Academic literature on the topic 'Underground railroad'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Underground railroad.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Underground railroad"

1

Park, Jong-Woo, and Don-Mook Choi. "A Study on the Scenario of Evacuation Safety Analysis of Wide-Area Railroad Stations." Fire Science and Engineering 36, no. 4 (August 31, 2022): 45–50. http://dx.doi.org/10.7731/kifse.f8f0bf21.

Full text
Abstract:
There are 1,416 railway stations in this country, of which 729 are underground stations. Moreover, more than 50% of the stations are constructed underground. Recently, the deep depth wide-area railroad has being designed and constructed. Railroads are the main means of transportation for the people and confirming evacuation safety in crowded underground spaces is a crucial subject. The functions of urban railroads and wide-area railroad underground stations built in urban underground spaces are the same. Nevertheless, there are differences between the station safety analysis scenario and the method used when they were designed. Through the analysis of evacuation scenarios and methods applied when evaluating the safety of underground stations, we propose procedures and standards for analyzing the safety of underground stations that can be applied to two types of railroads; the urban and wide-area railroads.
APA, Harvard, Vancouver, ISO, and other styles
2

Kuchment, Anna. "Underground Railroad." Scientific American 305, no. 1 (June 14, 2011): 62–63. http://dx.doi.org/10.1038/scientificamerican0711-62.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Rocks, David. "Underground railroad." Trends in Organized Crime 3, no. 1 (September 1997): 42. http://dx.doi.org/10.1007/s12117-997-1134-8.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Abdow, Maggie Moore. "Underground Railroads: Performance and Community at the Underground Railroad Theater’s Youth Program." Radical Teacher, no. 89 (February 24, 2011): 56–71. http://dx.doi.org/10.5406/radicalteacher.89.0056.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Abdow, Maggie Moore. "Underground Railroads: Performance and Community at the Underground Railroad Theater’s Youth Program." Radical Teacher 89, no. 1 (2010): 56–66. http://dx.doi.org/10.1353/rdt.2010.0017.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Toughill, Eileen, Cathi L. Breslin, Barbara Smith, Sandra VanSant, Robert S. White, and Maryanne Christopher. "Celebrating the Underground Railroad." AJN, American Journal of Nursing 105, no. 12 (December 2005): 81–83. http://dx.doi.org/10.1097/00000446-200512000-00040.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Collins, Sheila D. "The New Underground Railroad." Monthly Review 38, no. 1 (May 1, 1986): 1. http://dx.doi.org/10.14452/mr-038-01-1986-05_1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Martin-Salvan, Paula. "Narrative Structure and the Unnarrated in Colson Whitehead’s The Underground Railroad." ES Review. Spanish Journal of English Studies, no. 41 (October 26, 2020): 11–33. http://dx.doi.org/10.24197/ersjes.41.2020.11-33.

Full text
Abstract:
This paper analyzes the narrative structure of Colson Whitehead’s The Underground Railroad against the grain of traditional slave narrative conventions. The novel may be categorized as a neoslave narrative, telling the story of a slave girl, Cora, and her escape from a Georgia plantation using the “Underground Railroad” mentioned in the title. My working hypothesis takes cue from the explicit, literal rendering of the Underground Railroad in the text, which may be considered as symptomatic of Whitehead’s approach to the slave narrative convention, in that his novel discloses or makes visible aspects which, in slave narratives, were left unnarrated.
APA, Harvard, Vancouver, ISO, and other styles
9

Berrier, Galin. "The Underground Railroad in Michigan." Annals of Iowa 70, no. 2 (April 2011): 167–68. http://dx.doi.org/10.17077/0003-4827.1534.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Brinks, Daniel M., Renny Golden, and Michael McConnell. "Sanctuary: The New Underground Railroad." Michigan Law Review 85, no. 5/6 (April 1987): 1035. http://dx.doi.org/10.2307/1289029.

Full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Underground railroad"

1

Gleason, Johanna. "The underground railroad." CSUSB ScholarWorks, 1993. https://scholarworks.lib.csusb.edu/etd-project/685.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Berte, Leigh Ann Litwiller. "Locomotive subjectivity : the railroad, literature, and the geography of identity in America, 1830-1930 /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/9471.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Van, der Merwe Jeandri. "Subterranean space integrating generic commercial entities within the Gauteng system /." Diss., Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-11302005-110820.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Gilliam, Karen Lynn. "We Take From It What We Need: A Portraiture Approach To Understanding A Social Movement Through The Power Of Story And Storytelling Leadership." [Yellow Springs, Ohio] : Antioch University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1147273596.

Full text
Abstract:
Thesis (Ph. D.)--Antioch University, 2006.
Title from PDF t.p. (viewed Mar. 29, 2007). Advisor: Jon F. Wergin. Keywords: narratives, portraiture, storytelling, charismatic leadership, underground railroad, voice and leadership. Includes bibliographical references (p. 173-177).
APA, Harvard, Vancouver, ISO, and other styles
5

LaRoche, Cheryl Janifer. "On the edge of freedom free black communities, archaeology, and the Underground Railroad /." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1676.

Full text
Abstract:
Thesis (Ph. D.) -- University of Maryland, College Park, 2004.
Thesis research directed by: American Studies. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
APA, Harvard, Vancouver, ISO, and other styles
6

Wu, Kwun Hing. "Aerodynamic aspects of high-speed railway underground station with adjoining tunels /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?MECH%202008%20WU.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Pollitt, Bethany Marie. "THE ANTISLAVERY MOVEMENT IN CLERMONT COUNTY." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1340654984.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Quinn, Zarah Victoria. "Escaping through the Past, Haunted by the Future: Confronting America through Child of God and the Underground Railroad." W&M ScholarWorks, 2017. https://scholarworks.wm.edu/etd/1516639664.

Full text
Abstract:
My Master’s Thesis is comprised of two essays that review two contemporary American texts. Through genres of the gothic and historical fiction, these texts confront America’s violence of the past and present. The first essay, “Desiring and Dispossessing: Whiteness in Cormac McCarthy’s Child of God,” investigates the novel’s reliance on a gothic genre as an affective strategy to confront whiteness’ specter of self-destruction. The second essay, “Escaping Through The Underground Railroad,” reconsiders the movement of escape and theorizes the action as a miraculous but forever-incomplete movement toward alternative ways of being--a theorization that could be useful for the present day. Both essays approach fiction as a way to encounter and reconcile the histories and structures of violence of America.
APA, Harvard, Vancouver, ISO, and other styles
9

Zook, Alyse. "Museum as site of meaning: Exploring audience responses to the National Underground Railroad Freedom Center's Invisible: Slavery Today Exhibit." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1407407154.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ehn, Svensson Mikaela. "Historieskrivning i den samtida historiska romanen : En läsning av Sarah Waters The night watch och Colson Whiteheads The underground railroad." Thesis, Södertörns högskola, Institutionen för historia och samtidsstudier, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-41094.

Full text
Abstract:
It has always been important to study history. But what we can’t forget is that there’s more than one way of doing so. One of those is literature. In this thesis I will therefore study two contemporary historical novels: The Night Watch by Sarah Waters and The Underground Railroad by Colson Whitehead. The aim is to explore how they portray different kinds of historical experiences and how that may relate to questions that are relevant even in a contemporary context. Because both novels have an interestning relationship with time and space, I’m going to use the russian literary theorist Micheal Bachtins concept of the chronotope to explore how time and space operates and relate to eachother. In the end, this thesis also aims to show that literature can be a valuable object to study for those that are intererested in histiography.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "Underground railroad"

1

Russo, Linda. Underground railroad. Edited by United States. National Park Service. Denver Service Center. Denver, Colo: U.S. Dept. of the Interior, National Park Service, Denver Service Center, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

United States. National Park Service. Denver Service Center., ed. Underground railroad. Denver, Colo: The Center, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Fulton, Michael. Underground railroad. Amawalk, N.Y: Jackdaw Publications, 2004.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Espinosa, Rod. Underground Railroad. Edina, Minn: Red Wagon, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Henry, Cole. Underground Railroad. New York: Scholastic Press, 2012.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Russo, Linda. Underground railroad. Edited by United States. National Park Service. Denver Service Center. Denver, Colo: U.S. Dept. of the Interior, National Park Service, Denver Service Center, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

United States. National Park Service. Division of Publications., ed. Underground railroad. Washington, D.C: Dept. of the Interior, 1998.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Williams, Carla. The Underground Railroad. Mankato, Minn: Child's World, 2009.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Marcey, Sally. The underground railroad. Wheaton, Ill: Tyndale House Pub., 1991.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ashby, Ruth. The Underground Railroad. Mankato, Minn: Smart Apple Media, 2003.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Underground railroad"

1

Starre, Alexander. "Whitehead, Colson: The Underground Railroad." In Kindlers Literatur Lexikon (KLL), 1–2. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_18895-1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Queirolo Palmas, Luca, and Federico Rahola. "Introduction: Traveling Along the Underground Railroad, in Europe." In Underground Europe, 1–5. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16151-3_1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Eno, Victor. "Underground Railroad as Social Policy, The." In Global Encyclopedia of Public Administration, Public Policy, and Governance, 6037–41. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-20928-9_2659.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Eno, Victor. "The Underground Railroad as Social Policy." In Global Encyclopedia of Public Administration, Public Policy, and Governance, 1–5. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-31816-5_2659-1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Cooper, Preston Park. "The Intuitionist and The Underground Railroad." In Literature and Culture of the Chicago Renaissance, 175–200. New York, NY : Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.4324/9780429283710-11.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Eno, Victor. "Underground Railroad as Social Policy, The." In Global Encyclopedia of Public Administration, Public Policy, and Governance, 12972–76. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-66252-3_2659.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Howard, Charles Lattimore. "The Underground Railroad and Underground Rap: Imagining an Underground Black Liberation Theology." In Black Theology as Mass Movement, 25–52. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137368751_2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Klestil, Matthias. "Claiming (through) Space: Topographies of Enslavement, the Literary Heterotopia of the Underground Railroad, and the Co-agency of the Non-human." In Environmental Knowledge, Race, and African American Literature, 45–83. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-82102-9_2.

Full text
Abstract:
AbstractThis chapter reads the Underground Railroad ecocritically as a literary heterotopia (Foucault) of the fugitive slave narrative that became vital to an African American spatial and environmental imagination. A turn to a variety of texts ranging from abolitionist writing to slave narratives by Bayley (1825), Curry (1840), Douglass (1845), Bibb (1849), and J. Brown (1855) demonstrates that this literary heterotopia became a means of claiming (through) space in a twofold sense. First, it enabled fugitives’ reclaiming themselves by reinterpreting relations between space and body, and by subversively playing with an antebellum popular discourse of the “Liberty Line.” Second, this subversive play provided a means of claiming space in the sense of imagining a literary Underground Railroad, which narrators could employ as a “discursive loophole” to express African American environmental knowledge.
APA, Harvard, Vancouver, ISO, and other styles
9

Ardell, Lillian, and Paul J. Yoder. "The Underground Railroad Doesn’t Run Underground: Tackling Metaphors in the Social Studies Classroom." In The Role of Language in Content Pedagogy, 197–212. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5351-4_10.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Docherty, Michael. "To “Refract Time”: The Magical History of Colson Whitehead’s The Underground Railroad." In 21st Century US Historical Fiction, 33–52. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41897-7_3.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Underground railroad"

1

Miller, Grant. "Challenging Epistemologies in History Education: Black Communities, the Underground Railroad, and 3-D-Printing Material Culture." In 2023 AERA Annual Meeting. Washington DC: AERA, 2023. http://dx.doi.org/10.3102/2014077.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Zan, Kelvin, Vish Mawley, Moises Ramos, and Sarvjit Singh. "Recommended Maintenance Practices for Stray Current Corrosion on DC Electrified Systems." In 2014 Joint Rail Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/jrc2014-3712.

Full text
Abstract:
The Los Angeles Metropolitan Transportation Authority (LACMTA), like many other transit agencies throughout the country, is currently addressing the stray current corrosion problems on its rail system. Numerous capital projects have been released by the authority for the rehabilitation of their corroded infrastructures along their right-of-way. In addition, new maintenance procedures have been implemented to minimize corrosion problems to the rail and utility infrastructures located adjacent to the electrified railroad. The corrosion effect on rail infrastructures is often overlooked by most electrified railroad authorities because an immediate corrective response is not necessary for train movement during rail operations. The corrosion process is a natural process that occurs slowly and continuously throughout the life span of all materials, and may be accelerated due to stray currents from the railroad electrification system. Several key locations along the right-of-way have greater impact from stray current corrosion issues: at street crossing due to poor rail insulated boots, switch machines and accumulation of brake dust near passenger platforms. Other significant locations that suffer from stray current effects are overhead and under grade bridges, tunnel structures, rail spikes, fire suppression pipes, sewage pipes and underground feeder cable connections. Moreover, stray current can also cause other vital systems such as signaling systems and communication systems to malfunction. The other aspect of stray current is intentional discharging of stray current into earth ground through Negative Grounding Device (NGD) to maintain negative rail over voltage level for safe operation and reliability of rail service to the public. Typical negative rail voltage with respect to earth ground in operation is over 100VDC which is over the recommended voltage of 50VDC. Corrosion problems can be controlled by the implementation of a cathodic protection system, proper inspection of the running rail, impedance bond connections and proper maintenance of the cathodic protection system and negative grounding devices. The purpose of this paper is to address corrosion issues associated with DC electrified railways, recommend maintenance practices to control stray current sources, recommended maintenance practices for cathodic protection systems and discuss the balancing act to control negative rail over voltage versus intentional discharge of stray current to earth ground.
APA, Harvard, Vancouver, ISO, and other styles
3

Jelonek, Jonas, Jonas Stephan, David Bochmann, and Lars Gebken. "BEXUS30 – ELFI: Measuring Schumann resonances in the atmosphere." In Symposium on Space Educational Activities (SSAE). Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788419184405.043.

Full text
Abstract:
The ELFI project was one of nine BEXUS experiments carried in two stratospheric balloons in 2021. The aim of the experiment was to develop a system for the non-stationary measurement of electromagnetic waves in the extremely low frequency range. The Schumann resonances that are part of this range are especially important for meteorological research. For the planned use of the system on a stratospheric balloon, various requirements and aspects regarding the measurement environment had to be considered during the development. The system is based on a magnetic loop antenna connected to a signal processing unit, the Analog Front-End. The antenna has special characteristics to enable the measurement of Schumann resonances. Due to the necessary high sensitivity of the antenna, a deployment mechanism was developed to lower the antenna for the measurement, thus reducing the influence of interference from the electronics or actuators of other experiments on the gondola. After the balloon is launched, the mechanism is extended, and the antenna is lowered below the gondola. The Analog Front-End has several stages that filter, amplify and digitalize the signal measured with the antenna. An on-board computer, built from reliable general-purpose hardware, performs the measurement, organizes and stores the measurement data, and provides communication with the ground station. Hence, monitoring and control of the experiment through the ground station was possible. In addition, an algorithm for automatic gain control was integrated to allow flexible measurement of different amplitudes. In several testing periods the system was validated for functionality and reliability. Through numerous preliminary tests, frequencies from reference sources could be detected, e.g., 50 Hz of the power supply network or 16.67 Hz of the railroad power supply. Underground measurements confirmed that the system is suitable for detecting low frequencies. Furthermore, the system was tested and confirmed to be usable under extreme conditions like low temperatures and low air pressures. The developed deployment mechanism with scissor arms was proved to be robust and flexible. Both hardware and software worked as expected and are reliable and adaptable to different conditions. During final tests in an almost interference-free area our system was able to record optimal signals, in which the Schumann resonances could be detected. Based on these successful results, the system was ready to be deployed on the stratospheric balloon to perform measurements in the atmosphere
APA, Harvard, Vancouver, ISO, and other styles
4

Colino, Mark P., and Elena B. Rosenstein. "A New Advance in Tunnel Ventilation Design Planning." In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2203.

Full text
Abstract:
The new train signaling, traction power and tunnel ventilation system coordination guidelines enacted in National Fire Protection Association (NFPA) Standard 130 have brought the necessity and cost of tunnel ventilation fan shafts into greater focus. The guidelines were aimed at coordinating the three aforementioned rail systems to control the number of trains that could be between successive ventilation shafts during an emergency — in recognition of the fact that the best protection to both incident and non-incident train passengers and crew is to allow no more than one train in each ventilation zone. Though based in safety, these new NFPA guidelines can substantially expand the capital cost and environmental impact of new rail tunnel projects by adding more ventilation shafts and tunnel fan equipment to the scope of work. In addition, the resulting increase in the required number of ventilation shafts and tunnel fan equipment can hinder existing railroad properties as they seek to either increase their train throughput rates, or reduce their tunnel electrical infrastructure. Fortunately, a new kind of emergency ventilation shaft has been developed to facilitate compliance with the NFPA 130 Standard without the excessive capital cost and far-reaching environmental impacts of a traditional emergency ventilation shaft. This new kind of emergency ventilation shaft is called the Crossflue. The Crossflue is a horizontal passage between parallel rail tunnels with a single ventilation fan-motor unit installation. The Crossflue fan is designed to transfer air/smoke flows from one (occupied, incident) tunnel to another (unoccupied, non-incident) tunnel — thereby protecting the incident tunnel at the expense of the non-incident tunnel. The Crossflue passage has angled construction to allow a smooth transition of airflows both into and out of the adjoining tunnels. In addition to the fan, the Crossflue contains a ventilation damper, sound attenuators, ductwork transitions and flexible connectors within the fan equipment line-up; the functionality of all this mechanical equipment is described in the paper. To preserve underground space and minimize the rock excavation, the Crossflue fan is both remotely-powered and remotely-controlled; the fan is only operated as part of a pre-programmed response to tunnel fire events. The methodology utilized to design the Crossflue was taken from the Subway Environmental Design Handbook (SEDH); the SEDH [1] was specifically developed for rail tunnel ventilation design and is the preeminent reference volume in the industry. In summary, the Crossflue provides a dual benefit of achieving NFPA 130 compliance, while at the same time minimizing the construction, equipment, environmental, and energy costs of a traditional tunnel ventilation shaft.
APA, Harvard, Vancouver, ISO, and other styles
5

Fry, Kevin. "Infrastructure Data Management Systems Driven by Commercial Need: One Company’s Experience." In ASME 2012 Rail Transportation Division Fall Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/rtdf2012-9430.

Full text
Abstract:
The high cost of railroad infrastructure maintenance, compared to the relatively low cost and growing capability of systems to assess infrastructure condition, offers significant potential for cost saving through improved data management systems. This paper looks at one company’s experience of systems in Europe and focuses particularly on the commercial value that can be delivered — other company’s systems are of course also available. Balfour Beatty Rail (BBR) is one of the world’s largest rail engineering and services providers and a significant part of our business involves Asset Management in its broadest sense. BBR’s hands-on experience as a builder and maintainer of railways informs our understanding of what data is helpful to ensure safety and optimize maintenance. Many of our systems have evolved though our own needs in railway maintenance and all are very commercially focused. This paper looks at some of the commercial drivers for these systems and draws on experience from a number of applications in Europe to highlight key areas of benefit. The paper begins with the high level commercial case for data and its effective use, looking at the opportunity for cost savings in asset management. It then looks at the information required to deliver specific types of benefit. Experience with a new system for London Underground to maximize the use of their limited maintenance windows is described. The implications of the UK’s penalty regime for train delays is then discussed, showing how it has driven investment in signaling monitoring resulting in reliability and availability improvement. Condition visibility is an essential prerequisite for effective planning and root cause analysis. For track, subject to many simultaneous degradation modes, location-centered visualisation software is providing users a clearer view of all relevant parameters. By presenting measurements from many different sources to provide a unified view with a location accuracy to within one tie, better targeted and cost-effective maintenance can be undertaken. Software developed by German subsidiary Schreck-Mieves takes a new approach to data management during visual inspections. Initially developed exclusively for their own use, the system aims to quantify a manual inspection. Information is checked for errors and completeness and recording is ergonomically designed to minimize inspection time. Results are combined into an overall evaluation based on a new KAV® wear margin parameter and can be “rolled up” to cover all or part of the network. Finally the paper describes how the UK’s 150-year-old infrastructure has necessitated a different approach to gauging to maximize space. Through infrastructure data management systems and a more analytic approach it is possible to undertake calculations that estimate “true” clearances. This frees up available space which can be used to increase vehicle capacity or save money, with a recent example showing savings of up to $35m made over a 150mile route upgrade, reducing the scope or works by up to a third.
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Underground railroad"

1

Author, Not Given. The Texas Railroad Commission, Oil and Gas Division underground injection control program: A peer review. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/6314838.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Iseley, D. T., and D. H. Cowling. L51697 Obstacle Detection to Facilitate Horizontal Directional Drilling. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1994. http://dx.doi.org/10.55274/r0010134.

Full text
Abstract:
The horizontal directional drilling (HDD) technique is specially suited for pipeline crossings of waterways, beaches, roads, vulnerable natural regions, railroads and airports. The HDD method is a two-stage process consisting of navigating a drill stem underground along a predetermined design route and the pulling back of the product pipe through the prepared hole. One of the major problems faced in HDD projects is subsurface exploration and locating of existing underground obstacles. HDD equipment must avoid these obstacles if at all possible. This study was conducted to: 1. Determine the state-of-the-art for obstacle detection in horizontal directional drilling technology. 2. Examine all possible techniques for obstacle detection. 3. Evaluate the most promising and suitable techniques for further development. 4. Determine further work necessary to reach a 100-foot (30 m) target. 5. Make recommendations for HDD contractors.
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography