VIADUCT

作品数：19被引量：36H指数：3
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Application and optimization design of non-obstructive particle damping-phononic crystal vibration isolator in viaduct structure-borne noise reduction
《Journal of Central South University》2024年第7期2513-2531,共19页SHI Duo-jia ZHAO Cai-you ZHANG Xin-hao ZHENG Jun-yuan WEI Na-chao WANG Ping 
Project(51978585)supported by the National Natural Science Foundation,China;Project(2022YFB2603404)supported by the National Key Research and Development Program,China;Project(U1734207)supported by the High-speed Rail Joint Fund Key Projects of Basic Research,China;Project(2023NSFSC1975)supported by the Sichuan Nature and Science Foundation Innovation Research Group Project,China。
The problems associated with vibrations of viaducts and low-frequency structural noise radiation caused by train excitation continue to increase in importance.A new floating-slab track vibration isolator-non-obstructi...
关键词：non-obstructive particle damping phononic crystal vibration isolator band gap optimization floating-slab track bridge structure-borne noise control particle swarm optimization 
Aerodynamic Features of High-Speed Maglev Trains with Different Marshaling Lengths Running on a Viaduct under Crosswinds
《Computer Modeling in Engineering & Sciences》2024年第7期975-996,共22页Zun-Di Huang Zhen-Bin Zhou Ning Chang Zheng-Wei Chen Su-Mei Wang 
supported by Wuyi University Hong Kong and Macao Joint Research and Development Fund(GrantsNos.2021WGALH15,2019WGALH17,2019WGALH15);the National Natural Science Foundation of China-Guangdong Joint Fund(GrantsNo.2019A1515111052);the National Natural Science Foundation of China(Grant No.52202426);a grant from the Research Grants Council(RGC)of the Hong Kong Special Administrative Region(SAR),China(Grants No.15205723);a grant from the Hong Kong Polytechnic University(Grant No.P0045325).
The safety and stability of high-speed maglev trains traveling on viaducts in crosswinds critically depend on their aerodynamic characteristics.Therefore,this paper uses an improved delayed detached eddy simulation(ID...
关键词：High-speed maglev train marshaling lengths crosswinds aerodynamic features 
A substructure approach for analyzing pile foundation and soil vibrations due to train running over viaduct and its validation被引量：1
《Railway Engineering Science》2022年第4期468-481,共14页Ying Wu Xuecheng Bian Chong Cheng Jianqun Jiang 
supported by the National Natural Science Foundation of China(Nos.52125803,51988101 and 52008369)。
An efficient computational approach based on substructure methodology is proposed to analyze the viaduct-pile foundation-soil dynamic interaction under train loads.Thetrain-viaductsubsystemissolvedusingthe dynamic sti...
关键词：Train moving load VIADUCT Pile foundation SOIL VIBRATION Substructure method 
Numerical modelling of vibration response in loess hills due to a high-speed train on railway viaduct
《Research in Cold and Arid Regions》2022年第5期329-337,共9页WuJian Yan Hang Zhang HaiZhong Zheng ZhiJian Wu XinXin Tian 
supported by Science and Technology Project of State Grid Corporation of China(Grant No.5200-202230098A1-1-ZN)。
In order to accurately analyze vibration characteristics and site effects of loess hills under moving load of a highspeed train,four types of loess hill models under railway viaduct was established by ABAQUS of finite...
关键词：High-speed train Moving load Loess field Finite element method Dynamic response 
Numerical study of reactive pollutants diffusion in urban street canyons with a viaduct被引量：1
《Building Simulation》2022年第7期1227-1241,共15页Tingzhen Ming Cao Nie Wenyu Li Xin Kang Yongjia Wu Mengjie Zhang Chong Peng 
This research was supported by the National Key Research and Development Plan(Key Special Project of Intergovernmental National Scientific and Technological Innovation Cooperation,No.2019YFE0197500);National Natural Science Foundation of China(No.51778511,No.51778253);the European Commission H2020 Marie S Curie Research and Innovation Staff Exchange(RISE)award(No.871998);Hubei Provincial Natural Science Foundation of China(No.2018CFA029);Key Project of ESI Discipline Development of Wuhan University of Technology(No.2017001);the Fundamental Research Funds for the Central Universities(No.2019IVB082)。
In this paper,the influences of the ambient wind speed and the height and width of a viaduct in a 2-dimensional street canyon on the diffusion of reactive pollutants emitted by motor vehicles were investigated using c...
关键词：street canyon VIADUCT reactive pollutant-photochemical reaction CFD 
Discrete-Event Simulation of Viaduct Construction Methods in Riyadh Metro
《Journal of Civil Engineering and Architecture》2021年第12期604-613,共10页Khalid S.Al-Gahtani Ibrahim A.Al-Sulaihi Hassan T.Al-Assafi 
The Riyadh metro project is one of the current megaprojects that aim to improve the transit systems in Saudi Arabia.It consists of several metro lines with a total length of 176 km and 85 stations.The viaducts are con...
关键词：SIMULATION VIADUCT CONSTRUCTION ANYLOGIC discrete event Riyadh metro 
Analysis of Propagation Characteristics of Electromagnetic Disturbance from the Off-Line of Pantograph-Catenary in High-Speed Railway Viaducts被引量：2
《Chinese Journal of Electronics》2020年第5期966-972,共7页LI Meng WEN Yinghong SUN Xiaokang WANG Guodong 
supported by the National Natural Science Foundation of China(No.U1734203,No.61631013);the Science and Tecnology Project of Beijing(No.Z181100001018032).
Pantograph arcing caused by Off-line of pan to graph-ca tenary(OLPC)will generate Electromagnetic disturbance(EMD),which will aflfect train control system and communication system.This paper proposes a simplified mode...
关键词：Electromagnetic disturbance(EMD) Off-line of pan to graph-catenary(OLPC) Propaga tion Measurement Viaduct. 
Prediction and mitigation analysis of ground vibration caused by running high-speed trains on rigid-frame viaducts被引量：9
《Earthquake Engineering and Engineering Vibration》2016年第1期31-47,共17页Liangming Sun Weiping Xie Xingwen He Toshiro Hayashikawa 
Doctoral Scientific Research Startup Foundation of Wuhan University of Technology,China(No.40120246);Hubei Key Laboratory of Roadway Bridge and Structure Engineering(Wuhan University of Technology)(No.DQJJ201505)
In this study a 3D numerical analysis approach is developed to predict the ground vibration around rigid-frame viaducts induced by running high-speed trains. The train-bridge-ground interaction system is divided into ...
关键词：ground vibration rigid-frame viaduct train-bridge interaction vibration countermeasure reduction VAL 
Key technologies of precision demolition blasting of ultra-long urban viaduct in complicated surroundings被引量：1
《Engineering Sciences》2014年第6期71-79,共9页Xie Xianqi Jia Yongsheng Yao Yingkang Sun Jinshan Wu Xinxia Liu Changbang 
The key technologies of precision blasting were put forward based on the characteristics of urban via- duct blasting demolition in complicated surroundings. Initial bending instability mechanics model of reinforcing s...
关键词：VIADUCT blasting demolition precision blasting instability model detonating network harmfuleffects control 
Non-stationary channel characterization for high-speed railway under viaduct scenarios被引量：3
《Chinese Science Bulletin》2014年第35期4988-4998,共11页Liu Liu Cheng Tao Rongchen Sun Houjin Chen Zihuai Lin 
supported in part by the National Natural Foundation of Chinese Project(61032002,61371070);Open Research Fund of National Mobile Communications Research Laboratory,Southeast University(2012D07)
Non-stationary properties based on Markov chains are provided to characterize the wireless propagation mechanism of high-speed railway(HSR) under viaduct scenarios.This Markov modeling method reveals the temporal stat...
关键词：通道特性 高速铁路 高架桥 马尔可夫链 转移概率矩阵 非平稳性 传播机制 多径分量 
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