Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 3241-3260 of 4147
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Evaluation of Traffic Markings in Cold Regions
(American Society of Civil Engineers, 1998)This paper summarizes a research project that evaluated the performance of traffic marking materials used in Alaska and other northwestern states. This study was conducted by reviewing existing reports, past studies, and ... -
Numerical Simulation of Freeway Traffic Flow
(American Society of Civil Engineers, 1997)A new high-order continuum model is presented in this paper. This high-order model exhibits smooth solutions rather than discontinuities, is able to describe the amplification of small disturbances on heavy traffic, and ... -
Graphical Solutions for Back-Calculation of Rigid Pavement Parameters
(American Society of Civil Engineers, 1998)This technical note presents the graphical version of the solutions of a closed-form back-calculation algorithm for two-layer rigid pavements. The development of the graphs and the theoretical basis for the choice of ... -
Back-Calculation of Parameters for Slab on Two-Layer Foundation System
(American Society of Civil Engineers, 1997)Most highway and airport rigid pavements constructed today consist of a subbase layer, giving rise to a system of a concrete slab supported on a two-layer foundation. This paper makes use of the solution of a slab on a ... -
Viscoelastic Behavior of Asphalt Concrete in Diametral Compression
(American Society of Civil Engineers, 1997)A viscoelastic solution of the diametral compression of short cylinders has recently been presented by Zhang et al. The solution is based on Hondros's elastic solution and applies to any load history. In this paper, the ... -
Load Transfer Analyses of Buried Pipe in Different Backfills
(American Society of Civil Engineers, 1997)Nonlinear finite-element analyses have been carried out to assess the effects of different trench backfill materials, pipe burial depths, and pipe materials on the amount of traffic load transferred to buried pipe. The ... -
Use of Pyrolyzed Carbon Black as Additive in Hot Mix Asphalt
(American Society of Civil Engineers, 1997)This paper deals with the performance of mixtures of asphalt, pyrolyzed carbon black (CB -
Aid to Determining Freeway Metering Rates and Detecting Loop Errors
(American Society of Civil Engineers, 1997)A recent freeway congestion prediction study for the Washington Department of Transportation (WSDOT) found that the sum of storage rates over time, Sum -
Operational Benefits of Electronic Toll Collection: Case Study
(American Society of Civil Engineers, 1997)This paper reports the improvements in traffic operations at the electronic toll collection plazas of the Orlando-Orange County Expressway Authority. Service time, vehicle arrival times, and departure times, as well as ... -
Estimating Magnitude and Duration of Incident Delays
(American Society of Civil Engineers, 1997)Traffic congestion is a major operational problem on urban freeways. In the case of recurring congestion, travelers can plan their trips according to the expected occurrence and severity of recurring congestion. However, ... -
BOOK REVIEWS
(American Society of Civil Engineers, 1997) -
Evaluation of Crack Propagation Properties of Asphalt Mixtures
(American Society of Civil Engineers, 1997)Current failure criteria of asphalt pavements are either empirical or assume linear elastic material response and use a single load level to relate the number of load repetitions to fatigue failure. To better understand ... -
Relative Effectiveness of Road Dust Suppressants
(American Society of Civil Engineers, 1997)The relative effectiveness of commercially available road dust suppressants in abating fugitive dust emission and loss of fines from unpaved road surfaces was assessed in a field-based research project. The dust suppressants ... -
Performance Study of Portland Cement Concrete Pavement Joint Sealants
(American Society of Civil Engineers, 1997)The objective of this research project is to determine the service lives of three different types of joint sealants—polyvinylchloride (PVC)-coal tar, rubberized asphalt, and silicone—and to recommend maintenance strategies ... -
Pavement Analysis for Moving Aircraft Load
(American Society of Civil Engineers, 1997)A finite-element analysis was conducted of flexible pavement test sections subjected to a moving aircraft tire. The test sections failed primarily as a result of shear in the base course. Excavation of the test sections ... -
Decision Framework for Pavement Friction Management of Airport Runways
(American Society of Civil Engineers, 1997)Periodic rubber removal from runway pavement surface is necessary to keep an airport runway safe for aircraft operations. However, due to the complex relationship between pavement friction and aircraft skidding, there are ... -
Coping with Construction in Operational Airports: SFIA Case Study
(American Society of Civil Engineers, 1997)Renovation projects are characterized by their complexity, especially when they interfere with a facility's ongoing operations. These operations constrain the performance of construction in a number of ways, including ... -
Deflection Response Models for Cracked Rigid Pavements
(American Society of Civil Engineers, 1997)The static elastic layer model is customarily used for analyzing deflection measurements and back-calculating pavement layer moduli. Estimation of in-situ layer moduli by means of a mechanistically based iterative technique ... -
Drainability Characteristics of Granular Pavement Base Material
(American Society of Civil Engineers, 1997)A study was undertaken to determine the drainability characteristics of several types of unbound granular materials that are used in pavement bases. From the literature, testing concerns were identified and analyzed. ... -
Computer Simulations of Roadside Crash Cushion Impacts
(American Society of Civil Engineers, 1997)This paper presents the results of finite element computer simulations of vehicular impacts with a roadside crash cushion. DYNA3D is used to model the energy-dissipating response of the Narrow Connecticut Impact Attenuation ...