Academic literature on the topic 'American Railway Association. Freight cars'

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Journal articles on the topic "American Railway Association. Freight cars"

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ElMaraghy, W. H., and R. V. Dukkipati. "LATERAL STABILITY ANALYSIS OF A RAILWAY TRUCK ON ROLLER RIG." Transactions of the Canadian Society for Mechanical Engineering 21, no. 3 (1997): 317–26. http://dx.doi.org/10.1139/tcsme-1997-0015.

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Generic linear models were developed of a freight car (with a characteristic North American three-piece truck) on tangent track. The models were developed using the generalized multi-body dynamics software MEDYNA. Predictions were made of the theoretical linear model hunting (lateral stability) characteristics of the freight car, i.e., the critical speeds and frequencies, for five different configurations: (a) freight car on track, (b) the freight car’s front truck on the roller stand and its rear truck on track, (c) freight car on the roller rig, (d) a single truck on track and (e) single tru
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Kovic, Christine. "Jumping from A Moving Train: Risk, Migration and Rights at NAFTA's Southern Border." Practicing Anthropology 30, no. 2 (2008): 32–36. http://dx.doi.org/10.17730/praa.30.2.322h537x62451722.

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July 2007. Hundreds of Central American migrants were camped along the railway tracks in Arriaga, Chiapas waiting to for the freight train to leave. Some were eating, perhaps their last food for days, others had bottles of water tied across their shoulders, some attempted to rest under the train cars to escape the hot sun. One young man brushed his teeth under the trees, using the water he carried in a recycled coca-cola bottle, to prepare himself for the journey ahead. Arriaga, a town of 25,000 people, is split in half by the train tracks. The town's tiny plaza, with a small playground, fonda
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Rakoczy, Anna M., Duane E. Otter, and Stephen M. Dick. "Analytical and Measured Effects of Short and Heavy Rail Cars on Railway Bridges in the USA." Applied Sciences 11, no. 7 (2021): 3126. http://dx.doi.org/10.3390/app11073126.

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The overall number of railcars recorded in the North American railcar fleet from 2010 to 2015 increased about 5%; the number of all 130 tonne (286,000 lb) gross weight railcars (heavy axle load (HAL) railcars) increased 19%. The increase in shipments in short railcars increases the loading on railway bridges, especially the 12.8-m railcars, commonly used to ship sand and cement, which is approximately a 25% increase in load per unit length compared to 16.2-m coal cars. Significant differences between maximum effects of shorter railcars and common 16.2-m railcars were predicted in analysis for
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Bastos, Josué C., Alejandro Álvarez-Reyes, Marcus S. Dersch, J. Riley Edwards, and Christopher P. L. Barkan. "Laboratory Characterization of Structural Capacity of North American Heavy Haul Concrete Crossties." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 10 (2018): 116–24. http://dx.doi.org/10.1177/0361198118782250.

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Over the past few decades, the use of concrete crossties in North America has increased as a high-performance alternative to timber crossties, especially in heavy-haul freight and higher speed rail corridors. To accommodate heavier axle-loads and prevent center cracking, railroads and suppliers have consistently increased the bending moment thresholds that a crosstie must withstand, leading to stiffer elements that may be more prone to brittle cracking. This paper attempts to characterize the structural capacity of the crosstie at two critical design locations, the center and the rail seat cro
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Shukla, S., U. Kumar, S. K. Sharma, P. Gupta, and A. Kumar. "Light Weight Freight Rolling Stock Bogie Frame: Design Methodology Validated with Field Oscillation Trials." International Journal of Vehicle Structures and Systems 9, no. 4 (2017). http://dx.doi.org/10.4273/ijvss.9.4.10.

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Indian railway has improved the laden to tare weight ratio by producing lighter as well as higher strength bogie frame of freight rolling stock. Bogie frame is the crucial component of the rail vehicle which carries static load in the form of gross weight and dynamic loads arising from various track and wheel irregularities. The three piece freight vehicle bogie frame comprises two side frames and one bolster. The side frame; fitted with three piece bogie frame and responsible for the ride quality of the freight vehicle, is considered in present study. The locations suitable for weight reducti
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Singh, Parbant, and S. P. Harsha. "Finite Element Analysis of Cartridge Tapered Roller Bearing of Freight Wagon." International Journal of Vehicle Structures and Systems 10, no. 3 (2018). http://dx.doi.org/10.4273/ijvss.10.3.04.

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Freight trains run under high service loads during consignment loading and operation so tapered roller bearings are ideally suited to wheel bearing applications. The tapered roller bearings used in the railway industry are of a standard design fixed by the American Association of Railroads regulations. Nowadays rail industry improves the train operating speeds, which means that failure of a bearing will result into a derailment, affecting human lives, network disruption, and damage to the railroad, unplanned maintenance costs, and generating fear in general public about rail transport. So the
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Li, Dingqing, and Stephen Wilk. "Recent studies on railway-track substructure at TTCI." Transportation Safety and Environment, December 9, 2020. http://dx.doi.org/10.1093/tse/tdaa031.

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Abstract Railway-track substructure is the foundation of the railway-track infrastructure and consists of four major components: ballast, sub-ballast, subgrade and drainage. Safety and performance of the track infrastructure, to a large degree, depends on the performance of the track substructure. Adequate support from the track substructure is the most critical element needed for good track performance. When properly constructed and maintained, the ballasted track is the most cost-effective track structure for railway operations, especially for heavy-haul freight operations. Good track-substr
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Martland, Carl D. "Introduction of Heavy Axle Loads." Journal of the Transportation Research Forum, June 1, 2013. http://dx.doi.org/10.5399/osu/jtrf.52.2.4162.

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The Association of American Railroads (AAR) initiated the Heavy Axle Load (HAL) Research Program in 1988 in order to “provide guidance to the North American railroad industry about whether to increase axle loads and to determine the most economic payload consistent with safety” (Kalay and Martland 2001). The research demonstrated the technical feasibility and economic desirability of increasing axle loads and the ability of technology to mitigate the adverse effects of heavier loads. In 1991, the industry decided to accept cars with 286,000 lb. gross vehicle weight (286k GVW) in interchange se
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Geoghegan, Hilary. "“If you can walk down the street and recognise the difference between cast iron and wrought iron, the world is altogether a better place”: Being Enthusiastic about Industrial Archaeology." M/C Journal 12, no. 2 (2009). http://dx.doi.org/10.5204/mcj.140.

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Introduction: Technology EnthusiasmEnthusiasts are people who have a passion, keenness, dedication or zeal for a particular activity or hobby. Today, there are enthusiasts for almost everything, from genealogy, costume dramas, and country houses, to metal detectors, coin collecting, and archaeology. But to be described as an enthusiast is not necessarily a compliment. Historically, the term “enthusiasm” was first used in England in the early seventeenth century to describe “religious or prophetic frenzy among the ancient Greeks” (Hanks, n.p.). This frenzy was ascribed to being possessed by spi
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Holden, Todd Joseph Miles. "The Evolution of Desire in Advertising." M/C Journal 2, no. 5 (1999). http://dx.doi.org/10.5204/mcj.1773.

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She's the dollars, she's my protection; she's a promise, in the year of election. Sister, I can't let you go; I'm like a preacher, stealing hearts at a traveling show. For love or money, money, money... Desire -- U2, "Desire" (1988) For the love of money. In the worship of things. Desire has traditionally been employed by advertising as a means of selling product. Regardless of culture, more powerful than context, desire is invoked as one of capitalism's iron-clad codes of quality. The Uses of Desire in Advertising Specifically, two variants have been most common. That in which desire is: (1)
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Books on the topic "American Railway Association. Freight cars"

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Canada. Parliament. House of Commons. Bill: An act to extend to the Dominion of Canada the powers of the Corporation called De Nederlandsch-Americansche Land Maatschappij (The Netherlands-American Land Company). MacLean, Roger, 2002.

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The American Railway Association standard box car of 1932. Speedwitch Media, 2004.

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Grand Trunk Railway Company of Canada Master Car-Builders' Association., ed. Code of rules governing the condition of, and repairs to, freight cars for the interchange of traffic: Adopted by the Master Car-Builders' Association. Railroad Gazette, 1991.

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Conference papers on the topic "American Railway Association. Freight cars"

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Lonsdale, Cameron P., Brian T. Tusa, and Steven L. Dedmon. "Radial Ultrasonic Testing of Freight Car Axles." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40013.

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North American freight car axles are one of the most robust mechanical components in railway service. Axles can be in service for many years (several decades in some cases) and undergo millions of fatigue cycles under heavy axle loads. Although for rotating bending fatigue the central axis is a zero stress location, larger internal central axis discontinuities will experience finite cyclic stress levels as the radial distance increases from the central axis. Larger internal discontinuities at the axle central axis, caused by forging bursts or unhealed pipe, are not a common occurrence; however
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Punwani, S., Firdausi Irani, R. B. Wiley, and John Tunna. "Pilot for a National Detector Database to Enhance Safety and Promote Preventive Maintenance." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55234.

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The Federal Railroad Administration has embarked on a pilot project to demonstrate the feasibility of using and linking defect detector systems for rail vehicles across North America. The goal of this project is to develop a national database that will enable the railroad industry to engage in predictive maintenance. These detectors measure equipment performance parameters such as the forces between the wheel and rails. The Integrated Railway Remote Information Service or InteRRIS™, an Internet-based system designed and developed by Transportation Technology Center, Inc. (TTCI), was used to ag
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Sperry, Brian, Corina Sandu, and Brent Ballew. "Complex Bogie Modeling Incorporating Advanced Friction Wedge Components." In 2009 Joint Rail Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/jrc2009-63037.

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This research focuses on the dynamic behavior of the three-piece bogie that supports the freight train car bodies. While the system is relatively simple, in that there are very few parts involved, the behavior of the bogie is somewhat more complex. Our research focuses primarily on the behavior of the friction wedges under different operating conditions that are seen under normal operation. The Railway Technologies Laboratory (RTL) at Virginia Tech has been developing a model to better capture the dynamic behavior of friction wedges using 3-D modeling software. In previous years, a quarter-tru
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Kirkpatrick, Steven W., and Claudia Northrup. "Crashworthiness and Puncture Protection Analyses of Liquified Natural Gas Tenders." In 2015 Joint Rail Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/jrc2015-5812.

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The extensive North American freight rail network is currently operated with diesel as the sole fuel source. However, the Class 1 railways have recently started to explore Liquefied Natural Gas (LNG) as an alternative fuel source, which has a lower environmental impact and could provide fuel cost savings compared to diesel. The efforts to develop industry standards for fuel tenders is being led under the Association of American Railroads (AAR) Natural Gas Fuel Tender (NGFT) Technical Advisory Group (TAG), a joint effort of the AAR Locomotive, Tank Car, and Equipment Engineering Committees, wit
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Shust, William, and Michael M. Palmieri. "A North American Historical Review of Three-Axle Freight Trucks." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8109.

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Abstract At first glance, it seems appealing to suggest additional wheelsets under a given railcar type. From the track’s viewpoint, and in a simplistic analysis, trading a particular car’s four-axles for the use of six should allow half again more car weight. This paper will examine efforts to test this concept over the past century. Indeed, the railway marketplace has investigated the three-axle truck in both the freight and passenger car arenas multiple times over the past century. Except in heavy-duty flatcars, the record shows that each implementation has proven to be only temporary. In g
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Dawson, Richard W., Darrell Iler, and Kevin Koch. "New AAR Procedure Permitting Freight Car Life Beyond 50 Years." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82848.

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The Interchange Rules of the Association of American Railroads (AAR) limit the life of freight cars to 50 years from the date originally built. Recently, however, the AAR has instituted a new provision under Interchange Rule 88 that permits cars to operate for up to 65 years since their built date. The procedure incorporates two basic portions; demonstrating that the carbody has the structural integrity to last for a total life of 65 years and upgrading specific components on each car. After applying to the AAR Equipment Engineering Committee (EEC) requesting that ILS be granted to a particula
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Shust, William, and Darrell Iler. "Vibration Response Modes and Severity Rating for Freight Car Appliances." In 2010 Joint Rail Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/jrc2010-36003.

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For many years, the North American Railway industry has been interested in the shock and vibration environment of freight cars. Initially this interest was related to the potential damage to cargo. More recently the interest has expanded to enhanced car and component reliability. A recent important subtopic has been the installed resonance frequencies of pneumatic equipment for air brake control valves (CVs). Perhaps the most critical accessory feature of a railcar is the braking system — a complicated assembly of pneumatic controls and air reservoirs. Millions of pneumatic brake control valve
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Lautala, Pasi T., C. Tyler Dick, James L. McKinney, and David B. Clarke. "Railway Engineering Education Symposium (REES) — Universities and Industry Collaborate to Develop Railway Education." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2449.

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The national emphasis on highway transportation and a lack of demand for graduates in rail related fields led to a decades long neglect of rail transportation and engineering education by universities in the United States (U.S.). However, the vitality of the private sector freight railroads, along with a growing interest in rail passenger transportation is creating a strong demand for graduates with rail expertise, particularly in engineering and related technical fields. This has re-energized the academic community, and several universities are currently either investigating or implementing r
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Donelson, John, and Ronald L. Dicus. "Bearing Defect Detection Using On-Board Accelerometer Measurements." In ASME/IEEE 2002 Joint Rail Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/rtd2002-1645.

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Vibration signatures of defective roller bearings on railroad freight cars were analyzed in an effort to develop an algorithm for detecting bearing defects. The effort is part of a project to develop an on-board condition monitoring system for freight trains. The Office of Research and Development of the Federal Railroad Administration (FRA) is sponsoring the project. The measurements were made at the Transportation Technology Center (TTC) in Pueblo, CO on July 26 – 29, 1999 during the Phase III Field Test of the Improved Wayside Freight Car Roller Bearing Inspection Research Program sponsored
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Tyrell, David. "Liquefied Natural Gas Tender Crashworthiness Research." In 2015 Joint Rail Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/jrc2015-5815.

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Research is being conducted to develop technical information needed to formulate effective natural gas fuel tender crashworthiness standards. This research is being performed for the Federal Railroad Administration’s (FRA’s) Office of Research, Development, and Technology, and intended to facilitate industry efforts to use natural gas as a locomotive fuel. Strategies to assure crashworthiness during moderate accidents, such as train-to-train collisions at speeds up to 40 mph, are being evaluated. This research applies the approach FRA has used to develop technical information on locomotive, ha
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