• 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

2017 Vol. 30, No. 6

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Display Method:
Simplified Calculation of Temperature in Concrete Slabs of Ballastless Track and Influence of Extreme Weather
LIU Xueyi, LI Jiali, KANG Weixin, LIU Xiaokai, YANG Rongshan
2017, 30(6): 1037-1045,1060. doi: 10.3969/j.issn.0258-2724.2017.06.001
[Abstract](609)
Abstract:
In order to ascertain the temperature distribution characteristics of a ballastless track, heat transfer mechanisms between the concrete slab and the environment were investigated, and a field temperature test of the ballastless track was conducted. The spectrum analysis method was used to study the...
Experiment and DEM Analysis of Lateral Resistance of Glued Ballast
XIAO Hong, LING Xing
2017, 30(6): 1046-1054. doi: 10.3969/j.issn.0258-2724.2017.06.002
[Abstract](580)
Abstract:
Lateral resistance data were obtained through a field experiment in a high-speed railway to reveal the working mechanism of the lateral resistance of glued ballast. The change characteristics of the lateral resistance of the glued ballast were analysed. Moreover, a three-dimensional discrete element...
Analysis of Mechanical Characteristics of Degradation Railway Ballast by Direct Shear Test
JING Guoqing, HUANG Hongmei, CHANG Jinxiu, QIANG Weile
2017, 30(6): 1055-1060. doi: 10.3969/j.issn.0258-2724.2017.06.003
[Abstract](641)
Abstract:
In order to study the mechanical characteristics and reuse of a washed recycled ballast, a Los Angeles abrasion tester and strain-controlled direct shear apparatus were used in experiments to investigate the stress-strain characteristics of recycled ballast with different proportions of fresh ballas...
Fatigue Life Assessment of Full-Penetration Cruciform Welded Joints under Tensile Shear Cyclic Stress
WEI Xing, JIE Zhiyu
2017, 30(6): 1061-1067. doi: 10.3969/j.issn.0258-2724.2017.06.004
[Abstract](572)
Abstract:
To investigate the fatigue performance and fatigue life assessment method of full-penetration welded joints in tensile shear cyclic stress, fatigue tests and finite element analyses were carried out. With different inclined angles of weld lines of 0°, 15°, 30°, and 45°, full-penetration cruciform we...
Study of Train Running Performance under Wave Load for Cross-Sea Bridge
FANG Chen, LI Yongle, XIANG Huoyue
2017, 30(6): 1068-1074. doi: 10.3969/j.issn.0258-2724.2017.06.005
[Abstract](490)
Abstract:
The Pingtan Strait Bridge is in a complex and harsh marine environment. The wave loads could affect traffic safety and comfortability.Based on the numerical simulation for coupling vibration of the rail vehicle-bridge system,our software-BANSYS (bridge analysis system) was adopted for analysing the ...
Analysis of Dynamic Damage Constitutive Model for Concrete Exposed to High Temperature
WANG Fei, QIAN Yongjiu, XU Jinyu, LI Zhiwu
2017, 30(6): 1075-1081. doi: 10.3969/j.issn.0258-2724.2017.06.006
[Abstract](602)
Abstract:
To fill a gap in the field of dynamic constitutive model research of concrete, a dynamic damage constitutive model for concrete was established based on a nonlinear viscoelastic constitutive model and damage mechanics, while considering the effect of damage on the mechanical properties of the materi...
Refined Finite Element Modeling Methodof Spatial Prestressed Steel Beam
WU Yanbin, HUANG Fanglin
2017, 30(6): 1082-1087. doi: 10.3969/j.issn.0258-2724.2017.06.007
[Abstract](620)
Abstract:
In order to establish a continuous smooth model of spatial prestressed steel beam include both horizontal and vertical curvature, to consider the mechanical effects of spatial prestressed steel beam in finite element analysis, the refined finite element modeling method of spatial prestressed steel b...
Model Test Study on Long-Span Railway Concrete Arch Bridge with Rigid Skeleton
ZHANG Shuangyang, ZHAO Renda, JIA Yi, WANG Yongbao, XIE Haiqing
2017, 30(6): 1088-1096. doi: 10.3969/j.issn.0258-2724.2017.06.008
[Abstract](601)
Abstract:
The Beipanjiang bridge is a 445 m concrete arch reinforced rigid skeleton bridge on the high-speed railway from Shanghai to Kunming. The bridge deck is designed to comply with design rail speeds of 350 km/h and subsequently requires strictly controlled stresses and deformation for this ballast-less ...
Structural Reliability Design of Non-Backfilling Arch Open Tunnel Structure under Rock-fall Impaction
WANG Yusuo, XU Ming, WANG Tao, WANG Zhilong, HE Junnan, ZHOU Liang
2017, 30(6): 1097-1103. doi: 10.3969/j.issn.0258-2724.2017.06.009
[Abstract](619)
Abstract:
A structural reliability design method for a non-backfilling arch open tunnel structure under rockfall impaction was investigated to improve the reliability of structural design. Firstly, in view of the characteristics of the failure modes of a non-backfilling arch open tunnel under rockfall impacti...
Effects of Material Damage and Structural Characteristics on Tunnel Shield During Loading and Unloading
LU Daiyue, XU Guowen, WANG Shimin
2017, 30(6): 1104-1112. doi: 10.3969/j.issn.0258-2724.2017.06.010
[Abstract](603)
Abstract:
To study the effects of material damage and structural characteristics in a tunnel shield during loading and unloading, we conducted an investigation using a plastic-damage constitutive model for the concrete material, nonlinear contact theory, Python's secondary development, and a unidirectional co...
Research of Shaking Table Model Tests on Immersed Tunnels under Different Conditions
CHENG Xinjun, JING Liping, CUI Jie, LI Yongqiang, DONG Rui
2017, 30(6): 1113-1120. doi: 10.3969/j.issn.0258-2724.2017.06.011
[Abstract](557)
Abstract:
To study the seismic response and anti-seismic behaviour of immersed tunnels at different sites, shaking table tests were conducted in three sets. The reduced-scale ratio of the tests was 1:30. The site conditions adopted in the tests were dry sand, saturated sand, and saturated sand under an overly...
Comparison of 2D and 3D Dynamic Responses of Saturated Soft Soil due to Metro Train Load
HUANG Qiang, YE Bin, HUANG Hongwei, ZHANG Dongmei, ZHANG Feng
2017, 30(6): 1121-1129. doi: 10.3969/j.issn.0258-2724.2017.06.012
[Abstract](571)
Abstract:
As for the common practice that the two-dimensional(2D) model is approximately employed to the three-dimensional(3D) model in numerical calculation of geotechnical engineering, 2D and 3D dynamic responses induced by the metro train vibration were analyzed. Train vibration load on the track bed was d...
Buckling Analysis for Tapered Pile Considering Self-Weight of Pile
LI Chuanxun, LIU Xiaozhao, WU Wenbing
2017, 30(6): 1130-1138. doi: 10.3969/j.issn.0258-2724.2017.06.013
[Abstract](551)
Abstract:
To study the effect of pile shape on the buckling behaviour of a tapered pile, the first-type stability of the tapered pile was analyzed based on the cusp catastrophe model of the pile-soil system with considering the self-weight of the pile. By determining the potential function and the equations o...
Mapping Relationship between Rail Deflection of Slab Track and Subgrade Settlement
GUO Yu, GAO Jianmin, SUN Yu, ZHAI Wanming
2017, 30(6): 1139-1147,1215. doi: 10.3969/j.issn.0258-2724.2017.06.014
[Abstract](612)
Abstract:
In order to investigate the effect of subgrade settlement on the track geometry of the slab track, a calculation method for the mapping relationship between rail deflection and subgrade settlement was proposed, aiming at both longitudinal connected track and unit slab track of high-speed railways. T...
Flexural Performance of Composite Bamboo-Concrete Beams
WEI Yang, ZHOU Mengqian, JI Xuewei, DUAN Maojun, LI Guofen
2017, 30(6): 1148-1155. doi: 10.3969/j.issn.0258-2724.2017.06.015
[Abstract](593)
Abstract:
Three bamboo-concrete composite beams and one companion bamboo beam were tested to investigate the composite efficiency and the effects of shear connectors on bamboo-concrete composite beams. The shear connectors of these composite beams consisted of dowels, notches or notch-dowels. The results indi...
Seismic Fragility Analysis of Nepalese Brick-Timber Heritage Structures under Near-Fault Pulse-Like Ground Motions
PAN Yi, WANG Xiaoyue, XU Hu, XIE Dan
2017, 30(6): 1156-1163. doi: 10.3969/j.issn.0258-2724.2017.06.016
[Abstract](565)
Abstract:
To study the influence of near-fault pulse-like ground motions on the seismic performance of masonry-timber heritage structures in Nepal, a two-storey Nepalese masonry-timber structure was selected as a prototype according to the typical seismic damage mode in the Gorkha earthquake. A numerical simu...
Study of Seismic Performance and Displacement Ductility of Confined Masonry Structures
SU Qiwang, XU Ziyi, SONG Jirong, LI Yongzhi, WU Hao
2017, 30(6): 1164-1172. doi: 10.3969/j.issn.0258-2724.2017.06.017
[Abstract](599)
Abstract:
In order to research seismic behaviours of masonry structures confined by tie-columns and beams, a 1:2 pseudo-static model test of a two-storied brick masonry building with confined elements was conducted. The mechanical characteristics, the strain development of tensioned bars in the constructional...
Axially Loaded of Concrete-Encased Concrete Filled Steel Tubular Stub Columns after Fire
XIANG Kai, PAN Yanchong, ZHAO Bi, WANG Guohui
2017, 30(6): 1173-1181. doi: 10.3969/j.issn.0258-2724.2017.06.018
[Abstract](496)
Abstract:
In order to investigate the failure mechanism and structural performance of axially loaded concrete-encased concrete filled steel tubular (CFST) stub columns after fire exposure, the failure mode, axial compression ultimate bearing capacity and axial stiffness of concrete-encased CFST stub columns w...
Real-time Detection of Defects in Train Bearings Based on Analysis of Signal Characteristics in Time-Frequency Domains
YONG J. Yuan, HUANG Xiaoxia, TANG Yuantian
2017, 30(6): 1182-1187. doi: 10.3969/j.issn.0258-2724.2017.06.019
[Abstract](522)
Abstract:
To realize the real-time monitoring and quick diagnosis of defects in rolling trainbearings, an approach is proposed based on the time and frequency analysis of signal characteristics, especially the combination of time-domain characteristics analysis and resonance demodulation based on wavelet tran...
Friction Performance of Brake Disks and Blocks for High-Speed EMU Trains in Cold, Rainy, and Snowy Weather
QIAN Kuncai, WU Shezhang, QIAO Qingfeng, CHEN Xin, WANG Zehua
2017, 30(6): 1188-1192. doi: 10.3969/j.issn.0258-2724.2017.06.020
[Abstract](648)
Abstract:
In order to improve the safety of high-speed train operation in cold weather, the braking performance of a high-speed EMU train in temperature range from -15℃ to 20℃ in rain and snowy conditions was simulated and the causes of decline in braking force and scratching of the brake disk surface were in...
Critical Station Identification Based on Passenger Propagation in Urban Mass Transit Network
HU Yingyue, CHEN Feng, CHEN Peiwen, WANG Zijia
2017, 30(6): 1193-1200,1215. doi: 10.3969/j.issn.0258-2724.2017.06.021
[Abstract](584)
Abstract:
In order to reflect the real-world operation situation of an urban mass transit network, on the basis of complex network theory, the influence of passenger flow was considered to improve the recognition accuracy of the key stations in the network. By analyzing the sources of passenger flow in each s...
Biochar Incorporation into Bioretention for Enhanced Ammonium Removal and Runoff Retention
TIAN Jing, LIU Dan
2017, 30(6): 1201-1207. doi: 10.3969/j.issn.0258-2724.2017.06.022
[Abstract](524)
Abstract:
Incorporating biochar into bioretention filter media was proposed to enhance urban stormwater treatment. Pinewood biochar pyrolysed at 550℃ was used to investigate its impact on the physicochemical properties of bioretention filter media and their ammonium sorption capacities in artificial stormwate...
New Contact Force Measuring Method for Overhead Catenary Systems Based on Strain
TAN Mengying, ZOU Dong, LI Ruiping, LI Yan, ZHOU Ning, MEI Guiming, ZHANG Weihua, HUANG Guanhua
2017, 30(6): 1208-1215. doi: 10.3969/j.issn.0258-2724.2017.06.023
[Abstract](647)
Abstract:
Pantograph dynamic contact force is the key factor for assessing the current collection quality of a pantograph, operation conditions of the catenary, abrasion on the pantograph slide, and the localized defect detection of the catenary. Taking into account the drawbacks of currently used methods, a ...
Delay-Constrained Mobile Energy Charging in Wireless Sensor Networks
JIANG Wenxian, MIAO Haixing, WANG Tian, WANG Cheng, LAI Yongxuan, LIANG Junbin
2017, 30(6): 1216-1223. doi: 10.3969/j.issn.0258-2724.2017.06.024
[Abstract](507)
Abstract:
In order to prolong the lifetime of wireless sensor networks by using energy-rechargeable mobile devices, this paper designs a mobile energy replenishment method wherein a mobile element gathers data and recharges sensors simultaneously. Firstly, the whole sensor network is divided into several sub-...
Heuristic Complete Algorithm for SAT Problem by Using Logical Deduction
CHEN Qingshan, XU Yang, HE Xingxing
2017, 30(6): 1224-1232. doi: 10.3969/j.issn.0258-2724.2017.06.025
[Abstract](487)
Abstract:
In order to address the issue of branch decision-making inefficiency in solving the satisfiability problem (SAT), a heuristic complete algorithm based on logical deduction group (LDG) is proposed. Specifically, the proposed algorithm chooses the remaining unsolved clauses to make the logical deducti...
Application of Hidden Markov Model for Fault Analysis of ODO in Train Location Unit
ZANG Yu, SHANGGUAN Wei, ZHANG Junzheng, CAI Baigen, WANG Huashen
2017, 30(6): 1233-1240. doi: 10.3969/j.issn.0258-2724.2017.06.026
[Abstract](586)
Abstract:
During the running of a train, the lock-and-slip state of a wheel may occur and hence, an Odometers (ODO) will temporarily display the state of functional failure. To address this issue, fault analysis of ODO based on the application of hidden Markov model (HMM) has been carried out. Firstly, an alg...

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