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601
A Numerical Study of Railway Ballast Subjected to Direct Shearing Using the Discrete Element Method
Published 2020-01-01“…Railway ballast is a coarse granular material used to carry train loads and provide drainage for the rail tracks. This study presents numerical explorations of the mechanical performance of ballast aggregates subjected to direct shear tests. …”
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602
Optimal Integrated Model for Feeder Transit Route Design and Frequency-Setting Problem with Stop Selection
Published 2020-01-01“…This study proposed a mathematical model for designing a feeder transit service for improving the service quality and accessibility of transportation hubs (such as airport and rail station). The proposed model featured an integrated framework, which simultaneously guided passengers to reach their nearest stops to get on and off the bus, designed routes to transport passengers from these selected pick-up stops to the transportation hubs, and calculated their departure frequencies. …”
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603
Decarbonizing transport: The role of hydrogen fuel cell electric vehicles in reducing emissions
Published 2024-01-01“…The research results show an increase in HFCEV sales recently (but far below the level of battery electric vehicles), concerns about the introduction of hydrogen in all transport sectors (road, rail, sea or air), still limited distribution of the infrastructure refuelling, and high production costs. …”
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604
Effect of Cement Asphalt Mortar Debonding on Dynamic Properties of CRTS II Slab Ballastless Track
Published 2014-01-01“…In order to analyze the influence of mortar debonding on the dynamic properties of CRTS II slab ballastless track, a vertical coupling vibration model for a vehicle-track-subgrade system was established on the base of wheel/rail coupling dynamics theory. The effects of different debonding lengths on dynamic response of vehicle and track system were analyzed by using the finite element software. …”
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605
Numerical Analysis of a Train-Bridge System Subjected to Earthquake and Running Safety Evaluation of Moving Train
Published 2016-01-01“…Taking a long span cable-stayed bridge across the Huangpu River as an example, a full three-dimensional finite element model of the train-bridge system was established, in which the soil-bridge and rail-train interactions were considered. Parallel computing based on contact balance was utilized to deal with this large-scale numerical simulation problem. …”
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606
STUDY ON THE INFLUENCE OF THE STRUCTURE PARAMETERS OF THE WOUND CYLINDRICAL HONEYCOMB ON THE ENERGY ABSORPTION CHARACTERISTICS
Published 2022-01-01“…This paper has done a more detailed study on the three parameters that affect the strength of the cylindrical honeycomb, which provides new ideas and theoretical support for the energy-absorbing components of the passive safety protection of rail transit.…”
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607
Study on Deformation Law of Subway Construction under Passing Existing Line in Short Distance
Published 2021-01-01“…With the large-scale development and utilization of underground space projects, the subway-led Rail Transit Project is developing vigorously, and the safety and stability of subway under passing existing projects have become a key issue for the future. …”
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608
A Probabilistic Assessment Model for Train-Bridge Systems: Special Attention on Track Irregularities
Published 2021-01-01“…In this paper, a probabilistic model devoted to investigating the dynamic behaviors of train-bridge systems subjected to random track irregularities is presented, in which a train-ballasted track-bridge coupled model with nonlinear wheel-rail contacts is introduced, and then a new approach for simulating a random field of track irregularities is developed; moreover, the probability density evolution method is used to describe the probability transmission from excitation inputs to response outputs; finally, extended analysis from three aspects, that is, stochastic analysis, reliability analysis, and correlation analysis, are conducted on the evaluation and application of the proposed model. …”
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609
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610
Berço manuelino from the wreck of Santiago
Published 2024-12-01“… The breech-loading rail guns appeared in Europe in the 15th century, and in the next century they were widely used as light naval artillery. …”
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611
Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics
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612
Documentaire et fiction dans Norteado de Rigoberto Perezcano
Published 2012-09-01“…From the 1950s and continuing to today, numerous cinematographers have railed against the tragic fate of these thousands of migrants. …”
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613
Analysis and Control of Abnormal Vibration of End Wall on High-Speed Electric Multiple Units
Published 2022-01-01“…The corresponding peak value at 40 Hz of the vehicle body end wall vibration spectrum is reduced by 85%, and the peak noise is reduced by 12%, The correctness of the mechanism analysis of abnormal vibration in the headwall area is verified, which provides a reference basis for guiding the structural optimization and operation and maintenance of rail vehicles.…”
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614
Mesoscopic Characteristics on Cracks of Three-Point Bending RC Beam with Corroded Reinforcement
Published 2020-01-01Get full text
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615
Stability Analysis of the New Traffic Flow Lattice Model considering Taillight Effect and Speed Deviation
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616
Compression Algorithm of Road Traffic Spatial Data Based on LZW Encoding
Published 2017-01-01Get full text
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617
I know better: Self-esteem, egocentrism, and policy learning in the liberalization of Belgian network industries
Published 2024-09-01“…., their tendency to confuse their subjective perceptions with objective reality and to disqualify the perceptions of others.Based on regression analyses of a 2012 survey of 255 Belgian policy actors who had been involved in the European liberalization process of the rail and electricity sectors, the findings suggest that policy actors who score higher on self-esteem or egocentrism feel that they “know better”: they align their policy preferences to new policy information less than policy actors who score lower. …”
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618
Carbon-tax implementation in Indonesia: a social accounting matrix analysis
Published 2025-12-01“…Using the Indonesian Social Accounting Matrix (SAM) 2015, as well as the price-multiplier matrix in the simulations, the results show that, of all production sectors, the carbon tax had the most substantial impact on the electricity sector, followed by energy-intensive sectors and rail transportation. We found that the impact of the carbon tax is more detrimental to urban households than rural households. …”
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619
Development of a Relationship between Pavement Condition Index and International Roughness Index in Rural Road Network
Published 2021-01-01“…Furthermore, two failures of rail R.C. and rutting were rarely observed in the studied roads. …”
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620
Estimation of Wheelset Natural Vibration Characteristics Based on Transfer Matrix Method with Various Elastic Beam Models
Published 2021-01-01“…The elastic vibration of the wheelset is a potential factor inducing wheel-rail defects. It is important to understand the natural vibration characteristics of the flexible wheelset for slowing down the defect growth. …”
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