1–50 of 289 hits
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    Rheological and Chemical Characterization of Biobinders from Different Biomass Resources

    Dhasmana, Heena / Ozer, Hasan / Al-Qadi, Imad L. et al. | Transportation Research Record | 2019

    The increasing costs and strong worldwide demand for petroleum and the adverse environmental impact of the consumption of nonrenewable

     ...

    Influence of Chemical Constituents of Asphalt Binders on Their Rheological Properties

    Roja, K. Lakshmi / Masad, Eyad | Transportation Research Record | 2019

    The goal of this study is to investigate the chemical constituents and rheological properties of three different binders used in the

     ...

    Evaluation of Chemical Stabilization of a Highly Expansive Clayey Soil

    Mutaz, E. / Shamrani, Mosleh A. / Puppala, Anand J. et al. | Transportation Research Record | 2011

    Lime and cement are widely used in stabilization and improvement of the expansive subsoils that support pavement infrastructure. In this

     ...

    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

     ...

    Rapid Chemical Stabilization of Soft Clay Soils

    Rafalko, Susan D. / Filz, George M. / Brandon, Thomas L. et al. | Transportation Research Record | 2007

    Since World War II, the military has sought methods for rapid stabilization of weak soils for support of its missions worldwide. Over

     ...

    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 ...

    Influence of Aging Temperature on Rheological and Chemical Properties of Asphalt Binders

    Huang, Shin-Che / Grimes, Will | Transportation Research Record | 2010
    lengths of time. The chemical (infrared spectra) and rheological properties of these aged asphalts were compared. Results showed that the same PG ...

    Effect of Rejuvenators on Rheological, Chemical, and Aging Properties of Asphalt Binders Containing Recycled Binders

    Karki, Pravat / Zhou, Fujie | Transportation Research Record | 2016
    mixtures to reconstruct the chemical structures of oxidized RAP and RAS binders. However, the overall effects of rejuvenators on the properties of ...

    Rheological Behavior and Its Chemical Interpretation of Crumb Rubber Modified Asphalt Containing Warm-Mix Additives

    Wang, Haopeng / Liu, Xueyan / Apostolidis, Panos et al. | Transportation Research Record | 2018

    The microstructure and chemical composition of asphalt binders have a significant effect on their rheological properties and, therefore

     ...

    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 ...

    New Procedure for Selecting Chemical Treatments for Unpaved Roads

    Jones, David / Surdahl, Roger | Transportation Research Record | 2014

    There is increasing interest in the use of chemical treatments to reduce maintenance and gravel replacement on gravel roads. However

     ...

    Mechanical-Chemical Characterization of the Effects of Type, Dosage, and Treatment Methods of Rejuvenators in Aged Bituminous Materials

    Nsengiyumva, Gabriel / Haghshenas, Hamzeh F. / Kim, Yong-Rak et al. | Transportation Research Record | 2020

    Proper use of rejuvenators can improve the properties and performance of aged asphalt mixtures; however, there is currently a lack of

     ...

    Development of Provisional Specification Language for Chemical Treatments for Unpaved Roads

    Jones, David | Transportation Research Record | 2015

    There is increasing interest in the use of chemical treatments to reduce maintenance and gravel replacement on gravel roads. However

     ...

    Performance-Based Testing of Chemical Stabilizers

    Petry, Thomas M. | Transportation Research Record | 1997

    Chemical stabilizing agents have been introduced that have performed in field applications to improve the behavior of earth materials

     ...

    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

     ...

    Fingerprinting of Chemical Admixtures in Fresh Portland Cement Concrete by Portable Infrared Spectrometer

    Yut, Iliya / Zofka, Adam | Transportation Research Record | 2012
    Construction Materials conducted at the University of Connecticut targets, among other objectives, the identification and quantification of chemical ...

    Improving Properties of Reclaimed Asphalt Pavement for Roadway Base Applications through Blending and Chemical Stabilization

    Bleakley, Albert M. / Cosentino, Paul J. | Transportation Research Record | 2013
    % or more limerock attained close-to-acceptable LBR and low levels of creep without any chemical stabilizer. Significant variability was noted ...

    New Method for Detecting Oil Contaminants in Asphalt Mixtures through Chemical Testing

    Ding, Yongjie / Huang, Baoshan / Shu, Xiang et al. | Transportation Research Record | 2019
    whose field crew reported spots of loose asphalt pavement and suspected the pavement surface was being contaminated with spills of petroleum ...

    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 ...

    Statistical Analysis of Long-Term Aging Parameters of Laboratory- and Field-Aged Asphalt Binders Considering Rheological and Chemical Properties

    Jitong, Ding / Jiwang, Jiang / Fujian, Ni et al. | Transportation Research Record | 2023
    of long-term aging protocols on critical rheological and chemical parameters in the laboratory and field by focusing on the evaluation of ...

    Evaluation of Chemical Modifiers and Stabilizers for Chemically Active Soils—Clays

    Petry, Thomas M. / Das, Braja | Transportation Research Record | 2001
    soils are chemically active and their behavior can be improved through the application of chemical agents, a multitude of these agents have been ...

    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

     ...

    Evaluation of Hexahydrated Magnesium Chloride Performance as Chemical Stabilizer of Granular Road Surfaces

    Thenoux, Guillermo / Vera, Sergio | Transportation Research Record | 2003

    The performance was evaluated of hexahydrated magnesium chloride (MgCl2·6H2O) as a chemical stabilizer of granular

     ...

    Effect of Sample Preparation on Chemical Composition and Morphology of Alkali–Silica Reaction Products

    Hanson, Karl F. / Van Dam, Thomas John / Peterson, Karl R. et al. | Transportation Research Record | 2003

    The chemical composition and morphology of alkali–silica reaction (ASR) products is of great importance in studying the reaction

     ...

    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

     ...

    Dust Control: Australasian Experiences with Various Chemical Additives

    Giummarra, George J. / Foley, Graham / Cropley, Stephen | Transportation Research Record | 1997
    of deterioration of the roadway. In October 1996, Australian Road Research Board Transport Research completed and published a study of ...

    Ranking of Four Chemical and Mechanical Stabilization Methods to Treat Low-Volume Road Subgrades in Texas

    Puppala, Anand J. / Wattanasanticharoen, Ekarin / Hoyos, Laureano R. | Transportation Research Record | 2003
    soil properties often result in the poor performance of pavement infrastructures, particularly those built for low-volume traffic conditions ...

    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 ...

    Effectiveness of Soy Methyl Ester-Polystyrene as a Concrete Protectant on Mitigating the Chemical Interaction between Cement Paste and Calcium Chloride

    He, Jialuo / Thway, Thiha / Farnam, Yaghoob | Transportation Research Record | 2022

    Concrete pavements and bridge decks suffer from severe deterioration caused by the application of chloride-based deicing salts (i.e

     ...

    Part 3: Cementitious, Chemical, and Mechanical Stabilization: Recommendations for Stabilization of High-Sulfate Soils in Texas

    Harris, Pat / von Holdt, Joré / Sebesta, Stephen et al. | Transportation Research Record | 2006

    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 ...

    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

     ...

    Evaluating Particulate Emissions from Jet Engines: Analysis of Chemical and Physical Characteristics and Potential Impacts on Coastal Environments and Human Health

    Boyle, Karleen A. | Transportation Research Record | 1996

      Evaluating Particulate Emissions from Jet Engines: Analysis of Chemical and Physical Characteristics and Potential Impacts on Coastal Environments and Human Health

      Boyle, Karleen A. | Transportation Research Record | 1996
      human health. Little is known about the particulate component of jet engine emissions. Baseline physical and chemical data on JEPs were obtained ...

    Impact of Water on Asphalt Aging

    Chemical Aging Kinetic Study
    Huang, Shin-Che / Glaser, Ron / Turner, Fred | Transportation Research Record | 2012

    Atmospheric pressure aging experiments were conducted to determine whether the presence of moisture during aging at a pavement service

     ...

    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

     ...

    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 ...

    Evaluation of Low-Temperature Cracking Performance of Warm-Mix Asphalt Mixtures

    Hill, Brian / Behnia, Behzad / Hakimzadeh, Salman et al. | Transportation Research Record | 2012
    mixture. The fracture energy results of the disk-shaped compact tension test showed that the chemical additives improved fracture energy in ...

    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

     ...

    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

     ...

    Effect of Mineral Fillers on the Oxidative Aging of Asphalt Binders

    Laboratory Study with Mastics
    Moraes, Raquel / Bahia, Hussein | Transportation Research Record | 2019

    Aging of asphalt binders is induced by chemical or physicochemical changes during production of pavement and throughout its service life

     ...

    Effect of the Use of a Polymeric Stabilizing Additive on Unconfined Compressive Strength of Soils

    Georgees, Romel N. / Hassan, Rayya A. / Evans, Robert P. et al. | Transportation Research Record | 2015

    In Australia, the mechanical and chemical stabilization of pavement materials has been under way for more than 30 years. Recently, new

     ...

    Investigation of Sterol Chemistry to Retard the Aging of Asphalt Binders

    Reinke, Gerald / Baumgardner, Gaylon / Hanz, Andrew et al. | Transportation Research Record | 2017
    -temperature performance grades, and as rejuvenators. Given the aging mechanism of bitumen and chemical changes that occur during aging, it is unlikely ...

    Kinetic Viscoelasticity of Crosslinking Epoxy Asphalt

    Apostolidis, Panos / Liu, Xueyan / van de Ven, Martin et al. | Transportation Research Record | 2019
    mechanical properties of epoxy asphalt binders during the thermo-irreversible process of chemical hardening. For this purpose, a constitutive model ...

    Evaluation of Recementation Reactivity of Recycled Concrete Aggregate Fines

    Kim, Jinyoung / Nam, BooHyun / Behring, Zachary et al. | Transportation Research Record | 2014
    compared with that of ordinary cement paste specimens. The microstructural and chemical composition analyses also indicated that the recementation ...

    Exploration of Curing Characteristics of Epoxy-Modified Asphalt

    Dongre, Raj / Andriescu, Adrian / Elwardany, Michael et al. | Transportation Research Record | 2023

    A study was conducted on epoxy-modified asphalt (EMA) diluted with two binders of a different chemical structure, to understand the

     ...

    Influence of Additions of Anatase TiO2 Nanoparticles on Early-Age Properties of Cement-Based Materials

    Jayapalan, Amal R. / Lee, Bo Yeon / Fredrich, Sarah M. et al. | Transportation Research Record | 2010
    calorimetry and measurements of chemical shrinkage. On the basis of accelerations in hydration observed in TiO2 portland cements ...

    Tribological Evaluation for an In-Depth Understanding of Improved Workability of Foamed Asphalt

    Bairgi, Biswajit K. / Mannan, Umme A. / Tarefder, Rafiqul A. | Transportation Research Record | 2019
    rheological and chemical properties. Test results show that the foaming process alters the frictional resistance of the foamed asphalts; specifically ...

    Impact of State of Charge and Cell Arrangement on Thermal Runaway Propagation in Lithium Ion Battery Cell Arrays

    Lee, Christopher / Said, Ahmed O. / Stoliarov, Stanislav I. | Transportation Research Record | 2019

    Lithium ion batteries are increasingly used in electrical energy storage systems despite their thermal and chemical hazards on failure

     ...

    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 ...