Journal of Highway and Transportation Research and Development (English Edition): Recent submissions
Now showing items 701-720 of 742
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Simplified Dual Nonlinear Analysis Method of CFST Laced Structures
(American Society of Civil Engineers, 2011)Based on continuous assumption, laced CFST member can be simplified as a beam element. Stiffness of Timoshenko beam was adopted to calculate the equivalent solid member stiffness matrix of the laced structure, in which the ... -
Research of Dynamic Stress Concentration of Lined Cavities under Incident Plane SV Waves in Different Angles
(American Society of Civil Engineers, 2011)An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method. The infinite series was cut and calculated ... -
Simulation of Atmosphere Boundary Layer by Using Wedges and Rough Elements Technique
(American Society of Civil Engineers, 2011)Based on the technique that using wedges and roughness elements to simulate the atmospheric boundary layer, barriers acting as vortex generators were used to effectively increase turbulence intensity on top of wind tunnel. ... -
Predicting Deformations of Tunnel Surrounding Rock by Using Least Squares Support Vector Machine
(American Society of Civil Engineers, 2011)In order to overcome the disadvantages of high computational complexity and inconvenience when forecasting deformations of surrounding rock by using support vector machine of standard form (Vapnik SVM), a new deformation ... -
Analysis of Calculation Models of Anti-upward Moving for Shield Tunnel and Their Adaptability
(American Society of Civil Engineers, 2011)The upward-moving of shield tunnel during construction has brought about great concern. The reasons of shield tunnel upward-moving were analyzed and classified into six aspects, including buoyancy, axial eccentric force, ... -
Analysis of Mechanical Behavior in the Construction of Truss-stayed Bridge
(American Society of Civil Engineers, 2011)Cantilever installation is a commonly used method of construction in the superstructure construction of truss-stayed bridge. Considering construction safety, the mechanical behavior was analyzed for each phase of superstructure ... -
Integrated Optimization of Multiple Hubs Location and Mixed Network Design Based on Immune Clone Algorithm
(American Society of Civil Engineers, 2011)To express integrated optimization of multifile hubs location and mixed network design, a bi-level programming model was introduced for mathematical models. The upper-level programming problem is a multi-objective programming ... -
Selecting Emergency Evacuation Routes in Urban Dynamic Traffic Network
(American Society of Civil Engineers, 2013)We examined the selection of emergency evacuation routes in an urban traffic network with dynamic information. A method of selecting emergency evacuation routes was proposed based on the uncertainty characteristics of urban ... -
A Bi-level Programming Model for Multi-vehicle-type Freeway Continuous Equilibrium Network Design Problem
(American Society of Civil Engineers, 2013)A bi-level programming model for optimization of multi-vehicle-type freeway continuous equilibrium network design problem is presented to set up a scientific method for road section reconstruction or extension in freeway ... -
Influencing Factor of Hydrodynamic Pressure on Tire in Wet Weather Based on Fluent
(American Society of Civil Engineers, 2013)Hydrodynamic pressure is the major cause of vehicle hydroplaning in wet weather. By establishing a finite element model of the tire with longitudinal and transverse pattern, hydrodynamic pressure of the tire under different ... -
Fusion Framework of Urban Traffic Control and Route Guidance Based on Cyber-physical System Theory
(American Society of Civil Engineers, 2013)To avoid traffic congestion, improve transport efficiency, and meet the requirements of users and traffic flow equilibrium, the fusion framework of urban traffic control and route guidance was studied. The characteristics ... -
Calculation of Pile-soil Stress Ratio of Rigid Pile Composite Foundation with Consideration of Upward Penetration of Piles
(American Society of Civil Engineers, 2011)Deformation performance of rigid pile composite foundation under vertical loading was discussed, and the relationship between the pile lateral friction and the relative deformation of piles and soil was studied. By adopting ... -
Lightweight Design of Car Body Structure
(American Society of Civil Engineers, 2013)The body-in-white finite element model of a type of domestic car was established. The effectiveness and the reliability of the numerical simulation model were verified by comparing the results of prototype vehicle’s ... -
Loading Stress of Asphalt Overlay on Rubblized Cement Concrete Pavement and Related Resilient Modulus
(American Society of Civil Engineers, 2011)The existing cement concrete pavement treated with rubblization technique was regarded as a linear, isotropic elastic body at macro level. By using a double-layer elastic system model, the stress and deflection of asphalt ... -
Research on Permanent Deformation of Asphalt Mixture by Triaxial Repeated Load Test
(American Society of Civil Engineers, 2011)Triaxial repeated load permanent deformation tests of AC13F, AC13C, AC16 and AC20 under interim haversine loading were conducted. The flow number was selected as an evaluation index to investigate the influences of asphalt ... -
A Rapid Algorithm of Fundamental Frequency for the Freestanding Pylon of Suspension Bridges
(American Society of Civil Engineers, 2013)The combination of Rayleigh’s energy method and Southwell’s frequency composition method denoted the fundamental vibration frequencies of the freestanding pylon of suspension bridges as the composition of several subsystem ... -
Simulation Test of the Dynamic Water Pressure of Asphalt Concrete
(American Society of Civil Engineers, 2013)The simulation of dynamic water pressure is one of the basic methods that should be researched to improve the resistance of an asphalt mixture to water damage. In this study a test system that generates dynamic water ... -
Bridge Crack Extraction Method Based on Image-connected Domain
(American Society of Civil Engineers, 2013)Cracking is a typical kind of defect present in cement concrete bridges. Image-based bridge crack detection is a new technology for the lossless digital detection of bridge defects. An image-based method is proposed for ... -
Cost Constitution and Parameter Analysis of Bridge Engineering Computation Period by Considering Concerns of Decision Makers
(American Society of Civil Engineers, 2013)This study discusses the objectives of state-level and enterprise-level positions of decision makers in bridge engineering decision problems and their hierarchical structures. Based on the aforementioned factors, cost ... -
Method for Identifying Bridge Collapse Patterns: Analysis of Cases
(American Society of Civil Engineers, 2013)A method is proposed to identify bridge collapse patterns based on the limit analysis theorem. The Erchong Floodway single-pylon cable-stayed bridge in Taiwan and the Kap Shui Mun twin-pylon cable-stayed bridge in Hong ...