西南交通大学学报

Review on BIM Technology Used in Urban Rail Transit Projects

NONG Xingzhong, SHI Haiou, YUAN Quan, ZENG Wenqu, ZHENG Qing, DING Guofu

2021, 56(3): 451-460. doi: 10.3969/j.issn.0258-2724.20200018

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Urban rail transit project is a huge complicated system engineering with the properties of multi-major, multi-role, multi-constraint, long period, and large investment. Building information modeling (BIM) is a very effective technology to achieve high efficiency, standardization, low cost, and compr...

Digital Management of Crack Defects Information in Steel Truss Bridges Based on Building Information Modeling

WEI Xing, ZOU Jianhao, XIAO Lin, CHEN Yang, GU Xingyu

2021, 56(3): 461-468, 492. doi: 10.3969/j.issn.0258-2724.20190507

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In order to solve the problem of complex data collection process, poor visualization effect and lack of time-related factors in the traditional bridge defects information management process, the building information modeling (BIM) technology was used to realize the visualization of a steel truss bri...

Optimization on Axis of Arch-Shaped Pylon for High-Speed Railway Cable-Stayed Bridge

SHI Zhou, HU Hao, PU Qianhui, LIU Zhenbiao, YIN Tao

2021, 56(3): 469-476. doi: 10.3969/j.issn.0258-2724.20190892

[Abstract](469)

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In order to resolve the pylon layout difficulty for high speed railway cable-stayed bridges when the bridges span existing traffic lines, rivers and so on with small angles, the arch-shaped pylon was adopted and the optimization on axis of arch-shaped pylon was analyzed based on the fixed point iter...

Hilbert-Huang Transfer Analysis on Vehicle-Induced Vibration Signal of Continuous Bridges Based on ICEEMDAN

XING Shiling, LYU Shuangshuang, ZHU Liming, ZHANG Jia

2021, 56(3): 477-484, 492. doi: 10.3969/j.issn.0258-2724.20190285

[Abstract](759)

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As an improvement of the empirical mode decomposition (EMD), the improved complete ensemble empirical mode decomposition with adaptive noise (ICEEMDAN) has a good application potential in the field of structure damage identification of bridges. In this study, ICEEMDAN and Hilbert transforms were fir...

Buffeting Responses of Single-Tower Cable-Stayed Bridge with Rigid Frame System During Construction

TANG Yu, HU Pan, JIA Hongyu, ZHENG Shixiong, ZHANG Gang

2021, 56(3): 485-492. doi: 10.3969/j.issn.0258-2724.20190848

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In order to estimate bridge buffeting responses more accurately, taking a large cantilever steel box composite girder of a single-tower cable-stayed bridge with rigid frame system under construction as the research object, a comparative study is made to investigate the differences in bridge dynamic ...

Simplified Analysis Method for Deflection of Thin-Walled Box Girder

ZHOU Maoding, LIN Pengzhen, ZHANG Yuanhai, JI Wei

2021, 56(3): 493-499. doi: 10.3969/j.issn.0258-2724.20190523

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In order to find a simplified method for calculating the deflection of the thin-walled box girder under the influence of shear deformation, the flexural deformation of the thin-walled box girder is analyzed on the basis of the unit force method. Firstly, by analyzing the distribution mode of the fle...

Checking and Analysis of Reinforcement Arrangement Scheme for Slab Track Based on Comprehensive Index Method

GAO Liang, ZHAO Wenqiang, ZHONG Yanglong, TONG Fengzhuang

2021, 56(3): 500-509. doi: 10.3969/j.issn.0258-2724.20190358

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To optimize the mechanical performance of the slab track after reinforcement, an evaluation method for track reinforcement was proposed based on comprehensive index method. The shape change energy density and Gaussian curvature were selected as the evaluation components to construct the quantitative...

Chloride Ion Transport in Concrete of Ballastless Track under Fatigue Loading

REN Juanjuan, DU Wei, DENG Shijie, FENG Xiang

2021, 56(3): 510-516. doi: 10.3969/j.issn.0258-2724.20190690

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The chloride ion penetration resistance of concrete structure of ballastless track under fatigue load is one of the main factors affecting its service performance. In order to analyze the variation of chloride ion transport in concrete under fatigue load, the bending fatigue loading test of concrete...

Shaking Table Test for Structural Model with Inclined Column Transfer System

YANG Chun, WU Hongwei, MO Tingwei, CAI Jian, WU Yi, ZUO Zhiliang, CHEN Qingjun, PAN Guangbin

2021, 56(3): 517-525. doi: 10.3969/j.issn.0258-2724.20190104

[Abstract](580)

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To study the seismic performance of a super high-rise building, a shaking table test with a geometrical scale of 1/35 was carried out. Part of frames in the tower structure of the building are supported by two concrete-filled steel tubular (CFST) mega frame columns with duplex-story height, which ar...

Test and Evaluation Method for Filling Quality of Foamed Mixture Lightweight Filler Subgrade

LIU Xin, SUN Dongning, XU Xin, DU Lei, HONG Baoning

2021, 56(3): 526-533. doi: 10.3969/j.issn.0258-2724.20190678

[Abstract](535)

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To evaluate the quality of the foamed mixture lightweight filler subgrade, field tests were performed based on ultrasound technology in a practical project. Wave velocity, amplitude and main frequency were selected as evaluation indicators, and a novel method for detection and evaluation of foamed m...

Bearing Capacity Evaluation of Tunnel-Type Anchorage Based on Artificial Intelligent Algorithm

WANG Zhonghao, GUO Xifeng, YANG Xingyu

2021, 56(3): 534-540. doi: 10.3969/j.issn.0258-2724.20200165

[Abstract](552)

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At present, the tunnel-type anchorage is short of reasonable analytical formula for the evaluation of the bearing capacity, the model test is time-consuming and labor-consuming, and its numerical simulation has poor reliability. To handle the above problems, an artificial intelligence method is pres...

Applicability of Novel Pile-Plank Embankment in Seasonally Frozen Regions

ZHANG Shuming, JIANG Guanlu, DU Dengfeng, LIAO Yilai, XUE Yuan, LI Anhong

2021, 56(3): 541-549. doi: 10.3969/j.issn.0258-2724.20190716

[Abstract](537)

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In order to control the frost heaving damage in the seasonally frozen regions of the Moscow−Kazan high-speed railway, a novel pile-plank subgrades with an insulation board was proposed. Comparing the performance of three kinds of thermal insulation materials, expanded polystyrene (EPS) foam board, p...

Lateral Performance of Semicircular Corrugated Steel Plate Shear Wall with Edge Stiffeners

ZHOU Linli, TAN Ping, TENG Xiaofei

2021, 56(3): 550-557. doi: 10.3969/j.issn.0258-2724.20190319

[Abstract](516)

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A semicircular corrugated steel plate shear wall with edge stiffeners (CSPSW) was proposed to improve the premature buckling and small out of plane stiffness of flat steel plate shear wall. Theoretical elastic initial stiffness and bearing capacity were derived according to the simplified mechanical...

Hydrodynamic Pressures Study of Barrier Lake under Coaction of Earthquake and Clastic Flow Landslide

ZHAO Haixin, YAO Lingkan, HUANG Yidan, SU Yue

2021, 56(3): 558-563. doi: 10.3969/j.issn.0258-2724.20190323

[Abstract](576)

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A shaking table model experiment was designed to study the hydrodynamic pressures of the barrier lake under the action of an earthquake and a clastic flow landslide. Firstly, an experiment was carried to study the hydrodynamic pressure of the barrier lake under the action of an earthquake to obtain ...

Overtopping Failure of Moraine Dams under Action of Earthquake-Induced Resonant Water Surges

ZHANG Cong, YAO Lingkan, HUANG Yidan, SU Yue

2021, 56(3): 564-571. doi: 10.3969/j.issn.0258-2724.20190454

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Shaking table model experiments were designed to study the overtopping failure mechanism of moraine dams under action of earthquake-induced resonant water surges (ERWSs). Firstly, movements of earthquake-triggered surges under resonant and non-resonant conditions were compared to examine the main in...

Pavement Crack Segmentation Algorithm Based on Pulse Coupled Neural Network with Brainstorming Optimization

FAN Xinnan, WANG Jie, SHI Pengfei, LI Min

2021, 56(3): 572-578. doi: 10.3969/j.issn.0258-2724.20190354

[Abstract](409)

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In order to improve the segmentation accuracy and robustness of crack detection, a new segmentation algorithm for pavement crack image is proposed on the basis of brain storming optimization (BSO) and pulse coupled neural network (PCNN). This method uses the maximum entropy criterion as the fitness ...

Weather Classification in Traffic Scene Based on Joint Voting Network

CUI Hongtao, CAO Ke, ZHANG Hu, CUI Xiao

2021, 56(3): 579-586. doi: 10.3969/j.issn.0258-2724.20200084

[Abstract](513)

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Weather classification based on road monitoring images has become an important research topic in intelligent traffic system. With the application of convolutional neural network (CNN), image recognition has been greatly developed. However, the existing deep learning methods still face great challeng...

Formal Method for Behavior Verification and Data Validation of Station Interlocking System

WANG Keming, WANG Xia, CHENG Peng, LIU Ning, ZHANG Chuandong

2021, 56(3): 587-593, 610. doi: 10.3969/j.issn.0258-2724.20191182

[Abstract](562)

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Station interlocking system is a typical safety-critical system driven by data, which needs to verify the system behavior and confirm the correctness of data in the development. After analyzing the design specifications of the interlocking system, the initial system model was built automatically by ...

Efficiency of Traffic Structure Based on SBM-Tobit-GWR Model

CAO Xudong, WANG Jianjun, CHEN Chenchen

2021, 56(3): 594-601. doi: 10.3969/j.issn.0258-2724.20190881

[Abstract](368)

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Under the guidance of resource conservation and ecological environmental protection strategies, in order to improve transportation efficiency, optimize transportation structure, and achieve environmental friendly and sustainable developments of transportation industry, the factors affecting the tran...

Optimization of Wing Rail Lifting Value for Rigid Frog of Speed-Up Turnout

ZHANG Pengfei, ZHU Xudong, LEI Xiaoyan

2021, 56(3): 602-610. doi: 10.3969/j.issn.0258-2724.20190488

[Abstract](693)

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In order to study the influence of the rigid frog structure irregularity on dynamic characteristics of trains passing through the turnout, based on the theory of wheel-rail contact and wheel-rail system dynamics, a frog model of switch and a CRH2 vehicle model under different wing rail lifting desig...

Effect of Rail Hardness on Fatigue Cracks Initiation and Rail Wear

WANG Junping, ZHOU Yu, SHEN Gang

2021, 56(3): 611-618. doi: 10.3969/j.issn.0258-2724.20190184

[Abstract](686)

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In order to study the relationship between rail hardness and rail wear and fatigue cracks initiation life, based on the Archard wear model and the critical plane fatigue cracks initiation prediction model, the prediction method for the coexistence of rail fatigue cracks initiation and wear was prese...

Initiation Cause of Subway Rail Corrugation on Track with Rubber-Booted Short Sleepers

LI Wei, ZHOU Zhijun, WEN Zefeng

2021, 56(3): 619-626. doi: 10.3969/j.issn.0258-2724.20190734

[Abstract](600)

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To investigate initiation cause of short-pitch rail corrugations occurred on curved tracks with rubber-booted short sleepers, field measurement and numerical simulation methods were employed. Firstly, establishment of the relationship for wavelength of the rail corrugation and dynamic behaviour of t...

Effect of Defect on Fatigue Property of EA4T Axle Steel

LI Hang, ZHANG Jiwang, XU Junsheng, SU Kaixin, ZHANG Jinxin, LU Liantao, WU Mingze

2021, 56(3): 627-633. doi: 10.3969/j.issn.0258-2724.20190373

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In order to accurately evaluate the effects of different size defects on the fatigue property of EA4T axle steel, the drilling method was used to artificially introduce defects on the surface of the smooth specimen, and the fatigue test was carried out to obtain the fatigue limits on the smooth spec...

Extreme Value Inference of Axle Stress Spectrum for Intercity EMU

DING Ran, LI Qiang, WANG Wenjing

2021, 56(3): 634-639, 665. doi: 10.3969/j.issn.0258-2724.20190662

[Abstract](663)

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In order to evaluate the reliability and extend stress spectra of axles, the maximum stress during its full life need to be predicted. First, to obtain the empirical cumulative distribution function of axle stress, the bin width of 0.5 MPa is chosen, which is based on the Sturges formula as a tradeo...

Optimal Configuration of Wind-Solar-Hydrogen Multi-Energy Complementary Microgrid with Demand Side

CHEN Weirong, FU Wangxuan, HAN Ying, LI Qi, HUANG Lanjia, XU Chengpeng

2021, 56(3): 640-649. doi: 10.3969/j.issn.0258-2724.20200163

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To optimize the economic cost of multi-energy complementary microgrid, an optimal configuration method is proposed for the wind-solar-hydrogen multi-energy complementary microgrid with demand-side response. First, the operation control strategy is formulated under the relevant power constraints and ...

Current-Carrying Mechanism of New Continuous Cable Traction Power Supply System

ZHANG Liyan, LIANG Shiwen, LI Xin, JIA Ying, HAN Dushuo, LI Qunzhan

2021, 56(3): 650-658. doi: 10.3969/j.issn.0258-2724.20200057

[Abstract](567)

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Continuous cable traction power supply system is free of electrical phase separation and extend power supply distance, dealing with power quality problems effectively. However, cable traction network (CTN) contains different voltage levels, and the fundamental frequency current flows every CTN link ...

Influence of Catenary Stitch Wire Parameters on Dynamic Performance Between Pantograph and Catenary

GUAN Jinfa, TIAN Zhijun, ZHANG Xuewu

2021, 56(3): 659-665. doi: 10.3969/j.issn.0258-2724.20190326

[Abstract](551)

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In order to determine the optimal design values of the catenary stitch wire at different speed levels, the dynamic simulation models of pantograph, catenary and pantograph-catenary contact have been established by finite element method, which correspond to the speed levels of 250 and 350 km/h for Ch...

An NLOS Environment Location Algorithm Based on Geometric Constraint and Iteration

DENG Ping, XIE Xue

2021, 56(3): 666-672. doi: 10.3969/j.issn.0258-2724.20200094

[Abstract](498)

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In non-line-of-sight (NLOS) environments, the traditional optimal localization algorithm is weak against NLOS errors and needs an accurate initial position value to guarantee the algorithm converge. To deal with this, a positioning algorithm based on geometric constraint and iteration in a scenario ...

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2021 Vol. 56, No. 3