• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database

2010 Vol. 23, No. 6

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Numerical Analysis of Ground Vibrations of Viaduct Induced by High-Speed Maglev Vehicle
ZHAO Chunfa, JIA Xiaohong, ZHAI Wanming
2010, 23(6): 825-829. doi: 10.3969/j.issn.0258-2724.2010.06.001
[Abstract](2310) PDF 798KB(736)
Abstract:
An interaction model of maglev vehicle-bridge system was built to calculate dynamic magnetic forces of maglev vehicles, and the calculated forces were input into a finite element model of the pier foundation of a viaduct to obtain ground vibration responses. Numerical results show that the attenuati...
Design and Realization of On-Board Communication Platform for High-Speed Maglev Train Based on RTLinux
LIU Zhigang, HAN Zhiwei, PENG Quanwei, ZHOU Zhiguo
2010, 23(6): 830-836. doi: 10.3969/j.issn.0258-2724.2010.06.002
[Abstract](1328) PDF 1044KB(703)
Abstract:
For the demand of an on-board communication platform for high-speed maglev trains, a plan based on RTLinux (real-time linux) was proposed, including the architecture design of the communication platform based on RTLinux, the designs and realizations of real-time and non-real-time processing modules....
Efficiency Analysis and Parameter Optimization of CPT System
SUN Yue, XIA Chenyang, DAI Xin, SU Yugang
2010, 23(6): 836-842. doi: 10.3969/j.issn.0258-2724.2010.06.003
[Abstract](1576) PDF 923KB(654)
Abstract:
In order to solve the problem that the efficiency computing methods for CPT systems with different resonant coupling topological structures are different, a general method for efficiency computing of CPT systems with different resonant coupling topological structures was proposed through analyzing C...
Novel FB-ZVZCS-PWM Converter Based on Phase-Shift Control
CHEN Tefang, FU Qiang, CHEN Chunyang, YU Mingyang
2010, 23(6): 843-849. doi: 10.3969/j.issn.0258-2724.2010.06.004
[Abstract](1630) PDF 914KB(757)
Abstract:
A novel topological structure for full-bridge (FB) zero-voltage and zero-current switching (ZVZCS) converter based on phase-shifted pulse-width modulation (PS-PWM) was proposed to overcome the shortcomings of the existing topological structures, such as high current stress, complex control and narro...
Theoretical Study on Magnetism of Fe-Based Superconductor SmOFeAs
PAN Min, 2, HUANG Zheng, CHENG Cuihua, ZHAO Yong, 4
2010, 23(6): 850-854. doi: 10.3969/j.issn.0258-2724.2010.06.005
[Abstract](1226) PDF 634KB(511)
Abstract:
To investigate the superconductivity induced by 5d element doping in and physical pressure on Fe-based superconductor, the crystal structure of SmFeAsO was calculated, and the effects of pressure and Ir doping at Fe site on the lattices, electronic and magnetic properties of SmFeAsO were analyzed us...
Dynamic Characteristics of Soil Subgrade Bed for Ballastless Track
JIANG Guanlu, KONG Xianghui, MENG Liji, WANG Zhimeng
2010, 23(6): 855-862. doi: 10.3969/j.issn.0258-2724.2010.06.006
[Abstract](1692) PDF 1023KB(585)
Abstract:
In order to study the nonlinear elastic properties of the deformation modulus and reaction coefficient of soil subgrade bed, a large-scale test model of ballastless track subgrade and a comprehensive field test were used to analyze the static and dynamic characteristics of the ballastless track subg...
Investigation on Application of Gabion Structure to Railway Bridge Embankment in Mining Subsidence Area
YU Guangyun, 2, LIU Can, ZHANG Yan
2010, 23(6): 863-867. doi: 10.3969/j.issn.0258-2724.2010.06.007
[Abstract](1157) PDF 919KB(455)
Abstract:
In order to provide a reference for the application of Gabion structures in mine railway, their mechanical behavior and stress-strain relationship under uniaxial compression were obtained through the uniaxial compressive tests of Gabion structures filled with gravels or coal gangues. The experimenta...
Spatial Stability Analysis of Butterfly-Shape Arch Bridges Based on Unified Theory
PU Qianhui, HUO Xuejin, YANG Yongqing
2010, 23(6): 868-874. doi: 10.3969/j.issn.0258-2724.2010.06.008
[Abstract](1489) PDF 1174KB(559)
Abstract:
In order to investigate the stability of bridges, based on the unified theory considering the confining action of steel tube, the first- and second-class stabilities of butterfly-shape concrete-filled steel tube arch bridges were analyzed. The first-class stability safety factor was obtained from th...
Wake Effect of Bridge Tower on Coupling Vibration of Wind-Vehicle-Bridge System
LI Yongle, CHEN Ning, CAI Xiantang, 2, QIANG Shizhong
2010, 23(6): 875-882. doi: 10.3969/j.issn.0258-2724.2010.06.009
[Abstract](1320) PDF 1161KB(460)
Abstract:
With the action of cross wind, the existence of bridge tower results in a significant change in the distribution of wind field above bridge deck. In order to investigate the adverse influence of the change of wind field on the running safety and comfortability of a train, the CFD (computational flui...
Effects of 3D Wind Flow on Drag Coefficients of Stay Cables
SUO Qifeng, LI Mingshui, HE Xiangdong
2010, 23(6): 882-887. doi: 10.3969/j.issn.0258-2724.2010.06.010
[Abstract](1496) PDF 1026KB(642)
Abstract:
Models of stay cable sections and a corresponding drag coefficient testing system were designed to investigate the effects of cable surface pattern, inclination and yaw angles, and wind turbulence intensity on drag coefficient of the stay cables under 3D wind flows. Wind tunnel test indicates that t...
Characteristics of Restoring Force of High Strength Reinforced Concrete Frame Columns
LI Zhengliang, FENG Hong, CHEN Yongqing
2010, 23(6): 888-892. doi: 10.3969/j.issn.0258-2724.2010.06.011
[Abstract](1278) PDF 596KB(652)
Abstract:
A restoring force model was necessary for dynamic analysis of members under seismic action. In this paper, by analysis of the test results of low cyclic reversed loading experiments conducted on totally 19 steel reinforced high-strength concrete (HSRC) columns with different parameters (the slendern...
Co-Rotational Formulation-Based Analysis of Shell Buckling
ZHOU Lingyuan, LI Tongmei, LI Qiao
2010, 23(6): 893-897. doi: 10.3969/j.issn.0258-2724.2010.06.012
[Abstract](1160) PDF 629KB(669)
Abstract:
In order to solve the nonlinear problem in analyzing the bulking of thin-walled structures, an updated Lagrangian co-rotational method for the nonlinear analysis of shell structures was presented. A program based on this method was developed, and 2 numerical examples of the buckling analysis of shel...
Influencing Factors of Shear Capacity of Concrete Beam Reinforced with GFRP
SHI Xiao-Quan, ZHANG Zhi-Jiang, LI Zhi-Ye, LOU Xi-Hui
2010, 23(6): 898-904. doi: 10.3969/j.issn.0258-2724.2010.06.013
[Abstract](1632) PDF 1232KB(504)
Abstract:
To deeply study the shear behavior of concrete beams reinforced with glass fiber reinforce plastic (GFRP), factors influencing the shear capacity of a GFRP-reinforced concrete beam were investigated through tests of 57 concrete beams. The investigation mainly concerns the influences of stirrup and s...
Mechanical Analysis of Ballastless Track with Damaged Cracks under Train Load
LIN Hongsong, LI Peigang, YAN Hua, LIU Xueyi
2010, 23(6): 904-908. doi: 10.3969/j.issn.0258-2724.2010.06.014
[Abstract](1636) PDF 669KB(441)
Abstract:
In order to study the effect of cracks on the mechanics of ballastless track, a spatial finite element model of ballastless track with a crack was established based on the cracking characteristics of in-situ concrete layer, in which the singularity of the crack tip was simulated by 20-node hexahedro...
Numerical Simulation of Radial Fretting Behaviors Using Ball-Plate Model
SHEN Huoming, LIU Juan, ZHU Minhao, HUANG Qian
2010, 23(6): 909-913. doi: 10.3969/j.issn.0258-2724.2010.06.015
[Abstract](1429) PDF 819KB(628)
Abstract:
A ball-plate model and the Hertz theory were used to determine the relation between distributed forces and the contact radii on a Si3N4 ball and a Vita Mark II ceramic block. A finite element model was derived to determine the distribution of stress, strain and sliding. The simulation results are pr...
Experimental Investigation on Tensile Mechanical Properties of BFRP Bars
GU Xingyu, SHEN Xin, LU Jiaying
2010, 23(6): 914-919. doi: 10.3969/j.issn.0258-2724.2010
[Abstract](1660) PDF 997KB(547)
Abstract:
In order to probe into the mechanical properties of basalt fiber reinforced polymer (BFRP) bars, basic mechanical properties of BFRP bars were investigated by two strain test methods: the extensometer and optical fiber detection techniques. A new type of bar, called as basalt fiber-steel wires compo...
Effect of Implantation Dose and Energy on Structure of Titanium Oxide Films
WANG Jinbiao, YANG Ping, LI Guicai, CHEN Jiang, SUN Hong, HUANG Nan
2010, 23(6): 920-925. doi: 10.3969/j.issn.0258-2724.2010.06.017
[Abstract](1164) PDF 783KB(585)
Abstract:
In order to investigate the influences of ion implantation and vacuum annealing on the structure and properties of titanium oxide (TiO2) film, rutile titanium oxide film was synthesized on Si wafer using the unbalance reactive magnetron sputtering method, and then modified by phosphorus ion implanta...
Double Layer Genetic Algorithm for Integrated Scheduling Optimization of Part and Tool Flows
ZHAO Dan, ZHANG Jiatai, SHU Haisheng, ZHAO Gang
2010, 23(6): 926-931. doi: 10.3969/j.issn.0258-2724.2010.06.018
[Abstract](1613) PDF 751KB(700)
Abstract:
To solve the schedule optimization problem involving both part flow and tool flow in an FMS (flexible manufacturing system), a mathematical model of integrated scheduling for part and tool flows was presented, in which the objective was to minimize system make-span. A double-layer GA (genetic algori...
Optimization Algorithm for Wagon-Flow Allocation in Marshalling Station
XUE Feng, WANG Ciguang, ZHANG Zhanjie, 2
2010, 23(6): 932-937. doi: 10.3969/j.issn.0258-2724.2010.06.019
[Abstract](1797) PDF 839KB(501)
Abstract:
To improve the convergence performance of optimization algorithms for static and dynamic wagon-flow allocation, a genetic-ant algorithm was proposed, in which unnecessary search was avoided by limiting the solution space and coding schemes with their sequence number matrix following the rules of sch...
Application of Random Number in Driving Cycle Model
SHI Qin, LI Youwen, Zheng Yubo
2010, 23(6): 938-945. doi: 10.3969/j.issn.0258-2724.2010.06.020
[Abstract](1207) PDF 1015KB(635)
Abstract:
Vehicle driving states that vary with time were taken as a Markov process to reduce the influences of uncertainty and small variations in driving speed on the driving cycle model. Collected data were classified into model events of idling, acceleration, deceleration, and constant velocity using maxi...
Traffic Flow Time Series Periodicity Based on Recurrence Quantitative Analysis
HE Zhaocheng, LI Zhitao, ZHAO Jianming
2010, 23(6): 946-951. doi: 10.3969/j.issn.0258-2724.2010.06.021
[Abstract](1409) PDF 982KB(657)
Abstract:
In order to improve traffic flow prediction accuracy, recurrence plot and recurrence quantitative analysis were introduced to analyze the traffic flow time series periodicity. Further more, the prediction methods BPNN(back propagation neural network) and K-NN(nearest neighbor) were employed to predi...
Semi-actuated Signal Control Algorithm for Two-Phase Signalized Intersections
YU Quan, LIU Peihua, LIU Xiaoming, 2
2010, 23(6): 952-957. doi: 10.3969/j.issn.0258-2724.2010.06.022
[Abstract](1128) PDF 817KB(642)
Abstract:
In order to study the influence of pedestrian and bicycle groups on the semi-actuated signal timing algorithm, an analysis was made of the characteristics of left-turn vehicles crossing pedestrian and bicycle groups at two-phase intersections first. Then, based on the HCM 2000(highway capacity manua...
Evaluation Method for Time-Slot Availability of Crossing Air Route
ZHANG Jin, HU Minghua, ZHANG Chen
2010, 23(6): 958-964. doi: 10.3969/j.issn.0258-2724.2010.06.023
[Abstract](1673) PDF 1135KB(734)
Abstract:
To increase the efficiency of airspace use, an entry clearance strategy of the crossing air route was proposed and a mathematical model was established. Then, a new method for evaluating the airspace time-slot availability, with different combinations of various crossing route structure patterns and...
Model of Train Residence Time within GSM-R Cell in Section of Passenger Dedicated Line
LI Ye, YAN Yusong
2010, 23(6): 965-972. doi: 10.3969/j.issn.0258-2724.2010.06.024
[Abstract](1420) PDF 1007KB(549)
Abstract:
In order to investigate the essential parameters in a GSM-R (global system for mobile communication for railway) system, such as train channel occupation time and train handover rate, a new distribution model of train residence time within a GSM-R cell in SPDL (section of passenger dedicated line) w...
Connectivity Enhancement Based on Network Coding for Wireless Multi-hop Ad Hoc Networks
ZHU Xiping, 2, FANG Xuming
2010, 23(6): 972-976. doi: 10.3969/j.issn.0258-2724.2010.06.025
[Abstract](1189) PDF 604KB(463)
Abstract:
To provide a reference for planning and designing wireless multi-hop ad hoc networks, the influences of physical-layer network coding and network coding diversity on the connectivity of wireless multi-hop ad hoc networks were analyzed. The theoretical and numerical analyses of the network sustained ...
Quick Discretization Algorithm for Rough Set Based on Dynamic Clustering
HU Feng, 2, WANG Guoyin, DAI Jin
2010, 23(6): 977-983. doi: 10.3969/j.issn.0258-2724.201
[Abstract](1325) PDF 984KB(529)
Abstract:
In order to process the discretization of a decision table with large quantity objects, it is necessary to develop a high efficient discretization algorithm. The distribution of the importance values of candidate cuts on single attribute in a decision table was analyzed, and based on the distributio...
Algorithm for Multiple Sources Angle Tracking
AI Ming-Shun, MA Hong-Guang, LIU Gang
2010, 23(6): 984-989. doi: 10.3969/j.issn.0258-2724.2010.06.027
[Abstract](1168) PDF 853KB(493)
Abstract:
In order to solve the problem of multiple sources angle-only tracking, a novel algorithm was proposed by combining the rooting orthogonal propagator method (OPM) and the zero-tracking. As a result, the iterative angle estimation and automatic association were carried out. Two parameters, the forgett...
WRF/CALMET-Based Wind Field Simulation of Mountain Regions
WANG Wenyong, CHEN Nan
2010, 23(6): 990-996. doi: 10.3969/j.issn.0258-2724.2010.06.028
[Abstract](1188) PDF 967KB(692)
Abstract:
To more accurately simulate the local wind field caused by the terrain thermal of mountains, the atmospheric flow field of a valley industrial park was simulated by using the mesoscale weather model WRF (weather research and forecasting model) proposed by the United States NCAR (National Center for ...

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