Journal of Highway and Transportation Research and Development (English Edition): Recent submissions
Now showing items 521-540 of 742
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Experimental Study on Shear-bearing Bearing Capacity of Stud Connectors within Tension Concrete
(American Society of Civil Engineers, 2008)Shear-bearing bearing capacity of stud within negative moment region of continuous steel-concrete composite beams was studied. Based on 3 factors of stud diameter and concrete intensity and steel fiber, orthogonal pull-off ... -
Optimum Analysis of Main Girder with Box Cross-section Used in Cable-stayed Bridge
(American Society of Civil Engineers, 2008)By using the structural analysis program ANSYS, finite element models are established based on box girder with different thickness of the bottom slab and thickness of the inclined web and inclination of the inclined web ... -
Research on Fatigue Reliability of Cables of Partially Cable-stayed Bridge under Vehicle Load
(American Society of Civil Engineers, 2008)The tolerated stress of static strength has not been provided in domestic code for design of highway cable-stayed bridges. In order to quantify the fatigue reliability of stay cable on partially cable-stayed bridge under ... -
Effect on Slab Corner Deflection of Cement Concrete Pavement Due to Measurement Point Offset and Its Correction
(American Society of Civil Engineers, 2008)In order to analyze the difference resulting from measurement point offset in the course of deflection measurements, the effect of measurement point offset on the deflection results was discussed by using two general ... -
Calculation and Application of the Retardation Time Spectra of Asphalt
(American Society of Civil Engineers, 2008)Based on the static creep test and dynamic test of three kinds of asphalt, the creep compliance curves and dynamic compliance curves were obtained, and the viscoelastic properties of asphalt were analyzed. lt is well known ... -
Modification of Full Asphalt Content AC Designing Method
(American Society of Civil Engineers, 2008)Some key problems of Full Asphalt Content AC (FAC) designing method and improvement measures were undertaken. First, reasons of difference between actual -
Analysis of Asphalt Pavement Rut Based on Elastic-viscoplastic Theory
(American Society of Civil Engineers, 2008)The elastic-viscoplastic theory was applied to research the permanent deformation of asphalt mixture, and a creep model was adopted for its good agreement with actual result. ABAQUS, the finite element modeling technique, ... -
Research on Propagation and Fatigue Life of Asphalt Pavement Surface Crack
(American Society of Civil Engineers, 2008)Focusing on the severity of asphalt pavement surface crack, a finite element analysis model of 20-node isoparametric elements was established with the commerce FEM software ABAQUS based on fracture mechanics theory. The ... -
Research on the Rheologic Characteristics of Gilsonite Modified Bitumen
(American Society of Civil Engineers, 2008)Aiming at rheologic characteristics of gilsonite modified bitumen, the gilsonite performances of various kind and dosage were compared and analyzed with PG appraisal system through DSR, BBR and Brookfield revolving viscosity ... -
Analysis of Dynamic Responses of Deck Pavements for Long-span Steel Box Girder Bridge
(American Society of Civil Engineers, 2008)Aiming at the common damages of steel bridge deck pavement, such as pushing, slippage, cracking, etc., dynamic characteristic and shapes of traffic loads were analyzed. By simulating wheel loads as moving dead loads, dynamic ... -
Effects of Material Design Parameters on Mechanical States of Bridge Deck Pavement
(American Society of Civil Engineers, 2008)Bridge deck pavement is suffered from more complicated stresses than ordinary pavement, and mechanical states of the paving layers are influenced by material design parameters. After mechanical computation, the effects of ... -
Study on the Method of Traffic Status Change Time on Urban Expressway
(American Society of Civil Engineers, 2007)A method of defining traffic status change time on urban expressway was studied. Traffic situation on the expressway was analyzed under two states: congestion and non-congestion. In accordance with the traffic flow parameter ... -
A Method for Testing the Characteristics of Variation in Moisture Content of Subgrade Soil
(American Society of Civil Engineers, 2008)A new method of testing for the characteristics of variation in moisture content of subgrade soil was presented. It is of great significance to test the variation in moisture content of subgrade soil, since moisture content ... -
The Effect on Stability of Slope under Drawdown Conditions
(American Society of Civil Engineers, 2008)The program of PLAXIS was adopted to analyze the slope stability. The ideal elastic-plastic model and the yield criterion of Mohr-Coulomb theory were simulated numerically for the realistic project. The drainage condition ... -
Experimental Research on Lateral Restricted Swelling Strain of Expansive Soil
(American Society of Civil Engineers, 2008)Mechanical and deformation characters of expansive soil specimens subjected to lateral restricted loaded experiment were analyzed by related theory of elastic mechanics. A formula for calculating swelling coefficient of ... -
Study on Thick-lift Base Material and Seed Spraying for Side Slope Engineering Protection
(American Society of Civil Engineers, 2007)The arid half arid area highway roadbed slope vegetation restoration is a challenge. The concept, the principle, the material composition and the construction craft of the thick-lift base material and seed spraying for the ... -
Analysis of Car Impact Signal Based on Wavelet Transform Theory
(American Society of Civil Engineers, 2007)Nonlinear and non-stability car impact signal processing method was studied, and time-frequency for multi-resolution was analyzed. The resolution “auto-zoom” was analyzed and time-frequency was allocated for complex ... -
Explicit Non-linear Numerical Analysis of Dynamic Compaction
(American Society of Civil Engineers, 2008)Dynamic compaction is an efficient ground improvement technique. The collision process of dynamic compaction (DC) was studied using nonlinear explicit dynamic finite element. In this study many characters were taken into ... -
Research on Vehicle Dimensional Measurement Based on Machine Vision
(American Society of Civil Engineers, 2007)To present a measurement system of vehicle-body dimensions based on machine vision with the application of technique of color segmentation based on color image. The construction of the system, the measurement principle and ... -
Damage Identification of Continuous Girder Bridge’s Dynamic Behavior Based on Trust Region Algorithm
(American Society of Civil Engineers, 2007)In view of trust region algorithm has good global convergence for solving non-linear quadratic programming problem, the effective elastic module’s damage factor and the damage distributed function was introduced by FEM ...