kim, Daehyeon et al. | Transportation Research Record | 2006
    expected to provide better understanding of the rate and extent of chemical reactions between chemical modifiers such as LKD and soil and be useful ...

    Assessment of Corrosion Potential of Coarse Backfill Aggregates for Mechanically Stabilized Earth Walls

    Thapalia, Anita / Borrok, David M. / Nazarian, Soheil et al. | Transportation Research Record | 2011

    The service life of mechanically stabilized earth walls depends on the rate of corrosion of the metallic reinforcements used in their

     ...

    Assessment of the Performance of Prewetted Salt for Snow Removal and Ice Control

    Burtwell, Marilyn | Transportation Research Record | 2001

    In the United Kingdom, the primary method of preventing ice from forming on road surfaces is to spread rock salt with purpose-built

     ...

    Assessment of the Potential for Salt Damage to Asphalt Surfacings when Chloride-Treated Unpaved Roads Are Upgraded to a Sealed Standard

    Jones, David | Transportation Research Record | 2019
    reduced gravel loss from, treated roads justifies the use of these chemical treatments as a cost-effective road maintenance and management ...

    Automatic Vehicle Location System in Urban Winter Maintenance Operations

    Roosevelt, Daniel S. / Hanson, Robert A. / Campenni, William M. | Transportation Research Record | 2001
    chemical-spreading activity. The installation is for a pilot test of an automatic vehicle location system that has continued over three winters ...

    Backcalculation Method to Determine Effective Asphalt Binder Properties of Recycled Asphalt Pavement Mixtures

    Bennert, Thomas / Dongré, Raj | Transportation Research Record | 2010
    mixtures without chemical extraction. In particular, new and innovative methods are required to determine how the addition of RAP influences ...

    Benefits of Porous Asphalt Overlay on Storm Water Quality

    Barrett, Michael E. / Shaw, Christopher B. | Transportation Research Record | 2007
    zinc (75%). The concentrations of chemical oxygen demand and total Kjeldahl nitrogen were initially lower in the runoff from the PFC but ...

    Blast Furnace Slag as Sustainable Material in Concrete Pavements

    Jahangirnejad, Shervin / Van Dam, Thomas / Morian, Dennis et al. | Transportation Research Record | 2013
    that the expected performance of the pavement over its design life is achieved. The chemical composition of ACBFS may affect its performance ...

    Blending Efficiency and Effective Styrene Butadiene Rubber Concentration of Micro-Surfacing Mixtures with Reclaimed Asphalt Pavement

    Wang, Anping / Shen, Shihui | Transportation Research Record | 2020
    systematic study has been conducted to analyze the chemical components of the RAP micro-surfacing mixture when blending virgin binder with RAP binder ...

    Can Chemical Modification of Paving Asphalts Be Equated to Polymer Modification?: A Laboratory Study

    Ajideh, Hossein / Rangel, Andres / Bahia, Hussain | Transportation Research Record | 2004

    Chemical modification of asphalt by acid has been known for quite some time. Chemically modified asphalts can extend the upper

     ...

    Can Soy Methyl Esters Improve Concrete Pavement Joint Durability?

    Golias, Michael / Castro, Javier / Peled, Alva et al. | Transportation Research Record | 2012
    damage or chemical degradation. This work examines the use of soy methyl ester–polystyrene (SME-PS) blends as a method to reduce the rate of ...

    Case Study on Using Warm Mix Asphalt at Reduced Production Temperatures for Balanced Mix Design

    Yin, Fan / Moore, Nathan / Chen, Chen et al. | Transportation Research Record | 2023

    This study provides a case study to illustrate the feasibility of using warm mix asphalt (WMA) at lower production temperatures to

     ...

    Characteristics of Snowmelt Runoff from Highways in the Tahoe Basin and Treatment Investigations for Improving Runoff Quality

    Kayhanian, Masoud / Regenmorter, Louis C. / Tsay, Kuen | Transportation Research Record | 2004

    To reduce the current trend of decreasing water clarity of Lake Tahoe, the California Regional Water Control Board's Lahontan Region

     ...

    Characteristics of Virgin and Recycled Asphalt Shingle Binder Blends

    Rheological and Chemical Properties
    Zhou, Fujie / Chen, Peiru / Huang, Shin-Che | Transportation Research Record | 2014

    Application of recycled asphalt shingles (RAS) into hot-mix asphalt have been well accepted by many transportation agencies in recent

     ...

    Characterization and Stabilization of Quarry Byproducts for Sustainable Pavement Applications

    Mwumvaneza, Vincent / Hou, Wenting / Ozer, Hasan et al. | Transportation Research Record | 2015

    Increased emphasis in the construction industry on sustainability and recycling requires production of aggregate gradations with lower

     ...

    Characterization of Asphalt Cements Modified with Crumb Rubber from Discarded Tires

    Daly, William H. / Negulescu, Ioan I. | Transportation Research Record | 1997
    of asphalt-rubber blends depend on the concentration of rubber additives, the particle sizes, and the chemical composition of the asphalt ...

    Characterization of Fracture in Asphaltic Mixes Based on a Molecular Approach

    Jacobs, Maarten M. J. / Hopman, Piet C. / Molenaar, André A. A. | Transportation Research Record | 1996
    of processes on the molecular level. Attention is given to the theoretical background of the ART and its application to describing the crack ...

    Characterization of Granular Systems by Digital Signal Processing of Low Strain Wave Response

    Romero, Salome / Pamukcu, Sibel | Transportation Research Record | 1996
    , ashes, and crumb rubber, are difficult because of chemical and physical inhomogeneity and inconsistency at the time of their production. The ...

    Characterization of Mellowing Process to Control Expansion in High-Sulfate-Bearing Soil

    Shon, Chang-Seon / Scullion, Tom / Blackmon, Wade et al. | Transportation Research Record | 2021
    strength and improve resistance to chemical attack, resulting in more durable roadway. The soluble sulfate phase contained in some soils, however ...

    Characterizing a Local Sewage Sludge Ash for Developing Alkali-Activated Geopolymer Mortar

    Alhassan, Ibrahim / Park, Junboum / Tang, Xiaochao | Transportation Research Record | 2023
    geopolymer mortar. Chemical and leaching analysis found no significant adverse environmental implications of the SSA. Strength activity index tests ...

    Chemical Additives for Dust Control: What We Have Used and What We Have Learned

    Bolander, Peter | Transportation Research Record | 1997

    The Pacific Northwest region of the USDA Forest Service has been using chemical additives for dust abatement for many years. The

     ...

    Chemical and Rheological Characteristics of Styrene-Butadiene-Styrene Polymer-Modified Bitumens

    Lu, Xiaohu / Isacsson, Ulf | Transportation Research Record | 1999
    chemical methods. The results showed that morphology of the modified binders was influenced by bitumen composition and polymer content. Polymer ...

    Chemical and Rheological Characterization of Asphalt Binders: A Comparison of Asphalt Binder Aging and Asphalt Mixture Aging

    Barghabany, Peyman / Zhang, Jun / Mohammad, Louay N. et al. | Transportation Research Record | 2022

    The objective of this study was to compare the chemical and rheological properties of asphalt binders recovered from aged asphalt

     ...

    Chemical and Rheological Properties of Bitumen Partially Substituted with Rice-Straw-Based Lignin from Bio-Ethanol Industry Residue

    Andiyappan, Thavamani / Banapuram, Rahul Reddy / Minchala, Divakar et al. | Transportation Research Record | 2024

    The objective of this study is to evaluate the changes in the chemical and rheological properties of bitumen when partially substituted

     ...

    Chemical Approach to Formation of Calcite Precipitate from Recycled Concrete Aggregate Base Layers

    Bruinsma, James E. / Peterson, Karl R. / Snyder, Mark B. | Transportation Research Record | 1997
    is explored using chemical thermodynamic techniques. Ion activities and pH levels are estimated for the equilibrium states of rainwater ...

    Chemical Frost Protection of Road Surfaces: A Laboratory Investigation

    Fjærestad, Janne Siren / Klein-Paste, Alex / Wåhlin, Johan | Transportation Research Record | 2020

    Anti-icing chemicals are commonly used to protect against hoar frost formation on roadways and bridges. Because of their negative impact

     ...

    Chemical Melting of Ice: Effect of Solution Freezing Point on the Melting Rate

    Wåhlin, Johan / Klein-Paste, Alex | Transportation Research Record | 2016
    difference between ice and solution—affects the chemical melting rate of ice. In this study, the driving force was represented by the solution ...

    Chemical, Microstructural, and Rheological Characterizations of Binders to Evaluate Aging and Rejuvenation

    Osmari, Patrícia Hennig / Aragão, Francisco Thiago Sacramento / Leite, Leni Figueiredo Mathias et al. | Transportation Research Record | 2017
    such as area fraction and spatial and size distributions of the binder constituents. Finally, the following chemical tests were performed to ...

    Chemo-Rheological Study of Hardening of Epoxy Modified Bituminous Binders with the Finite Element Method

    Apostolidis, P. / Liu, X. / Kasbergen, C. et al. | Transportation Research Record | 2018

    The chemical irreversible hardening of epoxy modified bitumen is affected by various physical factors and the successful application of

     ...

    Chromatic and Rheological Characteristics of Clear Road Binders

    Merusi, Filippo / Giuliani, Felice | Transportation Research Record | 2012
    evaluated three clear binders with different chemical formulations with the aim of establishing the effectiveness of their mechanical properties and ...

    Comparative Field Performance of Asphalts from Multiple Crude Oil Sources

    Harnsberger, P. Michael / Farrar, Michael J. / Huang, Shin-Che et al. | Transportation Research Record | 2011
    from different crude oil sources and blends were used to build sections of pavement about three-quarters of a mile long. All other variables ...

    Comparative Performance of Different Warm Mix Asphalt Technologies under the Influence of High Aircraft Tire Pressure and Temperature

    Garg, Navneet / Kazmee, Hasan / Ricalde, Lia | Transportation Research Record | 2021
    Cycle 1 (TC-1) to study the application potential of WMA (using chemical additive) on airport pavements. TC-1 results showed WMA performance was ...

    Comparison of the Relative Long-Term Field Performance among Various Warm Mix Asphalt (WMA) Pavements

    Zhang, Weiguang / Shen, Shihui / Wu, Shenghua | Transportation Research Record | 2018
    pavement sections showed statistically higher amounts of cracking than the chemical and foaming sections. Based on the laboratory testing results ...

    Comprehensive Selection of Base Asphalt Binders for Effective Formulation of Polymer-Modified Asphalts

    Kumbargeri, Yogesh / Planche, Jean-Pascal / Adams, Jeramie J. et al. | Transportation Research Record | 2024
    -depth physical, chemical, rheological, and microstructure characterization of base (neat/unmodified) and corresponding PMA binders to understand ...

    Condition Assessment of Buried Metal-Tensioned Elements

    Fishman, K. L. / Gaus, M. P. / Withiam, J. L. et al. | Transportation Research Record | 2002
    environment relative to corrosion in terms of results from chemical analysis of native soil samples. Results from NDT correlated well with features of ...

    Control of Highway Stormwater during Event and Interevent Retention in Best Management Practices

    Liu, Bo / Berretta, Christian / Gnecco, Ilaria et al. | Transportation Research Record | 2009
    incorporating adsorptive filters. This study examines the hydraulic and chemical response of a volumetric clarifying filter (VCF) system to 1,088 ...

    Cooperative Problem Solving in Environmental Protection on the Inland Waterways

    Wischmann, Steven M. | Transportation Research Record | 1998
    to the inland transportation community because of its substantial participation in the transport of oil and chemical commodities. All of the ...

    Deicing Chemicals as Source of Constituents of Highway Runoff

    Granato, Gregory E. | Transportation Research Record | 2019
    of deicing chemicals in highway runoff may account for a substantial source of annual chemical loads. Comparison of estimated annual loads ...

    Demonstration Project for Ground Tire Rubber and Post-Consumer Recycled Plastic-Modified Asphalt Mixtures

    Rath, Punyaslok / Meister, James / Arteaga-Larios, Fabricio et al. | Transportation Research Record | 2022

    Research has demonstrated that asphalt pavements can be a strategic destination for some of the major streams of waste materials around

     ...

    Detection of Coal Tar Materials in Asphalt Pavements by Using Chemical and Biological Methods

    Blackburn, Gary R. / Kriech, Anthony J. / Kurek, Joseph T. et al. | Transportation Research Record | 1999
    city of Copenhagen were examined. It was found that there are clear chemical marker compounds and tests that can determine the presence of coal ...