• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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2020 Vol. 55, No. 4

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Polygonal Wheel Detection Model Based on Track Irregularity of High-Speed Railways
WANG Ping, WANG Xin, WANG Yuan, ZHANG Ronghe
2020, 55(4): 681-687. doi: 10.3969/j.issn.0258-2724.20180283
[Abstract](770) [FullText HTML] (452) PDF 1784KB(48)
Abstract:
To detect the amplitudes of polygonal wheels of high-speed railways and better understand the track spectrum, a model based on track irregularity was established for rapidly measuring the amplitude of polygonal wheels. Firstly, the amplitude distribution of polygonal wheels was analyzed within track...
Effect of Flakiness-Elongation Index on Shear Behavior of Railway Ballast
JING Guoqing, QIANG Weile, CHANG Jinxiu, LI Xu
2020, 55(4): 688-694. doi: 10.3969/j.issn.0258-2724.20180677
[Abstract](847) [FullText HTML] (587) PDF 1131KB(31)
Abstract:
In order to investigate the influences of flat and (or) elongated ballasts on direct shear mechanical properties considering the breakage effect, the direct shear tests with different test conditions were conducted to study the effect of the flat and/or elongated ballast content with the analysis of...
Operating Environment and Pollutant Distribution in Xiang’an Undersea Tunnel
WANG Mingnian, WANG Xu, YU Li, DENG Tao
2020, 55(4): 695-703. doi: 10.3969/j.issn.0258-2724.20180714
[Abstract](744) [FullText HTML] (439) PDF 1301KB(18)
Abstract:
In order to clarify the distribution of environmental parameters and pollutants in the urban undersea road tunnel, a field test was carried out for the ventilation effect of Xiamen Xiang'an undersea tunnel. The atmosphere pressure, temperature and humidity, air speed, CO, NO2, and PM concentration i...
Force Characteristics of Longitudinal Joints of Shield Tunnel under Seismic Action
GENG Ping, WANG Qi, GUO Xiangyu, HE Chuan, LU Shujun, XIAO Mingqing
2020, 55(4): 704-712. doi: 10.3969/j.issn.0258-2724.20180634
[Abstract](953) [FullText HTML] (847) PDF 1806KB(27)
Abstract:
The longitudinal joints of shield tunnels are the weak parts of the structure when bearing loads and deformations in practical engineering. A numerical analysis method which analyzes from the whole to the local was put forward based on the mechanical characteristics of the longitudinal joints under ...
Unidirectional Vibration Waterproof Test of Ring Joint of Shield Tunnel under the Action of Earthquake
XIE Hongming, HE Chuan, FENG Kun, LIANG Minfei, LI Ce, AL-SEBAEAI Maged
2020, 55(4): 713-718. doi: 10.3969/j.issn.0258-2724.20180456
[Abstract](676) [FullText HTML] (362) PDF 947KB(21)
Abstract:
In order to study the waterproof performance of the elastic sealing gasket of shield tunnel segment joint under seismic action, on the basis of the large section subsea shield tunnel—Su’ai Channel project in high-intensity seismic region, a unidirectional vibration waterproof test device for segment...
Failure Characteristics and Engineering Application of Layered Rock with Two Pre-existing Non-coplanar Fissures
WANG Jun, LIN Guojin, TANG Xie, XU Guowen, TANG Rui
2020, 55(4): 719-725, 732. doi: 10.3969/j.issn.0258-2724.20180044
[Abstract](647) [FullText HTML] (459) PDF 2595KB(27)
Abstract:
In order to study the failure mechanism of layered rock with pre-existing cracks, a numerical model which is based on particle discrete element method and can reflect the anisotropic characteristics of rock is built. The initiation and propagation of micro-cracks in anisotropic rock with two pre-exi...
Modelling of Velocity Pulse-Like Ground Motions Based on Adaptive Matching Algorithm
YANG Cheng, LIU Jiaxin, TANG Zenan, ZHAO Baihan, XIN Benjian
2020, 55(4): 726-732. doi: 10.3969/j.issn.0258-2724.20190075
[Abstract](650) [FullText HTML] (319) PDF 1157KB(7)
Abstract:
Due to the lack of a complete waveform parameter identification method aiming at the velocity pulse-like ground motions up to now, it is still difficult to identify the pulse-like records quantitatively, which hinders definitely collecting the wave shape parameters from ground motion database. In or...
Experimental Study on Frost Heave, Thaw Settlement and Thermal Properties of Foundation Soils along China-Russia Crude Oil Pipeline
WANG Wei, ZHANG Xifa, LÜ Yan
2020, 55(4): 733-742. doi: 10.3969/j.issn.0258-2724.20180801
[Abstract](717) [FullText HTML] (396) PDF 1173KB(13)
Abstract:
The China-Russia crude oil pipeline is one of the strategic energy channels of China. The pipeline passes through the permafrost region of the Da Hinggan Mountains, where the engineering geological conditions are very complex, especially near the Yilehuli Mountains, and frost heave and thaw settleme...
Number of Earthquake Ground Motion Inputs for Time-History Analysis of Seismic Design Code in China
JI Kun, WEN Ruizhi, REN Yefei, YIN Jianhua
2020, 55(4): 743-751. doi: 10.3969/j.issn.0258-2724.20180604
[Abstract](710) [FullText HTML] (316) PDF 1191KB(21)
Abstract:
This study aims to determine a proper input number of strong motion recordings for structural time-history analysis in China seismic design code. The cumulative probability curves of structural response under different number of records were simulated using 500 times of Monte Carlo samplings based o...
Comparative Analysis of Influence of Foundation on Reinforced Soil Retaining Walls
XU Peng, JIANG Guanlu, WANG Ning, HAN Yijun, WANG Zhimeng, LIU Yong
2020, 55(4): 752-757. doi: 10.3969/j.issn.0258-2724.20180765
[Abstract](646) [FullText HTML] (356) PDF 859KB(19)
Abstract:
Two centrifuge model tests were carried out to study the influence of foundation on reinforced soil retaining wall. Firstly, the similarity scale was obtained using the similarity theory. Then, materials used in model tests were determined according to the scaling law and models with sand and clay f...
Three-Dimensional High-Precision Laser Non-contact Detection of Asphalt Pavement Surface Texture
DING Shihai, YANG Enhui, WANG Chenping, JI Yaying, LEI Kaiyun, ZHANG Xinrui
2020, 55(4): 758-764. doi: 10.3969/j.issn.0258-2724.20181056
[Abstract](886) [FullText HTML] (462) PDF 1894KB(42)
Abstract:
In order to realize the high-precision automatic detection of asphalt pavement textures and the 3D reconstruction of pavement textures with the help of 3D laser technology, a method for measuring the depth of the asphalt pavement structure by simulating the sand patch test was proposed. First, a hig...
Innovative Hysteresis Model and Parameter Identification Method for Reinforced Concrete Rectangular Hollow Piers
LI Jing, SHAO Changjiang, QIAN Yongjiu, YANG Huaping
2020, 55(4): 765-771. doi: 10.3969/j.issn.0258-2724.20190058
[Abstract](729) [FullText HTML] (566) PDF 734KB(34)
Abstract:
In order to precisely simulate the stiffness degradation of RC (reinforcedconcrete) rectangular hollow piers and provide the theoretical base for the research on post-earthquake resilient bridges, 14 RC rectangular hollow pier specimens with different design parameters were tested under semi-static ...
Extreme Value Distribution Estimation Method for Nonlinear Seismic Response of Bridge Structures
CHEN Zhiqiang, ZHENG Shixiong, ZHOU Qiang, CHEN Zhiwei, LI Xi
2020, 55(4): 772-779, 788. doi: 10.3969/j.issn.0258-2724.20180948
[Abstract](694) [FullText HTML] (381) PDF 1164KB(21)
Abstract:
To study the extreme value distribution (EVD) of nonlinear seismic response of bridges subjected to near-fault impulse ground motion and accurately estimates the dynamic reliability of bridges at small failure probability level, an effective method is proposed and validated. Considering the nonlinea...
Separation-Reattachment Flows Characteristics of Rectangular High-Rise Buildings with Different Side Ratios
ZENG Jiadong, LI Mingshui, ZHANG Zhitian, CAO Baozhu
2020, 55(4): 780-788. doi: 10.3969/j.issn.0258-2724.20190259
[Abstract](633) [FullText HTML] (382) PDF 1379KB(21)
Abstract:
To study the influents of turbulence characteristics, side ratio, and spatial position on the separation-reattachment flows of rectangular high-rise buildings, Firstly, the measured data of surface pressure under different conditions were obtained by synchronous pressure tests of rectangular buildin...
Bending Capacity Calculation Method for Corroded Reinforced Concrete Beams
LIU Tingbin, JIA Rubo, ZHANG Chenyu, JIN Wenqiang, ZHAO Jianchang
2020, 55(4): 789-795. doi: 10.3969/j.issn.0258-2724.20190277
[Abstract](5714) [FullText HTML] (5579) PDF 861KB(66)
Abstract:
The corrosion state of longitudinally stressed steel bars in corroded reinforced concrete beams is very complicated. Moreover, the form of the load applied to beams is variable. In order to obtain the bending capacity of corroded RC (reinforced concrete) beams, the corroded RC beam with simple suppo...
Damage Assessment Method for Concrete-Filled Steel Tubular Columns under Impact Loading
WANG Luming, LIU Yanhui, ZHU Wenkai, HE Tingjun, KANG Xiangjie
2020, 55(4): 796-803, 819. doi: 10.3969/j.issn.0258-2724.20181037
[Abstract](710) [FullText HTML] (417) PDF 1710KB(31)
Abstract:
In order to develop a damage assessment method for concrete-filled steel tubular (CFST) columns subjected to lateral impact, the drop hammer impact tests are carried out on CFST columns near supports. By the use of numerical simulation and theoretical analysis, the effects of pre-loading axial force...
Influence of Biologic Retention Zone Structure on Its Infiltration-Storage
YANG Qian, YANG Qinghua, TANG Xueqin, YAO Yuan, YAO Jintao
2020, 55(4): 804-810. doi: 10.3969/j.issn.0258-2724.20180627
[Abstract](710) [FullText HTML] (284) PDF 826KB(13)
Abstract:
To investigate the influence of structural parameters and combination mode of the biologic retention zone on its infiltration-storage effect, the evaluation index for determining the infiltration-storage effect of biologic retention zone was put forward, and the 16 groups orthogonal experiments unde...
Parallel Interaction Influence of Single-Stage Photovoltaic Grid-Connected Multi-Inverter System
CHEN Weirong, WANG Xuan, LI Qi
2020, 55(4): 811-819. doi: 10.3969/j.issn.0258-2724.20180900
[Abstract](678) [FullText HTML] (684) PDF 1318KB(23)
Abstract:
Under the condition of weak grid, the dynamic interactions between multi-inverters and between multi-inverters and the grid affect the power quality and stability of the power system, which is likely to cause harmonic resonance. In order to study the harmonic resonance characteristics of the single-...
Energy Management Strategy for Trams with Novel Power System
LI Qi, HUANG Wenqiang, SHANG Weilin, ZHU Yanan, SU Bo, CHEN Weirong, LI Ming
2020, 55(4): 820-827. doi: 10.3969/j.issn.0258-2724.20180231
[Abstract](716) [FullText HTML] (278) PDF 1142KB(14)
Abstract:
In order to improve the efficiency of absorbing the braking energy for hybrid trams, an energy management strategy is proposed, which takes into account the initial and final states of charge (SOC) of an energy storage system. The strategy allocates the load power for the hybrid power system by usin...
Review on Fault Diagnosis for Flooding and Drying in Proton Exchange Membrane Fuel Cells
ZHANG Xuexia, JIANG Yu, SUN Tengfei, CHEN Weirong
2020, 55(4): 828-838, 864. doi: 10.3969/j.issn.0258-2724.20190548
[Abstract](1097) [FullText HTML] (374) PDF 638KB(90)
Abstract:
In running proton exchange membrane fuel cells (PEMFCs), the flooding and drying are the most common faults. Firstly, water generation and transfer mechanism in PEMFCs are elaborated, and the impact factors of flooding and drying faults are generalized. The diagnostic indicators for flooding and dry...
Parameters Optimization for Hybrid Energy Storage System of Electric Vehicles Based on Cross-Entropy Algorithm
DAI Chaohua, LIU Yang, HUANG Chenxi, ZHAO Duo, GUO Ai, CHEN Weirong, LIU Nan
2020, 55(4): 839-846. doi: 10.3969/j.issn.0258-2724.20190442
[Abstract](753) [FullText HTML] (372) PDF 1027KB(15)
Abstract:
In order to improve the dynamic performance of electric vehicles and reduce costs, a parameter optimization method for vehicle-mounted hybrid power supply based on cross-entropy (CE) algorithm is explored with the intent of minimizing the hybrid power supply cost and power consumption. Firstly, a hy...
Load Forecasting and Transformer Capacity Optimization for Newly-built Traction Substation
ZHANG Liyan, KONG Zongze, BIAN Liding
2020, 55(4): 847-855. doi: 10.3969/j.issn.0258-2724.20190429
[Abstract](764) [FullText HTML] (289) PDF 1085KB(21)
Abstract:
In order to predict the load of a newly-built traction substation and optimize the traction transformer capacity, Gaussian mixture model was employed for clustering the measured data of traction loads, and then the neural network is introduced to match and assign the new traction load. According to ...
Co-Phase Traction Power Supply and Energy Storage Technology for Electrified Railway
HUANG Xiaohong, ZHAO Yi, LI Qunzhan, LIAO Qinyu, TANG Sida, WANG Xijun
2020, 55(4): 856-864. doi: 10.3969/j.issn.0258-2724.20181083
[Abstract](809) [FullText HTML] (402) PDF 3214KB(34)
Abstract:
In order to further optimize the economical and energy-efficient operation of electrified railway traction substations, a new scheme integrated with co-phase traction power supply and energy storage technology is proposed. Based on train diagrams and historical data, and with the intent of load peak...
Repair Strategies for Failure of Urban Rail Transit Stations
YIN Yong, CHEN Jinqu, ZHU Man, LIU Jie
2020, 55(4): 865-872. doi: 10.3969/j.issn.0258-2724.20191133
[Abstract](804) [FullText HTML] (538) PDF 904KB(30)
Abstract:
In order to improve the ability of urban rail transit (URT) systems to respond to emergencies, the effective repair strategies for URT stations under natural disasters and human attack are discussed. Firstly, the station failure caused by natural disasters and human attack are simulated by random at...
Autonomous Operation Mode of Aircrafts in Tube Air Corridor
YE Bojia, XUE Aolin, WU Xiaoyuan, DONG Yunlong
2020, 55(4): 873-881. doi: 10.3969/j.issn.0258-2724.20180678
[Abstract](551) [FullText HTML] (253) PDF 986KB(19)
Abstract:
To improve the operational efficiency of aircrafts in tube air corridor, reduce flight delays and conflicts, three representative aircraft operation modes were analyzed including, the speed-based mode, speed-independent mode and self-separation mode. Then, an autonomous operation model was built by ...
Collaborative Optimization for Timetable and Maintenance Window Based on Two-Stage Algorithm
XU Chang’an, NI Shaoquan, CHEN Dingjun
2020, 55(4): 882-888. doi: 10.3969/j.issn.0258-2724.20180577
[Abstract](771) [FullText HTML] (347) PDF 801KB(29)
Abstract:
There is mutual coupling between train timetable generation and maintenance window setting. To achieve the purpose of optimizing the train timetable structure and reasonably configuring the railway transportation capacity. According to the dynamic analysis of train timetable generation and maintenan...
Condition Monitoring of Axle Box Bearing Based on Improved Safety Region
ZHAO Congcong, BAI Yang, LIU Yumei, ZHAO Yinghui, SHI Jihong
2020, 55(4): 889-895. doi: 10.3969/j.issn.0258-2724.20180584
[Abstract](689) [FullText HTML] (277) PDF 1467KB(12)
Abstract:
To improve the operating reliability of the axle box bearing of high-speed trains, the safety region theory was introduced into condition monitoring of the axle box bearing. The traditional assessment of the safety region was transformed into determining the boundary values, aiming to avoid the infl...
Adaptive Detection Algorithm for High-Speed Railway Fasteners by Vision
FAN Hong, HOU Yun, LI Bailin, XIONG Ying
2020, 55(4): 896-902. doi: 10.3969/j.issn.0258-2724.20180496
[Abstract](966) [FullText HTML] (370) PDF 1457KB(45)
Abstract:
In order to achieve accurate, rapid and automatic detection of high-speed railway defective fasteners, an adaptive vision detection algorithm for high-speed railway fastener was proposed based on image processing technology. Aiming at the particularity of high-speed railway fastener images, the impr...

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