1–20 von 290 Ergebnissen
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    Wreck on the Highway: Intersectionality of Driver Culpability, Tetrahydrocannabinols, Other Intoxicants and Fatalities in Washington State

    Woo, Youngki / Willits, Dale W. / Stohr, Mary K. et al. | Transportation Research Record | 2019

    Given the legalization of recreational cannabis in 2012 in Washington State and recent mixed results regarding the effects of cannabis

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    Wetting Characteristics of Asphalt Binders at Mixing Temperatures

    Osmari, Patricia Hennig / Arega, Zelalem / Bhasin, Amit | Transportation Research Record | 2019
    compared with hot-mix asphalt. Workability at these reduced temperatures typically is achieved by the use of chemical additives in the asphalt ...

    Weibull Model for Rutting Prediction of Warm-Mix Asphalt Agents: Using Hamburg Wheel-Tracking Device Results

    Mendez Larrain, Matias M. / Tarefder, Rafiqul A. | Transportation Research Record | 2016
    rutting behavior of asphalt concrete. Five mixtures were collected in New Mexico with the same mixture design. Mixtures differed only in the ...

    Utilizing Nano Silica to Reduce Calcium Oxychloride Formation in Cementitious Materials

    Westbrook, Mallory A. / Ghantous, Rita M. / Weiss, W. Jason et al. | Transportation Research Record | 2022

    This paper examines the use of two nano silica (NS) materials as an additive that can reduce the susceptibility of concrete to deicing

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    Using Suction and Dielectric Measurements as Performance Indicators for Aggregate Base Materials

    Scullion, Tom / Saarenketo, Timo | Transportation Research Record | 1997

    A simple laboratory test for evaluating unstabilized granular base material is introduced. The test consists of monitoring the capillary

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    Using Polyacrylamide Grouts for Permeability Control in Sand

    Khedr, Safwan A. / Ahmed, Mohamed Salah | Transportation Research Record | 1996

    Chemical grouting of permeable soils with highly concentrated low-molecular-weight polymeric solutions greatly reduces the permeability

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    Use of the Iron Chloride Type of Lewis Acid Catalyst in High Reclaimed Asphalt Pavement Content Asphalt Mixtures

    Elnaml, Ibrahim / Liu, Jun / Mohammad, Louay N. et al. | Transportation Research Record | 2023

    The use of reclaimed asphalt pavement (RAP) as a partial replacement for virgin aggregates and asphalt binders has received considerable

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    Use of Tank Bottom Sludge to Construct and Upgrade Unpaved Roads

    Taha, Ramzi / Hassan, Hossam / Al-Rawas, Amer et al. | Transportation Research Record | 2007

    Tank bottoms are the liquids and residue, such as heavy hydrocarbons, solids, sands, and emulsions, that collect at the bottom of the

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    Use of Regional Transportation Planning Tool for Modeling Emergency Evacuation: Case Study of Northern New Jersey

    Ozbay, Kaan / Yazici, M. Anil / Iyer, Shrisan et al. | Transportation Research Record | 2012

    Evacuation modeling and analysis are concerned primarily with identifying the types of traffic movements associated with a disaster

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    Use of Real-Time Dust Monitoring and Surface Condition to Evaluate Success of Unpaved Road Treatments

    Kunz, Bethany K. / Green, Nicholas S. / Albers, Janice L. et al. | Transportation Research Record | 2018
    of real-time dust monitoring and objective road condition evaluations to assess the success of two chemical treatments for a period of 19 ...

    Use of Random Forest to Predict Intermediate Temperature SCB Jc Parameter of Long-Term Aged Asphalt Mixtures

    Ma, Ye / Liu, Jun / Mohammad, Louay N. et al. | Transportation Research Record | 2023
    (LTA) asphalt specimens from volumetric properties of plant-produced asphalt mixtures, and rheological and chemical properties of unaged ...

    Use of Calorimetry to Measure Ice-Melting Capacity

    Nilssen, Kine / Klein-Paste, Alex / Wåhlin, Johan et al. | Transportation Research Record | 2017

    The ability to melt snow and ice is an important feature of any deicing chemical or product. This ability is called the “melting

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    Use of Ash in Low-Volume Road Construction in South Africa

    Heath, Andrew / Theyse, Hechter / Lea, Jeremy | Transportation Research Record | 1999

    Sasol Chemical Industries produces large quantities of coarse clinker and fly ash as a by-product of the coal gasification process at

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    Use of Ash in Hot Dense Mixtures

    Alternative to Reduce Environmental Liabilities
    Serrano-Guzmán, Maria Fernanda / Pérez-Ruiz, Diego Dario / Vanegas, Norma Cristina Solarte | Transportation Research Record | 2015
    disposal costs. An experimental study was undertaken to investigate the use of these ashes as a replacement for mineral filler in hot-mix asphalt ...

    Use of a Lithium-Bearing Admixture To Suppress Expansion in Concrete Due to Alkali-Silica Reaction

    Thomas, Michael D. A. / Stokes, David B. | Transportation Research Record | 1999
    mineral admixture as well as a chemical suppressant of alkali-silica reactivity. Laboratory testing included pore solution studies of pastes and ...

    Use of Accelerated Aging to Predict Behavior of Recycled Materials in Concrete Pavements: Physical and Environmental Comparison of Laboratory-Aged Samples with Field Pavements

    Taylor Eighmy, T. / Cook, Raymond A. / Gress, David L. et al. | Transportation Research Record | 2002
    were used to examine the pavement slab and the aged laboratory prisms. The aging protocol affected both physical and chemical properties of the ...

    Understanding the Sensitivity of Mixture Cracking Performance Tests to Binder Properties and Long-Term Aging

    Elwardany, Michael / Veginati, Varun / Andriescu, Adrian et al. | Transportation Research Record | 2023
    , chemical, rheological, and fracture properties were obtained from extracted binders to obtain a better understanding of the impact of binder ...

    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 ...

    Toward Fit-for-Purpose Certification of Road Additives

    Jones, D. | Transportation Research Record | 2003

    Chemical stabilizers and dust palliatives are widely used in road construction and maintenance to improve the characteristics and

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    Toward Establishment of Industry Associations to Represent Nontraditional Road Stabilizer Suppliers

    Jones, David | Transportation Research Record | 2011
    like largely overlooked. Although considerable experimentation on a variety of chemical additives has been carried out since the early 1900s ...