Journal of Highway and Transportation Research and Development (English Edition): Recent submissions
Now showing items 281-300 of 742
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Analysis of the Rollover Crash Worthiness of the Bus Body Structure Based on ECE R66 Regulation
(American Society of Civil Engineers, 2015)Given that dynamic test data are difficult to obtain and relevant test results are always unstable, this study examines the rollover crash worthiness of a 6756-type bus. The finite element model and numerical simulation ... -
Optimal Timing Model Based on Dynamic Control of Traffic Flow at Intersections
(American Society of Civil Engineers, 2015)Signal control of urban, intersections still mainly employs single-point fixed phase, and optimal timing methods cannot optimize traffic given the altering state of traffic flow. To address these issues, the phase of optimal ... -
Classification of Rocks Surrounding a Tunnel Based on Factor Analysis and Fisher Discriminant Analysis
(American Society of Civil Engineers, 2015)To forecast the tunnel surrounding rock category quickly and effectively and to enhance the stability of underground engineering and security, we apply theory of factor analysis and Fisher discriminant analysis. In addition, ... -
Correlative Analysis of Hydraulic Bushing of Suspension Control Arm and Full Vehicle Ride Comfort
(American Society of Civil Engineers, 2015)To analyze and compare the vehicle performance effects of hydraulic bushings with those of the traditional rubber bushings of double wishbone front suspensions, we test the static and dynamic properties of the hydraulic ... -
Mesoscopic Traffic Flow Model Considering Overtaking Requirements
(American Society of Civil Engineers, 2015)Overtaking probability formula in the Prigogine—Herman traffic flow mesoscopic model is the function of traffic density, which is a linear function and does not consider overtaking requirements. In this paper, we use desired ... -
Mechanical Analysis of Frost Heaving Damage of Closed Pore in Cement Mortar
(American Society of Civil Engineers, 2015)Based on the thermodynamic equilibrium principle and elastic mechanics theory, the mechanical calculation of borehole wall stress under ice-formation. pressure effect is carried out for the water saturation, condition of ... -
Multiobjective Optimal Design of Vehicle Suspension Parameters Based on Reliable Gray Particle Swarm Optimization
(American Society of Civil Engineers, 2015)This study presents a multiobjective optimal design of automobile suspension systems to improve vehicle-ride comfort and reduce tire-induced dynamic excitations on road surface simultaneously. In the optimal model, spring ... -
Numerical Simulation of Load Bearing Capacity of Corroded Reinforced Concrete Beam after Cyclic Loading
(American Society of Civil Engineers, 2015)The numerical simulation analysis of the static load bearing capacity of a corroded reinforced concrete (RC) beam after being subjected several times to fatigue load is conducted using the ABAQUS software. Parameters, such ... -
Examining the Stationarity and Ergodicity of Traffic Flow on Highway Bridges
(American Society of Civil Engineers, 2015)According to the information of vehicles collected by weigh-in-motion (WIM) systems on 28 lanes of 6 highway bridges, stochastic processes of the type of traffic flow on each lane are generated respectively. Time means and ... -
Research on the Calculation Methods for the Carrying Capacity of the Cross Section of the Bending Member Reinforced with an Enlarged Section
(American Society of Civil Engineers, 2015)Regulations on relevant design specifications are comparatively analyzed to expediently calculate the carrying capacity of the cross section of the bending member of a bridge reinforced with an enlarged section. Five ... -
Game Analysis of Driving Behavior in Mixed Traffic
(American Society of Civil Engineers, 2015)A utility function of driving behavior for non-motor and motor vehicles is built based on dynamic reduplicate game theory to study the decision-making behavior of a driver for non-motor and motor vehicles in a mixed-traffic ... -
Bilevel Programming Model for City Logistics Distribution Optimization under Time Restriction Caused by Traffic Organization
(American Society of Civil Engineers, 2015)For the optimization of city logistics distribution under time restriction caused by traffic organization, a bilevel programming model considering the distribution cost, environment cost, and distribution time of enterprises ... -
Effect of Moisture Content and Fiber on the High-Temperature Properties of Tunnel Second Lining Concrete
(American Society of Civil Engineers, 2015)The critical moisture content of concrete with different fibers and the quality loss of different moisture contents are analyzed by simulating the real heating curve of the building material in a fire, and a fire test on ... -
Seismic Fragility Analysis of Landscape-Covered Bridge with Consideration of the Bridge–Building Interaction
(American Society of Civil Engineers, 2015)The seismic fragility analysis of a three-span landscape-covered bridge with a continuous rigid frame and a reinforced concrete frame structure is performed using traditional reliability theory. To assess the effect of the ... -
Modifying the Formula of the Ultimate Bearing Capacity of a Shallow Square Foundation
(American Society of Civil Engineers, 2015)The analytical solution for the ultimate bearing capacity of a shallow square foundation is studied. The characteristics of existing assumptions, the calculation method, and the yield criterion of the calculation method ... -
Discussion on the Application of Yielding Support Technology for Large Deformation of Soft-Rock Tunnel
(American Society of Civil Engineers, 2015)A new method for traffic tunnels with large deformations of soft rock is produced based on the research and development of a new yielding anchor and on the successful application of a large deformation tunnel to a coal ... -
Evaluating the Homogeneity of the Interval Quality of Asphalt Pavement Structure with X-Ray Computed Tomography
(American Society of Civil Engineers, 2015)The method that uses only a compaction degree indicator in the core specimens of asphalt pavement for evaluating construction quality cannot effectively reflect the volumetric property and inner structure of asphalt mixtures. ... -
Distribution Route Planning for Cold Chain Items under Variable Demand
(American Society of Civil Engineers, 2015)This paper discussed the planning and selection of an optimization model for distribution routing of cold chain items with variable customer demand. We established a distribution model of cold chain items to minimize the ... -
Investigation on Aggregate Adhesion Segmentation Method in an Asphalt Concrete Digital Image
(American Society of Civil Engineers, 2015)The processing method of asphalt mixture digital images was investigated on the basis of the gray – level distribution of asphalt concrete images. Some bond areas were found between different aggregates. The watershed ... -
Analysis on Molecular Kinetics for Traffic Flow Stability
(American Society of Civil Engineers, 2015)To prevent effectively the occurrence of traffic congestion and to reduce the traffic accident rate, traffic flow stability is analyzed by molecular kinetics based on the Lyapunov stability criterion, and a model is developed ...