西南交通大学学报

Dynamic Response Study on Shallow Circular Composite-Lining Tunnels

GAO Bo, WANG Shuaishuai

2016, 29(4): 599-606. doi: 10.3969/j.issn.0258-2724.2016.04.001

[Abstract](614)

Abstract:
To investigate the dynamic response of shallow buried composite-lining tunnels, series solution of the dynamic stress concentration factor of double linings cylindrical cavities in an half elastic space were presented using the Fourier-Besselh method, as cavities were subjected to incident plane SV ...

Aerodynamic Effect Induced by High-Speed Train Entering into Tunnel in High Altitude Area

LUO Jianjun

2016, 29(4): 607-614. doi: 10.3969/j.issn.0258-2724.2016.04.002

[Abstract](707)

Abstract:
According to high altitude and low temperature climate conditions of midwestern and southwestern dangerous regions of China, a numerical simulation method of three dimensional compressible, viscous and unsteady compression waves induced by a high-speed train entering a tunnel was presented and aerod...

Experimental Study on Pedestrian Behavior and Traffic Capacity of Cross Passage in Highway Tunnel

ZHANG Yuchun, XIANG Yue, HE Chuan, ZHANG Di, TANG Yuan

2016, 29(4): 615-620. doi: 10.3969/j.issn.0258-2724.2016.04.003

[Abstract](607)

Abstract:
In order to provide a foundation for cross passage design and fire risk evaluation in highway tunnel, an experimental platform of pedestrian evacuation from cross passages in highway tunnel was built and a software based on video image was developed to analyze pedestrian trajectories in the evacuati...

Experimental Study on PBL Shear Connectors of Steel-Concrete Composite Bridge Considering Transverse Prestressing

ZHU Bing, WANG Xuewei

2016, 29(4): 621-631. doi: 10.3969/j.issn.0258-2724.2016.04.004

[Abstract](628)

Abstract:
In order to study the shear capacity and its influencing factors of PBL shear connectors for steel-concrete composite girder bridges, 33 specimens in 13 groups of three types were designed for push-out tests conducted in Xiaoshagou Bridge in Lanzhou, China. The failure modes, failure mechanisms, and...

Dynamic Response of Superstructure of Prestressed Box-Girder Bridge to Over-High Truck Impact

TIAN Li, FENG Zhenning

2016, 29(4): 632-638. doi: 10.3969/j.issn.0258-2724.2016.04.005

[Abstract](631)

Abstract:
In order to reveal the damage of the prestressed box-girder bridge caused by over high truck impact, a comparative analysis between a numerical simulation and an impact experiment was conducted to study the dynamic response of the superstructure of a box-girder bridge. A three-dimensional separation...

Fatigue Life Prediction and Parameter Analysis of Girder New Detail

LIAO Ping, XIAO Lin, WEI Xing, ZHAO Renda, TANG Jishun

2016, 29(4): 639-644. doi: 10.3969/j.issn.0258-2724.2016.04.006

[Abstract](627)

Abstract:
In order to study the influence of the cope hole radius, shape and fillet weld size of the new detail of Hutong Railway Yangtze River Bridge girder on fatigue performance, the hot spot stress method was used to predict fatigue life, and the calculation results were compared with the experiment resul...

Influence of Tire Cornering Property on Ride Comfort Evaluation of Vehicles on Bridge

CHEN Ning, LI Yongle, XIANG Tianyu

2016, 29(4): 645-653. doi: 10.3969/j.issn.0258-2724.2016.04.007

[Abstract](601)

Abstract:
Vehicles driving on bridges under crosswind are affected simultaneously by the cornering force generated from the cornering property of tire and vibration responses of bridges, and the driver and passengers are prone to suffer the degradation of ride comfort. First, the cornering force expression of...

Numerical Simulation of Effect of Mountainous Topography on Wind Field at Bridge Site

YU Jianhan, LI Mingshui, LIAO Haili

2016, 29(4): 654-662. doi: 10.3969/j.issn.0258-2724.2016.04.008

[Abstract](697)

Abstract:
The influence of topographic features of mountainous area on the wind field distribution at bridge sites was investigated with a computational fluid dynamics software FLUENT by taking a long-span bridge crossing a deep valley as an engineering example. The simulation method was verified by comparing...

Method of Short-Term Wind Speed Forecasting Based on Generalized Autoregressive Conditional Heteroscedasticity Model

JIANG Yan, HUANG Guoqing, PENG Xinyan, LI Yongle

2016, 29(4): 663-669,742. doi: 10.3969/j.issn.0258-2724.2016.04.009

[Abstract](663)

Abstract:
In order to improve the security of the train operation, a short-term wind speed forecasting method was proposed based on a linear recursive auto-regressive integrated moving average (ARIMA) algorithm and a non-linear recursive generalized auto-regressive conditionally heteroscedastic (GARCH) algori...

Numerical Model of Asphalt Pavement Considering Transversely Isotropic Fatigue Damage

LIU Junqing, LI Qian, WANG Baoshi

2016, 29(4): 670-676. doi: 10.3969/j.issn.0258-2724.2016.04.010

[Abstract](635)

Abstract:
In order to study the fatigue damage in asphalt pavement, the damage that occurred in the tensile zone of pavement structure was assumed as being transversely isotropic. Based on this assumption, the asphalt pavement constitutive equation considering the transversely isotropic fatigue damage was der...

Effect of Notch and Tack Coat on the Interface Shear Performance between Asphalt Layers

LIU Hongpo, QIU Yanjun, JIANG Xin

2016, 29(4): 677-683. doi: 10.3969/j.issn.0258-2724.2016.04.011

[Abstract](553)

Abstract:
In order to evaluate the important order and significance of the type of asphalt mixtures (A) on both sides of the interface of pavement surface course, the notch (B) in the interface, the tack coat (C), and the two-way interactions (AB, AC and BC) of the three factors that influence the interlayer ...

Predictive Model of Subgrade Deformation Beneath Aluminum Sandwich Panel

ZHOU Shaohui, CAI Liangcai, XU Wei, CEN Guoping

2016, 29(4): 684-689. doi: 10.3969/j.issn.0258-2724.2016.04.012

[Abstract](633)

Abstract:
In order to study the subgrade deformation beneath the sandwich panel which was subjected to repeated aircraft load, four aluminum honeycomb sandwich panels with different thickness and strength were trafficked and the soil plastic deformation was surveyed. The performance data were analyzed and pre...

Seismic Performance of Short-Pier Shear Walls:Theoretical Analysis and Numerical Simulation

LIU Chengqing, WEI Xiaodan, NI Xiangyong

2016, 29(4): 690-696. doi: 10.3969/j.issn.0258-2724.2016.04.013

[Abstract](610)

Abstract:
To research the seismic performance of short-pier shear walls, firstly, influences of the constraints at the edges were considered, and the theoretical calculation equations of the ultimate axial compression ratio were established based on the plane section assumption and critical reinforcement of s...

Stability Analysis of Reinforced Earth Retaining Wall under Earthquake

JIA Liang, ZHU Yanpeng, LAI Chunjing

2016, 29(4): 697-703. doi: 10.3969/j.issn.0258-2724.2016.04.014

[Abstract](670)

Abstract:
To calculate the stability factor of reinforced earth retaining wall under earthquake, a stability analysis model was set up based on the upper bound limit theory by considering the effect of the reinforcement strip and selecting the logarithmic spiral as the integral slip surface. The stability fac...

Evaluation Methods for Post-Earthquake Damage State of Ancient Masonry Buildings

PAN Yi, LI Lingjiao, YAO Yunyi, WANG Huiqin

2016, 29(4): 704-713. doi: 10.3969/j.issn.0258-2724.2016.04.015

[Abstract](614)

Abstract:
Evaluating the damage sate of ancient masonry buildings after earthquake involves many impact factors which are uncertain and correlated. In order to evaluate accurately the post-earthquake damage state of ancient masonry buildings, an ancient masonry building is divided into subsoil, foundation, an...

Failure Mechanism of Civil Membrane-Structure Architecture with Gas Rib

HE Taibi, WANG Shuai, YAN Qipeng, ZHANG Qianwen, YUAN Ye

2016, 29(4): 714-720. doi: 10.3969/j.issn.0258-2724.2016.04.016

[Abstract](623)

Abstract:
In order to study the stability of a long-span membrane structure in varied environment, tensile tests of the membrane materials were carried out. A 1:1 geometric model of the membrane structure architecture was established using SOLIDWORKS software. Based on the finite element theory, a static anal...

Research on Grids Width of Herringbone Water-Sediment Separation Structure for Debris Flow Defense

XIE Tao, WEI Fangqiang, YANG Hongjuan, XIE Xiangping

2016, 29(4): 721-728. doi: 10.3969/j.issn.0258-2724.2016.04.017

[Abstract](600)

Abstract:
A new herringbone water-sediment separation structure was designed to separate coarse sediment from debris flow. The width of water-sediment separation grids is key to separation effectiveness. A formula for grids width was proposed by theoretical analysis, A optimal width discriminant of grids was ...

Mechanical Behavior of Cemented Sand Considering Particle Breakage

LI Bo, CHEN Yulong

2016, 29(4): 729-735. doi: 10.3969/j.issn.0258-2724.2016.04.018

[Abstract](635)

Abstract:
In order to study the effect of bonding proportion on behaviors of cemented sand combined with particle breakage effect, the conception of particle breakage was introduced and cemented sand behaviors were studied by numerical simulation with the built contact bond model in PFC3D. A series of triaxia...

Algorithm for Eliminating Interactions Between Fundamental Wave and Harmonics in Phasor Estimation

LIANG Jianying, LIU Zhiming

2016, 29(4): 736-742. doi: 10.3969/j.issn.0258-2724.2016.04.019

[Abstract](557)

Abstract:
The fundamental and harmonic component of signal would interact between each other, leading to the measurement deviation. Thus, an algorithm was proposed, which is able to simultaneously measure both fundamental and harmonic waves and eliminate their interactions. First, the Taylor model was used to...

Prediction of Traction Load for New Electrified Railway

ZHANG Liyan, LI Qunzhan, ZHU Yi

2016, 29(4): 743-749. doi: 10.3969/j.issn.0258-2724.2016.04.020

[Abstract](606)

Abstract:
A statistical forecasting method based on the measured data is proposed to evaluate the influence of a new electrified railway on the power quality of power grid. Through analysis of statistical distribution characteristics of a large number of traction load test data, parameters such as the charged...

Starting Characteristics of Linear Motor in Evacuated Tube HTS Side-Suspended Maglev System

ZHOU Dajin, CUI Chenyu, MA Jiaqing, ZHAO Lifeng, ZHANG Yong, ZHAO Yong

2016, 29(4): 750-758. doi: 10.3969/j.issn.0258-2724.2016.04.021

[Abstract](525)

Abstract:
In order to gain a greater starting thrust and higher running acceleration in evacuated tube HTS (high temperature superconductor) side-suspended maglev vehicle, and improve running stability at high speeds, a 2D simulation model for linear motor was established by studying the driving system of eva...

Robot Visual Servoing Control Based on Redundant Features of Sub-pixel Accuracy

ZHANG Guoliang, WANG Zhanni, WANG Tian, DU Jixiang

2016, 29(4): 759-766. doi: 10.3969/j.issn.0258-2724.2016.04.022

[Abstract](586)

Abstract:
To overcome the dependency of a robot visual servoing system on calibration accuracy and pose estimation, a redundant featurebased robot visual servoing control method was proposed via fusing object feature recognition and visual servoing in different stages respectively. Firstly, to address the iss...

Pilot Protection Principle Based on Traveling Wave Amplitude Comparison Considering the Characteristics of Transfer Function

LIU Xingmao, LIN Sheng, ZHENG Gao, HE Zhengyou

2016, 29(4): 767-775. doi: 10.3969/j.issn.0258-2724.2016.04.023

[Abstract](527)

Abstract:
In order to accurately describe the propagation process of traveling wave and its attenuation law in the transmission line, and explore fault information that it carries for the transmission line protection, the equivalent circuit of Thevenin type for the lossy uniform transmission line was analyzed...

Adaptive Optimization of Radio Frequency Identification with Gauss Traversal and Harmony Search Network in Internet of Things

CHEN Liwei, TANG Quanhua

2016, 29(4): 776-784. doi: 10.3969/j.issn.0258-2724.2016.04.024

[Abstract](554)

Abstract:
To handle the large amount of data and complexity in the radio frequency identification process of the Internet of things, and overcome the disadvantages of lower complexity and recognition accuracy in the traditional algorithms, an algorithm was proposed to achieve the adaptive optimization of radi...

Energy Efficiency Resource Reuse for Device-to-Device Communication

LIU Yanping, FANG Xuming

2016, 29(4): 785-791. doi: 10.3969/j.issn.0258-2724.2016.04.025

[Abstract](512)

Abstract:
Energy efficiency is an important problem in mobile communication. Resource reuse and power allocation strategy based on energy efficiency was proposed for energy efficiency resource reuse of D2D (device-to-device) communication coexisting with traditional cellular communication, in which the QoS (q...

Simultaneous Fault Diagnosis Method Based on Improved Sparse Bayesian Extreme Learning Machine

YE Qing, LIU Changhua, PAN Hao

2016, 29(4): 792-799. doi: 10.3969/j.issn.0258-2724.2016.04.026

[Abstract](623)

Abstract:
In order to identify simultaneous faults of the main reducer, an adaptive threshold denoising was adopted for intrinsic mode functions (IMFs) with high frequency and an interval threshold denoising was adopted for IMFs with low frequency, which are obtained from ensemble empirical mode decomposition...

4D Trajectory Prediction and Uncertainty Analysis for Departure Aircraft

ZHANG Junfeng, GE Tengteng, CHEN Qiang, WANG Fei

2016, 29(4): 800-806. doi: 10.3969/j.issn.0258-2724.2016.04.027

[Abstract](714)

Abstract:
In order to accelerate the implementation of trajectory-based operation (TBO), a new four-dimensional (4D) aircraft trajectory prediction approach that is based on aircraft continuous dynamics and discrete dynamics model was presented to predict trajectories of departure aircraft by dividing the dep...

Short-Term Traffic Flow Prediction of Airspace Sectors Based on Bayesian Estimation Theory

CHEN Dan, HU Minghua, ZHANG Honghai, YIN Jianan

2016, 29(4): 807-814. doi: 10.3969/j.issn.0258-2724.2016.04.028

[Abstract](615)

Abstract:
To accurately forecast the air traffic flow distribution in airspace sectors and its development trend in the future, a short-term traffic flow prediction method based on Bayesian estimation theory is proposed. First, the operational history data of various sectors in the airspace system are extract...

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2016 Vol. 29, No. 4