• 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

2020 Vol. 55, No. 6

Display Method:
Energy Consumption Optimization Method for Novel Supply Mode in Tram Operation
LI Qi, HUANG Tao, SU Bo, HUANG Wenqiang, ZHAO Zihan, CHEN Weirong
2020, 55(6): 1133-1140. doi: 10.3969/j.issn.0258-2724.20190585
Abstract:
Aiming at tram energy consumption of contactless power supply, a method is developed to reduce operating energy consumption and improve regenerative braking energy recovery when energy storage capacity is limited. The method can redistribute the three working conditions of traction, coasting and bra...
Construction of Typical Driving Cycle for Tram
CHEN Weirong, LIU Yubei, DAI Chaohua, GUO Ai, AN Qi, SHI Fangli
2020, 55(6): 1141-1146, 1190. doi: 10.3969/j.issn.0258-2724.20190268
Abstract:
In order to reflect the real driving characteristics and operating parameters of new-energy trams in rail transit, and provide a basis for the design and control of trams, a typical driving cycle was constructed. Firstly, according to the tram operation data and tram lines in the cities of Paris, Bu...
Analysis of Power Tracking Management Strategy for Fuel Cell Hybrid System
LIU Nan, YU Boxuan, GUO Ai, LI Ming, ZHANG Qiumin, CHEN Weirong, DAI Zhaohua
2020, 55(6): 1147-1154. doi: 10.3969/j.issn.0258-2724.20180733
Abstract:
In order to improve the economical efficiency of the fuel cell hybrid system, the parameters and the adjustment method of state of charge (SOC) in the power following energy management strategy were analyzed, based on the fuel cell hydrogen consumption and the power fluctuation rate. The power fluct...
Reliability Evaluation Method for Metro Medium-Voltage Ring-Network Power Supply System
LIN Sheng, CUI Zhen, YANG Qianqian, FENG Ding, ZANG Tianlei
2020, 55(6): 1155-1162. doi: 10.3969/j.issn.0258-2724.20190812
Abstract:
Metro medium-voltage ring-network power supply system has a complex structure and various devices, which plays a crucial role in the distribution and transmission of electric energy. The analysis of metro medium-voltage ring network supply system is of great significance. In the analysis of its netw...
Calculation of Urban Rail AC/DC Power Supply with Traction Substation in Multi-Operation Modes
LIU Wei, ZHANG Yangxin, ZHANG Jian, LI Kunpeng, LI Qunzhan
2020, 55(6): 1163-1170. doi: 10.3969/j.issn.0258-2724.20190854
Abstract:
Traction substations operate in such modes as the rectification, rectifier turn-off, constant voltage operation of inverting-feedback devices, and maximum-power operation of inverting-feedback device. To achieve convergence in power flow calculation when the states of traction substations are uncert...
Security and Efficiency Enhanced Authentication Scheme Based on Self-Updated Hash Chain for Train-Ground Communication
ZHANG Wenfang, SUN Haifeng, WANG Yu, LIN Wei, WANG Xiaomin
2020, 55(6): 1171-1180, 1206. doi: 10.3969/j.issn.0258-2724.20190205
Abstract:
Aiming at the special requirement of security and real-time performance in next generation high-speed railway wireless communication system, long term evolution-railway (LTE-R), a security and efficiency enhanced train-ground authentication scheme based on self-updated hash chain is proposed. In the...
Resilience Assessment of Urban Road Network Based on Day-to-Day Traffic Assignment
LÜ Biao, GAO Ziqiang, GUAN Xinyi, LIU Yiliu
2020, 55(6): 1181-1190. doi: 10.3969/j.issn.0258-2724.20191214
Abstract:
In order to effectively evaluate road network performance under major disruptive events, on the basis of a day-to-day traffic assignment (DTA) model, an urban road network resilience assessment model is proposed. With explicit consideration on the dynamic characteristics of traffic flow under a majo...
GNSS/INS Based Risk Assessment in Train Localization
WU Boqian, CAI Baigen, LU Debiao, WANG Jian
2020, 55(6): 1191-1198. doi: 10.3969/j.issn.0258-2724.20190981
Abstract:
Risk assessment of global navigation satellite system (GNSS) used in train localization services is essential to fulfilling safety requirements. In this work, GNSS and inertial navigation system (INS) are integrated to build train localization units. The fault detection and identification is realize...
Automatic Volume Calculation System for Sand and Gravel Carried by Ship Based on LiDAR Point Cloud
ZHU Qing, WANG Dengxing, WANG Feng, XIE Xiao, HU Han, HUANG Shuang
2020, 55(6): 1199-1206. doi: 10.3969/j.issn.0258-2724.20181051
Abstract:
The current volume calculation method of sand and gravel carried by ship mainly relies on manual weighing and waybill transfer, which has the problem of low precision and low efficiency. To deal with this, an automatic volume calculation system of sand and gravel carried by ship is developed on the ...
Seismic Damage Evolution Simulation of Long-Span Deck Steel Truss Arch Bridge
LI Xiaozhen, LIU Ming, YANG Dehai, DAI Shengyong, XIAO Lin
2020, 55(6): 1207-1214, 1223. doi: 10.3969/j.issn.0258-2724.20180665
Abstract:
To evaluate the damage state of a long-span steel arch bridge under multi-dimensional earthquake loadings, a deck steel truss arch bridge was studied. A bridge elastoplastic fiber element model was established by OpenSEES code. Two damage index, i.e., strain and two-parameter damage index were selec...
Shaking Table Test and Numerical Simulation of Shield Tunnel Connecting Cross Passage
GENG Ping, YANG Qi, HE Yue, HE Chuan, GUO Xiangyu
2020, 55(6): 1215-1223. doi: 10.3969/j.issn.0258-2724.20180982
Abstract:
The shield tunnel and cross passage forming a spatial cross structure, is a weak link in the seismic resistance. To study the influence of the rigid and flexible connection forms on the shield tunnels in seismic response, the material parameters and proportions of the similar models in the shaking t...
Influencing Factors Analysis of Seismic Responses of Water Immersed Tunnel
CUI Jie, LU Yaobo, QÜ Jianxin, LI Yadong
2020, 55(6): 1224-1230. doi: 10.3969/j.issn.0258-2724.20180875
Abstract:
In order to study the seismic response of immersed tunnels with different joints and under overlying water, large scaled shaking table tests and immersed tunnels seismic response simulations were carried out. The main material of immersed tunnels model was granular concrete. The model scale ratio de...
Effect of Key Block Position on Straight Assembling Segmental Lining Structure under High Water Pressure
LIANG Kun, FENG Kun, XIAO Shu, HE Chuan, ZHANG Xiaoyang, CHEN Songtao, SU Ang
2020, 55(6): 1231-1239. doi: 10.3969/j.issn.0258-2724.20190569
Abstract:
In order to find out the influence of the key block position on the mechanical behavior of the segmental structure of a shield tunnel, based on the Sutong GIL (gas-insulated transmission) integrated pipe gallery tunnel project, two typical working conditions, i.e., the key block being located at the...
In-situ Experimental Study on Bearing Characteristics of Deep-Buried Tunnel Anchorage in Fractured Rock Mass
GUO Xifeng, WANG Zhonghao, WU Xiangchao
2020, 55(6): 1240-1246. doi: 10.3969/j.issn.0258-2724.20191077
Abstract:
In order to study the bearing characteristics of the deep-buried tunnel anchorage in the fractured rock mass, and in the engineering background of Luding Dadu river Bridge, according to the peak shear strength parameters of the contact surface between concrete and rock mass obtained by in-situ test,...
Experimental Study on Discharge and Energy Dissipation of Baffle-Drop Shaft in Deep Tunnel Drainage System
YANG Qian, YANG Qinghua, ZHENG Lining, TIAN Qiang, LIU Yongquan, YAO Jintao, MU Yi, YAO Yuan
2020, 55(6): 1247-1256. doi: 10.3969/j.issn.0258-2724.20190324
Abstract:
In order to study the transition characteristics with the high-speed air-water flow in the drop shaft of a deep tunnel drainage system, a hydraulic model test was conducted to observe the flow patterns in the process of drop shaft discharge, analyze the relationship between the maximum discharge and...
Experimental Study on Creep Characteristics of Structural Soft Clay under Lateral Unloading Condition
JIA Mincai, ZHAO Shun, ZHANG Zhen
2020, 55(6): 1257-1263. doi: 10.3969/j.issn.0258-2724.20180718
Abstract:
Triaxial undrained creep tests under lateral unloading condition were carried out on the soft clay obtained from Ruian, Wenzhou, China to study the influence of lateral unloading path and structural properties on time-strain curves, isochronous curves and other typical creep properties. A creep stab...
Gradation of Subgrade Soil and Its Salt-Resistance Effect in Salt Lake Area in Qinghai
ZHANG Wen, LUO Yanzhen, LIU Xin, LI Bin, WANG Longlin, YANG Xiaoxu
2020, 55(6): 1264-1271, 1296. doi: 10.3969/j.issn.0258-2724.20190056
Abstract:
A subgrade project in Qinghai salt lake area, China was in a cold and dry geotechnical environment with strong concealed salt weathering. Taking the natural saline soil samples of the above subgrade construction project and soil samples of the built subgrade structure in Chaka Salt Lake area of Qing...
Temporal and Spatial Variation of Permeability Coefficient of Seasonal Frozen Soil in Western Sichuan
QIN Xiaotong, CUI Kai, MENG Fanyu
2020, 55(6): 1272-1279. doi: 10.3969/j.issn.0258-2724.20200426
Abstract:
The moisture migration caused by freeze-thaw cycle is the main reason for the instability of seasonal frozen soil slope in western Sichuan Province. It is an important means to master the rule of water migration by studying the spatiotemporal variation characteristics of permeability coefficient of ...
Axial Bearing Capacity Analysis of H-Section Steel-Reinforced Recycled Aggregate Concrete Filled Circular Steel Tube Stub Columns
LIU Jian, ZHANG Pengcheng, JIANG Jin, TIAN Yong, LIU Changjiang, CHEN Yuan, ZHANG Shihao, CAO Zhanbin
2020, 55(6): 1280-1286. doi: 10.3969/j.issn.0258-2724.20190244
Abstract:
In order to investigate the axial compressive properties of H-section steel-reinforced recycled aggregate concrete filled circular steel tube stub columns, the axial bearing capacity calculation formula of this kind of member was theoretically derived. Based on limit analysis and twin shear unified ...
Numerical Simulation of Interior Connections of Precast Concrete Frame with Post-Tensioned Tendons
LIAO Xiandong, HU Xiang, ZHANG Shiqian, LIU Yanan, XUE Weichen
2020, 55(6): 1287-1296. doi: 10.3969/j.issn.0258-2724.20180704
Abstract:
In order to solve the problem that bond-slip of new and old concrete interfaces and treatment of shear reinforcement bars are challenges for finite element analysis of precast concrete frame joints, different methods in ABAQUS available for simulating the behavior of new and old concrete interfaces ...
Dynamic Response Analysis of Passive Flexible Protection System under Impact of Rockfalls
LI Huadong, ZUO Mingyu, LI Pu, ZHAO Jinheng
2020, 55(6): 1297-1305. doi: 10.3969/j.issn.0258-2724.20190514
Abstract:
Finite element program ANSYS/LS-DYNA was applied to study the deformation and energy of passive flexible protection system under rockfalls impact. Using the ANSYS/LS-DYNA explicit analysis, dynamic responses of the passive flexible protection system to impact loads of rockfalls in different motion m...
Service Performance of High-Speed EMU Axles Made of 30NiCrMoV12 and EA4T
LI Qiuze, ZHANG Yingchun, CHEN Cheng, ZHANG Minnan, ZHANG Qingsong, DAI Guangze
2020, 55(6): 1306-1312, 1336. doi: 10.3969/j.issn.0258-2724.20191211
Abstract:
In order to gain insight into the mechanical behaviors of China’s high-speed EMU (electric multiple unit) axles made of 30NiCrMoV12 and EA4T, both the in-serving and over-served axles were examined in their chemical composition, conventional tensile strength, fatigue, impact toughness, fracture toug...
Influence of Wheelset Flexibility on Dynamic Response of Linear Induction Motor Vehicles
YANG Yunfan, ZHOU Qing, GONG Lei, LU Wenjiao, WEN Zefeng
2020, 55(6): 1313-1319. doi: 10.3969/j.issn.0258-2724.20180866
Abstract:
Linear induction motor (LIM) metro vehicles adopt either inside or outside axle boxes. Aiming at two kinds of LIM metro vehicles, the LIM vehicle-track coupling dynamic model was established respectively, in which the wheel axle was modeled as Euler beam, and the effect of the wheelset flexible defo...
Similarity of Small-Scale Wheelset-Track Model for Investigation of Rail Corrugation
KANG Xi, CHEN Guangxiong, LÜ Jinzhou, ZHAO Xiaonan, WU Bowen, ZHU Qi
2020, 55(6): 1320-1327. doi: 10.3969/j.issn.0258-2724.20180898
Abstract:
In order to study rail corrugation on sharp metro curved tracks, based on the theory that the friction-induced vibration causes rail corrugation, the similarity between a full-scale and a small-scale wheelset-track models was studied. Firstly, to determine if the wheel-rail creep force was saturated...
Laser Visual Dynamic Measurement of Rail Wear on Complete Profile
LI Wentao, WANG Peijun, WANG Meng, CHEN Peng, LI Bailin
2020, 55(6): 1328-1336. doi: 10.3969/j.issn.0258-2724.20180821
Abstract:
Rail wear directly affects the safety of the railway transportation. To replace the current manual measurement methods and improve the measurement accuracy and efficiency, a laser rail full-profile visual measurement system was researched and designed to realize the dynamic measurement of rail wear....
Finite Element Analysis of Rolling Strengthening Process for Wheel Tread of High-Speed Trains
ZHAO Jizhong, XU Xiang, DING Li, KAN Qianhua, KANG Guozheng
2020, 55(6): 1337-1347. doi: 10.3969/j.issn.0258-2724.20180803
Abstract:
To improve the wheel tread strength and service life of high-speed trains after reprofiling, the numerical simulation of rolling strengthening for the wheel tread was carried out, and the process parameters of rolling strengthening were optimized. Focusing on the wheel of the CRH3 high-speed train, ...
Transient Impact Behavior Analysis of Rail Broken Gap on High-Speed Continuous Welded Rail
XU Jingmang, WANG Kai, GAO Yuan, MA Qiantao, DONG Zhiguo, LIU Yibin, WANG Ping
2020, 55(6): 1348-1354. doi: 10.3969/j.issn.0258-2724.20190312
Abstract:
The rail of seamless track may break and form a broken gap at the weld and its heat affected zone under temperature force. In order to study the influence of rail broken gap on train operation, the wheel-rail contact force characteristics and the high-frequency dynamic response of the material is an...
Analysis of Rolling Contact between Wheel and Rail in Switch Area
LI Jincheng, DING Junjun, NIU Yuecheng, LI Fu, WU Pengpeng
2020, 55(6): 1355-1361. doi: 10.3969/j.issn.0258-2724.20190199
Abstract:
In order to study the wheel-rail matching relationship and applicability of the classical wheel-rail contact theory in turnout area, the finite element model of the wheel-rail contact in switch area was established, and several calculation programs of the normal force and tangential force on switch ...