Journal of Highway and Transportation Research and Development (English Edition): Recent submissions
Now showing items 221-240 of 742
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Layered Decomposing Method for Dynamic Stability Controlling Criterion of Asphalt-Surface Course
(American Society of Civil Engineers, 2016)This paper proposes an equation to decompose the dynamic stability (DS) and its controlling criterion of an asphalt surface course into DS of the asphalt mixture layer. Wheel tracking tests are conducted on an asphalt ... -
Study on Positioning Technology of Mileage Piles Based on Multi-Sensor Information Fusion
(American Society of Civil Engineers, 2016)Mileage piles is an effective flag to pavement information positioning. However, the problems in positioning inaccuracies and error accumulation remain. By analyzing the primary errors in traditional mileage positioning, ... -
Mechanical Analysis of Asphalt Pavements with a Graded Crushed Stone Base under Dynamic Load
(American Society of Civil Engineers, 2016)Using a flexible asphalt pavement structure with a graded crushed stone base is an effective means to solve reflection cracking, which frequently occurs in the semi-rigid asphalt pavements in Xinjiang. Control indicators ... -
Study on Linear Expansion Performance of AR-SMA-13 Rubber Asphalt Mixture in Marshall Test
(American Society of Civil Engineers, 2016)The compaction degree of asphalt mixture directly affects the tensile or compressive strength of pavement, given that high elastic crumb rubber exists in asphalt rubber mixtures and the characteristics of asphalt rubber ... -
Influence of an Early-Strength Agent on the Frost Resistance of a Cement-Stabilized Material
(American Society of Civil Engineers, 2016)The influence of an early-strength agent on the frost resistance of a cement-stabilized macadam material used in road engineering was explored by mixing 5% cement into the cement mixture in accordance with the engineering ... -
Design of a Rut-Resistant Asphalt Mixture Using the Simplified Multilevel Mixing Method
(American Society of Civil Engineers, 2016)The multilevel mixing method for aggregate gradation design was optimized based on the division of the functions of coarse and fine aggregates. The mixing procedures were simplified. The mixing process for fine aggregates ... -
Research on Silty Soil Capillary Water Rising in Yellow River Flooded Area of Eastern Henan
(American Society of Civil Engineers, 2016)Numerical simulations and laboratory tests on soil samples with compaction degrees of 94%, 96%, and 98% are carried out to study the laws of capillary water rising and control techniques. The silty soil samples are obtained ... -
Study of Pore Volume Fractal Dimension for Different Air Content Cement Mortar
(American Society of Civil Engineers, 2016)The pore structure parameter of cement mortar with different air contents was tested through Automatic Mercury Porosimeter and Air Void Analysis of Hardened Concrete. A fractal model based on the thermodynamic method was ... -
Analysis of Structural Types and Mechanical Performance of Steel–Concrete Connections without Cells
(American Society of Civil Engineers, 2016)Steel–concrete connections, as key components of hybrid bridges, present a complex structural type and mechanical behavior. On the basis of the steel–concrete connections in the Lichuan Bridge, a numerical analysis was ... -
Optimization of Deceleration Markings of Visual Illusion in a Highway Tunnel
(American Society of Civil Engineers, 2016)In order to improve the deceleration effect in the highway tunnel, the design method of visual information with high and low frequency combined is proposed. Using 3ds Max software design driving video and illusion combination ... -
Traffic Safety Evaluation Method for Highways Based on Improved Grey Correlation–Combination Weighting Method
(American Society of Civil Engineers, 2016)In order to solve the haphazard and limitations caused by single weighting in highway traffic safety evaluation methods, considering the aspects of road alignment, road conditions, safety facilities, and traffic environment, ... -
A Method for Constructing Reliability Target Load Spectrum of Taxi Customers
(American Society of Civil Engineers, 2016)A method for constructing load spectrum based on typical working condition data acquisition and velocity distribution is presented to improve the authenticity and effectiveness of customer reliability target load spectrum. ... -
Analysis of Pedestrian Crossing Speed in Unsignalized Controlled Sections
(American Society of Civil Engineers, 2016)The data sample of pedestrian crossing speeds on five pedestrian crosswalks in Zhenjiang is collected to analyze the average crossing speed of pedestrians in unsignalized controlled sections. The average speed of each type ... -
Parking Fees: A Key to the Success of Proposed Park and Ride
(American Society of Civil Engineers, 2016)As a measure of total demand management, park and ride (P&R) has been widely used in Europe and North America and has been proved to be successful in mitigating congestion and difficulty of finding parking space in ... -
A Method of Optimizing the Work Schedule of Bus Drivers Based on Set Covering Theory
(American Society of Civil Engineers, 2016)A work schedule optimization model of a bus route is proposed to minimize labor cost by optimizing the work schedule of bus drivers. The mathematical model is constructed using set covering theory to minimize the number ... -
Research on Fog-and-Haze Purification Technology for Highways
(American Society of Civil Engineers, 2016)A fog-and-haze purification technology for highways is proposed by analyzing the causes and characteristics of fog and haze and by combining the ground and underground facilities on the highway with a dehumidification and ... -
Causes of Shallow Landslides of Expansive Soil Slopes
(American Society of Civil Engineers, 2017)Shallow landslides often occur in the vast majority of expansive soil cutting slopes during or after rainfall, resulting in newly-built highway traffic disruption, ecological environment destruction along roads, and high ... -
Fracture Theory and Crack Propagation Test of Asphalt Mixture Pre-Notched Beam Based on Weight Function Method
(American Society of Civil Engineers, 2017)To investigate the stress state and crack propagation of asphalt surface course bottom, the weight function of a rectangular plate with a single edge crack is derived based on weight function method. The I-II mixed-mode ... -
Multi-Feature Fusion and Visualization of Pavement Distress Images Based on Manifold Learning
(American Society of Civil Engineers, 2017)For multi-feature fusion in automatic recognition of pavement distress images, we proposed a multi-feature fusion method based on manifold learning. In this method, the intrinsic features of pavement distress images are ... -
Shaking Table Model Test of Slope Seismic Dynamic Response
(American Society of Civil Engineers, 2017)The dynamic responses of different slope types are analyzed using the shaking table model test to study the influences of slope position and ground motion parameters on the dynamic response of acceleration. The influences ...