Journal of Highway and Transportation Research and Development (English Edition): Recent submissions
Now showing items 301-320 of 742
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Long-Term Deflection Prediction and Correction of Creep and Shrinkage Model of High-Strength Concrete Based on Short-Term Measured Data for Bridge
(American Society of Civil Engineers, 2015)To investigate the laws of creep and shrinkage in high-strength, concrete for long-span prestressed continuous box-girder bridge and predict long-term deflection, strain sensors were embedded in the midspan of a box-girder ... -
Study on the Influential Factors in and the Optimization of Asphalt Mixture Scanning with X-Ray CT Technology
(American Society of Civil Engineers, 2015)The effects of sample size, aggregate lithology, and compaction pattern on image scanning quality were determined using 225 kV industrial computer tomography equipment. Moreover, the scanning parameters of common Marshall ... -
Research on Method for Determining ETC Channel Capacity and Service Level
(American Society of Civil Engineers, 2015)Although electronic toll collection (ETC) systems are widely used in China, domestic studies on the capacity of such systems remain insufficient. Most previous studies focus on the improvement of calculation methods for ... -
Joint Load-Transfer Prediction Model Considering Dowel-Bar Position Deviation in Rigid Pavements
(American Society of Civil Engineers, 2015)A double-layer structure model of pavements that considered interlayer contact status was established to manage the dowel-bar position deviation problem in rigid pavements. The deviation effect of three-dimensional positions, ... -
Performance Evaluation of Hard-Grade Paving Asphalt Mixture
(American Society of Civil Engineers, 2015)In this study, a hard-grade paving asphalt with a penetration, of -
Relaxation Modulus Model of Aged Asphalt Mixture
(American Society of Civil Engineers, 2015)The asphalt mixture, AC - 13 C, is aged in an oven for five different periods, and then, stress relaxation tests are conducted at -
Experimental Research and Analysis of the Shear Lag Effect of a Cantilever Concrete Box Girder under Double-Deck Uniform Loads
(American Society of Civil Engineers, 2015)The shear lag effect distribution, law of a single-box, three-room cantilever box girder under double-deck uniform loads is discussed through experimental research and analysis of the flexural behavior within the girder. ... -
A Pedestrian Detection Method Based on Hierarchical Tree Cascade Classification at Nighttime
(American Society of Civil Engineers, 2015)Illumination, for pedestrian detection at nighttime is weak, and detection is easily affected through variations in illumination. Thus, a bicharacteristic method of pedestrian detection at nighttime based on hierarchical ... -
Based on Energy-Variational Principle Derived Moment Amplified Coefficient of Tied Arch Rib
(American Society of Civil Engineers, 2015)The arch rib, tie beam, and rod of the tied arch are considered common forces. According to the characteristics of these forces, the calculation equation of the moment augment factor of the tied arch is derived. The equation ... -
Geometric Closure Control of the Main Channel Girder of Jiaxing-Shaoxing Bridge
(American Society of Civil Engineers, 2015)The main channel girder of Jiaxing-Shaoxing Bridge is the first six-tower, separate-deck, space four-cable-plane cable-stayed bridge in the world. The main bridge has seven closures, and the closure scheme is complex. ... -
Research on Conventional Performance of Modified Bio-Asphalt
(American Society of Civil Engineers, 2015)To study the regular properties of modified bio-asphalt, analytical and measuring methods, including softening point, penetration, and ductility tests, were employed to analyze the improvement of properties in different ... -
Mechanism of Seismic Damage and Enlightenment Seismic Design of Bridges Crossing Fault
(American Society of Civil Engineers, 2015)In this study, international cases of bridge damage are analyzed to bridges crossing fault (BCF). It is pointed out that bridge damage can be affected by fault type, the orientation of a bridge to a fault, and ground ... -
Review of Computational Models and Methods for Predicting Ultimate Capacity of Uplift Piles with Uniform Cross Section
(American Society of Civil Engineers, 2015)To improve the application of uplift piles, the calculation method for ultimate bearing capacity is analyzed to study the significant difference between the calculation and test values of bearing capacity. The computational ... -
Applying a Macroscopic Calibration to a Wiedemann Driver Behavior Threshold Study
(American Society of Civil Engineers, 2015)A speed - flow graph is used to calibrate Wiedemann 74 model parameters. A parameter calibration platform integrating VISSIM, Matlab, and ExcelVBA is built, which minimizes the differences between the measured values and ... -
Research on Twice-Prestressed Composite Beam and Its Application in Highway Bridges
(American Society of Civil Engineers, 2015)The concept, basic principle, and characteristics of twice-prestressed composite beam are introduced, and the mechanical performance, deformation performance, and creep stress redistribution of the horizontal interface of ... -
Research on the Character of Trinidad Lake Asphalt Ash
(American Society of Civil Engineers, 2015)To determine the modification mechanism of Trinidad Lake asphalt, ash was isolated for microscopic property testing, technical index analysis, and research on ash interaction with asphalt. Ash was compared with two types ... -
Numerical Analysis on the Splitting Test of Open-Graded Large Stone Asphalt Mixture Based on Discrete Element Method
(American Society of Civil Engineers, 2015)The deficiencies of analyzing and calculating asphalt mixture as a perfectly elastic body in the existing structural design theory of asphalt pavement were amended by numerically simulating the splitting (indirect tensile) ... -
Construction Control Techniques of Long-Span Steel Truss Arch Bridges
(American Society of Civil Engineers, 2015)With Wanzhou Yangtze River Bridge as an engineering example, FEM is applied to simulate the whole bridge construction process to optimize the truss member assembling sequences and determine the critical member bars that ... -
Cellular Automaton-Based Traffic Flow Simulation Model for Traffic Incidents
(American Society of Civil Engineers, 2015)Traffic incidents decrease the capacity of road segments and disturb normal traffic flow. Analyzing the evolution of traffic incident effects by building a simulation model for traffic incidents not only helps in better ... -
Long-Term Temperature Monitoring and Statistical Analysis on the Flat Steel-Box Girder of Sutong Bridge
(American Society of Civil Engineers, 2014)Using the flat steel-box girder of China’s Sutong Cable-stayed Bridge as a research object, its temperature field is long-term monitored and analyzed based on bridge’s structural health monitoring system. The temperature ...