• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
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2018 Vol. 31, No. 5

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Standardisation and Evolution of Next Generation Railway Mobile Communication Systems in China
XIONG Jie
2018, 53(5): 879-885. doi: 10.3969/j.issn.0258-2724.2018.05.001
[Abstract](507) [FullText HTML] (350) PDF 697KB(12)
Abstract:
At present, the industrial chain of second-generation mobile communication systems in China is in a state of atrophy. Hence, application-oriented research of next generation railway mobile communication systems (NGRMSs) is of great significance to the development of railway mobile communication syst...
Standardisation and Evolution of Next Generation Railway Mobile Communication Systems in China
XIONG Jie
2018, 53(5): 879-885. doi: 10.3969/j.issn.0258-2724.2018.05.001
[Abstract](92) PDF 697KB(199)
Abstract:
At present,the industrial chain of second-generation mobile communication systems in China is in a state of atrophy. Hence,application-oriented research of next generation railway mobile communication systems (NGRMSs) is of great significance to the development of railway mobile communication system...
Video Error Concealment Algorithm Based on Visual Saliency
WANG Bing, PENG Qiang
2018, 53(5): 886-892. doi: 10.3969/j.issn.0258-2724.2018.05.002
[Abstract](491) [FullText HTML] (267) PDF 1058KB(111)
Abstract:
In order to avoid new noticeable distortions owing to replacement information selected improperly during error concealment, this paper combines visual saliency with video processing and proposes a novel video error concealment algorithm based on visual saliency. Firstly, each video frame is divided ...
An Improved LBP Feature for Rail Fastener Identification
WANG Qiang, LI Bailin, HOU Yun, FAN Hong
2018, 53(5): 893-899. doi: 10.3969/j.issn.0258-2724.2018.05.003
[Abstract](605) [FullText HTML] (292) PDF 1004KB(77)
Abstract:
An improved LBP (local binary pattern) algorithm is proposed to raise the auto-detection accuracy on fasteners. The original LBP is sensitive to noise. To solve this problem, the pixel means value and deviation are calculated, according to the different noise in different neighborhood and the measur...
Simulation of Electromagnetic Response Characteristics and Three-Dimensional Imaging of Inverted Arch Diseases
JIANG Wujun, YIN Xiaobo, DAI Qianwei, ZHANG Bin
2018, 53(5): 900-905. doi: 10.3969/j.issn.0258-2724.2018.05.004
[Abstract](495) [FullText HTML] (244) PDF 1141KB(44)
Abstract:
A new wave field analytical approach, based on forward simulation and migration imaging theory using rotated staggered grid (RSG) algorithm, is proposed for enhancing the imaging efficiency and detection precision of inverted arch diseases in tunnelling using three-dimensional electromagnetic (EM) w...
Theoretical Study on Fatigue Stress Spectrum of Longitudinal Connected Slab Track on Bridge
XU Qingyuan, LIN Qingteng, FANG Ziyun, LOU Ping, YANG Rongshan, CHEN Wei, ZHANG Ze
2018, 53(5): 906-912. doi: 10.3969/j.issn.0258-2724.2018.05.005
[Abstract](616) [FullText HTML] (287) PDF 1672KB(47)
Abstract:
To obtain the fatigue stress spectrum, the calculation theory is proposed for longitudinally connected slab tracks on a bridge during service life. The temperature field calculation model of longitudinally connected slab tracks, the multi-scale high speed train-longitudinal connected slab track-brid...
Influence of Interface Crack on Impact Dynamic Properties of CRTS III Slab Track-Subgrade System
SONG Xiaolin, LÜ Tianhang, PEI Chengjie
2018, 53(5): 913-920. doi: 10.3969/j.issn.0258-2724.2018.05.006
[Abstract](550) [FullText HTML] (292) PDF 1413KB(54)
Abstract:
To investigate the influence of the interface crack on the dynamic characteristics of high-speed railway infrastructure, a wheel-drop test was performed using the full-scale experimental platform of CRTS III ballastless track-subgrade system. The distribution of the one-sided interface crack between...
Vertical Stability of Longitudinal Continuous Ballastless Track Under Temperature Variation
LIU Xiaokai, LIU Xueyi, XIAO Jieling, DI Yinqiao, YANG Rongshan
2018, 53(5): 921-927, 944. doi: 10.3969/j.issn.0258-2724.2018.05.007
[Abstract](528) [FullText HTML] (306) PDF 1221KB(62)
Abstract:
To study the vertical instability form and process of a longitudinal continuous ballastless track, the arch curve of the slab that is influenced by temperature can be deduced based on the deflection differential equation of the Euler beam. The equation of the arch camber and wavelength of the slab w...
Effects of Fastener Stiffness of Monolithic Bed Track on Vertical Rail Sound Power Characteristics
SHENG Xi, ZHAO Caiyou, WANG Ping, CHEN Junhao, WEI Xiao
2018, 53(5): 928-936, 1094. doi: 10.3969/j.issn.0258-2724.2018.05.008
[Abstract](600) [FullText HTML] (271) PDF 1657KB(89)
Abstract:
To study the effects of fastener stiffness of the monolithic bed track on vertical rail sound power characteristics, the plane half-track model was built and the spectral element method was utilised to obtain rail mobility. A periodic track-substructure model was also built, and the spectral transfe...
Study on Fatigue Strength of Welds in Bogie Frame Based on Structural Stresses
ZHOU Zhangyi, HUANG Yunhua, YANG Yang, DING Junjun
2018, 53(5): 937-944. doi: 10.3969/j.issn.0258-2724.2018.05.009
[Abstract](534) [FullText HTML] (303) PDF 1270KB(76)
Abstract:
In order to solve problems in application of the permissible fatigue strength data for welds in bogie frames, comparisons of different structural stress approaches and data were carried out. The relations and differences in the measurement methods of weld structural stress, permissible stress amplit...
Wear and Damage Mechanism of Wheel-Rail Materials Based on Contact Zone Energy Dissipation
GUO Lichang, YANG Bin, HE Chenggang, ZHU Wentao, WANG Wenjian, LIU Qiyue
2018, 53(5): 945-950. doi: 10.3969/j.issn.0258-2724.2018.05.010
[Abstract](483) [FullText HTML] (263) PDF 863KB(51)
Abstract:
In order to establish a uniform standard for wheel-rail wear and damage experiments, an analytic technique for wheel-rail wear and damage is put forward on the wear and damage mechanisms. As there is currently no wheel-rail wear and damage experiment standard, the wear and damage results from variou...
Analysis of Guided Wave Behaviour in Rails Using Numerical or Analytical Models
DAI Feng, LIU Xueyi, ZHU Ying, THOMPSON David, YANG Jizhong
2018, 53(5): 951-957, 1016. doi: 10.3969/j.issn.0258-2724.2018.05.011
[Abstract](498) [FullText HTML] (314) PDF 6367KB(95)
Abstract:
The vibration of rails is a major contributor to railway rolling noise, and consists of different guided waves that propagate along the rail. To study the dynamic behaviour of a railway track, models based on the Timoshenko beam theory and the waveguide finite-element method were established. The so...
Dynamic Influence of Gap Height of CA Mortar on Track Structure Under Mixed Traffic Conditions
LI Xiao, REN Juanjuan, LIU Xueyi, DENG Shijie, WANG Ji, WANG Zeping
2018, 53(5): 958-965. doi: 10.3969/j.issn.0258-2724.2018.05.012
[Abstract](621) [FullText HTML] (286) PDF 2709KB(82)
Abstract:
For CRTS I prefabricated slab tracks used in mixed passenger-freight railway, the gap between the CA mortar and the track slab is a common disease. In order to analyse the influence of the gap height of CA mortar on the dynamic response of the track structure, a vertical coupling model of CRTS I sla...
Failure Analysis on Surrounding Rock of Soft-Layered Rock Tunnel Using Coupled Continuum-Discrete Model
XU Guowen, HE Chuan, WANG Yao, CHEN Ziquan
2018, 53(5): 966-973. doi: 10.3969/j.issn.0258-2724.2018.05.013
[Abstract](504) [FullText HTML] (254) PDF 3277KB(57)
Abstract:
In order to study the failure mechanism of layered surrounding rock after tunnel excavation, taking the Zhegu mountain tunnel of Wenma highway as an example, a new numerical approach is put forward based on continuum-discrete coupling method. The failure patterns of surrounding rock under different ...
Approximate Analytical Method for Skin Friction of Tunnel-Type Anchorage Used in Suspension Bridge Engineering
XIAO Shiguo, ZHAO Linzhi
2018, 53(5): 974-981. doi: 10.3969/j.issn.0258-2724.2018.05.014
[Abstract](519) [FullText HTML] (223) PDF 1357KB(41)
Abstract:
Based on the theory of elasticity, the calculation formulas for the skin friction stress of tunnel-type anchorages used in suspension bridge engineering is provided, taking into account the boundary conditions on the two ends of the anchorage. Firstly, an analysis model is established in light of th...
Numerical Analysis on Seismic Performance of Load Bearing 3D Walls
HUANG Qunyi, LIANG Dong, HUANG Yanxia, RUI Yi
2018, 53(5): 982-988. doi: 10.3969/j.issn.0258-2724.2018.05.015
[Abstract](439) [FullText HTML] (197) PDF 1235KB(33)
Abstract:
To investigate the seismic performance of load bearing 3D walls under low cyclic reversed loads, numerical analysis for load-displacement curves of load bearing 3D walls under low cyclic reversed loads are performed by using the solid model based on ABAQUS software. The simulation results agree well...
Shaking Table Test of Model Structure with Viscous Dampers Subjected to Random Earthquake Ground Motions
MEI Zhen, GUO Zixiong, HOU Wei, LI Haifeng, WANG Haifeng
2018, 53(5): 989-999. doi: 10.3969/j.issn.0258-2724.2018.05.016
[Abstract](483) [FullText HTML] (193) PDF 2713KB(40)
Abstract:
To investigate the control efficiency of structures installed with viscous dampers subjected to random excitations, shaking table tests on vibration control of a randomly base-driven structure with and without dampers, were conducted. In the experiments, the base excitation was represented by a phys...
Numerical Simulation on Stability Development of Geogrid Reinforced Widening Embankment with Rigid Retaining Wall
JIANG Xin, CHEN Tao, WU Yu, ZHU Qijiong, GENG Jianyu, QIU Yanjun
2018, 53(5): 1000-1008. doi: 10.3969/j.issn.0258-2724.2018.05.017
[Abstract](485) [FullText HTML] (225) PDF 1520KB(66)
Abstract:
Rigid retaining walls are widely used in highway widening embankments in mountainous regions. To interpret the dynamic development law and mechanics of geogrid reinforced widening embankment with the rigid retaining wall in mountainous region, combined with the particularity of the rigid retaining w...
Wind Tunnel Test of Tension Effects on Vibration Responses of Catenary System
XIE Qiang, ZHI Xi
2018, 53(5): 1009-1016. doi: 10.3969/j.issn.0258-2724.2018.05.018
[Abstract](446) [FullText HTML] (221) PDF 1247KB(40)
Abstract:
The tensions of contact wire and messenger wire are important to the wind-induced vibration responses of a catenary system. Based on the design of an actual railway project, a five-post and four-span aero-elastic catenary system model for a wind tunnel test was designed according to the similarity t...
Shear Rheological Characteristics and Nonlinear Constitutive Model of Serrate Structure Surface
TIAN Guanghui, SHEN Mingrong, YANG Ruifang, ZHANG Qingzhao, WANG Zhen
2018, 53(5): 1017-1025. doi: 10.3969/j.issn.0258-2724.2018.05.019
[Abstract](517) [FullText HTML] (190) PDF 1238KB(26)
Abstract:
In order to investigate the creep and stress relaxation characteristics of rock mass discontinuity with different slope ratios, the creep and stress relaxation tests of dentate discontinuity poured by cement mortar on the condition of shear stress are carried out by using a biaxial creep machine. Fi...
Soil Compaction Effect of Bagged Grouting Piles in Saturated Soft Clay Subgrade
LI Qiyue, WU Zhengyu, ZHANG Dianji
2018, 53(5): 1026-1032, 1047. doi: 10.3969/j.issn.0258-2724.2018.05.020
[Abstract](483) [FullText HTML] (194) PDF 1092KB(35)
Abstract:
To study the soil compaction effect of bagged grouting piles in saturated soft clay roadbeds, field tests were conducted on roadbeds reinforced with bagged grouting piles to analyse the displacement of the soil and the applied super-static pore pressure occurring during pile formation. First, the ho...
Correlation Analysis between Clay Mineral Composition and Shear Strength
WANG Jinshu, WANG Shiming, HONG Meiling, LI Yongzhi, WU Guang, LI Lin, ZHANG Jilong
2018, 53(5): 1033-1038. doi: 10.3969/j.issn.0258-2724.2018.05.021
[Abstract](466) [FullText HTML] (444) PDF 1032KB(79)
Abstract:
The influence of mineral composition on soil shear strength was investigated in this study. Using scanning electron microscopy and X-ray diffraction measurements, the composition and microstructure of pure clay minerals was obtained. Single-component clay samples were manually prepared with differen...
Probabilistic Risk Analysis of Multi-Climatic Coupling Sections of Expressway in Fog Area
LI Xiaolei, TANG Boming, SONG Qianghui
2018, 53(5): 1039-1047. doi: 10.3969/j.issn.0258-2724.2018.05.022
[Abstract](483) [FullText HTML] (267) PDF 1083KB(44)
Abstract:
The fog sections of an expressway often experience fog accompanied by rain, ice, or snow, as well as other complex climatic conditions. Therefore, evaluating and researching the accident risk of an expressway with consideration of the coupling of complex factors such as fog, rain, snow, and ice has ...
Time Variant Characteristics of Piston Wind for Billboards Affiliated with Subway Tunnels
ZHU Fu, YU Zhixiang, CAO Ruizhou, LIU Zhixiang
2018, 53(5): 1048-1057. doi: 10.3969/j.issn.0258-2724.2018.05.023
[Abstract](455) [FullText HTML] (237) PDF 1788KB(34)
Abstract:
In order to predict the time-variant characteristics of a piston wind for billboards in subway tunnels, a simulation based on computational fluid dynamics was employed to solve the three-dimensional unsteady flow problem. User-defined functions were used to define the movement manipulating the train...
Investigation of Traffic-Information Quantity Measurement Based on Information Theory
LUO Chen, LIU Lan, ZHANG Ling
2018, 53(5): 1058-1064. doi: 10.3969/j.issn.0258-2724.2018.05.024
[Abstract](513) [FullText HTML] (219) PDF 631KB(48)
Abstract:
In view of the lack of voice-information quantification and that road-sign information measures have no effect on the road network size under actual travel conditions, information theory was introduced to construct a voice-information volume measurement model and an image-information volume measurem...
Study of Aerodynamic Characteristics in Detached Cooling Module Based on Cluster Analysis
FU Jiahong, ZUO Qiang, ZHANG Xufang, XIAO Baolan, SUN Shuli, LU Qianqian, ZHANG Yu
2018, 53(5): 1065-1071. doi: 10.3969/j.issn.0258-2724.2018.05.025
[Abstract](371) [FullText HTML] (165) PDF 1152KB(23)
Abstract:
Numerical and experimental studies were conducted to investigate the cluster effect of aerodynamic characteristics in detached cooling modules with multiple types of heat exchangers, considering the typical dual heat exchangers in construction machinery cooling modules as examples. The porous media ...
Algorithm Based on Cooperative Vehicle Infrastructure Systems
LUO Wenhui, DONG Baotian, WANG Zesheng
2018, 53(5): 1072-1077, 1086. doi: 10.3969/j.issn.0258-2724.2018.05.026
[Abstract](643) [FullText HTML] (189) PDF 954KB(73)
Abstract:
In order to determine the problem of vehicle positioning deviation caused by a lack and delay of the positioning signal, a cooperative map-matching（CMM）algorithm, based on the cooperative vehicle infrastructure system, is proposed in this paper. First, the information obtained by GPS and that obtain...
Optimized Design of New Coupling Mechanism for Electric Vehicles
SUN Yue, TAN Ruoxi, TANG Chunsen, WANG Zhihui, DAI Lin
2018, 53(5): 1078-1086. doi: 10.3969/j.issn.0258-2724.2018.05.027
[Abstract](558) [FullText HTML] (248) PDF 1825KB(35)
Abstract:
Aimed at the application of wireless charging in electric vehicles, a type of concave-convex magnetic coupling mechanism is proposed, which realizes better coupling characteristics and improves the system power transmission capacity. Based on the finite element theory and the COMSOL simulation softw...
Operation Mode of Solar and Untreated Sewage Source Heat Pump System for Heating Biogas Digesters
GUO Pei, MA Rongjiang, YU Nanyang
2018, 53(5): 1087-1094. doi: 10.3969/j.issn.0258-2724.2018.05.028
[Abstract](394) [FullText HTML] (165) PDF 713KB(32)
Abstract:
A solar and untreated sewage source heat pump system (SUSSHPS) for heating biogas digesters was designed because of the high investment and difficult operation of current heating systems. To determine the optimal operation mode, three operation modes were designed: annual middle-temperature fermenta...

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