Determination of pedestrian displacement velocity for ground exploration programs
In Engineering and Geophysics field exploration, uncertainty for determination of the velocity of ground data acquisition due to extreme topographic conditions has been underestimated in the calculation of the displacement time between stations or sampling points. This lack of reliable models, negat...
- Autores:
-
Ochoa Gutierrez, Luis Hernán
Hernandez Pardo, Orlando
Martinez Martinez, Luis Joel
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2017
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/67579
- Acceso en línea:
- https://repositorio.unal.edu.co/handle/unal/67579
http://bdigital.unal.edu.co/68608/
- Palabra clave:
- 62 Ingeniería y operaciones afines / Engineering
Displacement velocity
GIS
fieldwork
exploration
cost estimation
budget
activities programming
Velocidad de desplazamiento
SIG
trabajo de campo
exploración
estimación de costos
presupuesto
programación de actividades
- Rights
- openAccess
- License
- Atribución-NoComercial 4.0 Internacional
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Determination of pedestrian displacement velocity for ground exploration programs |
| title |
Determination of pedestrian displacement velocity for ground exploration programs |
| spellingShingle |
Determination of pedestrian displacement velocity for ground exploration programs 62 Ingeniería y operaciones afines / Engineering Displacement velocity GIS fieldwork exploration cost estimation budget activities programming Velocidad de desplazamiento SIG trabajo de campo exploración estimación de costos presupuesto programación de actividades |
| title_short |
Determination of pedestrian displacement velocity for ground exploration programs |
| title_full |
Determination of pedestrian displacement velocity for ground exploration programs |
| title_fullStr |
Determination of pedestrian displacement velocity for ground exploration programs |
| title_full_unstemmed |
Determination of pedestrian displacement velocity for ground exploration programs |
| title_sort |
Determination of pedestrian displacement velocity for ground exploration programs |
| dc.creator.fl_str_mv |
Ochoa Gutierrez, Luis Hernán Hernandez Pardo, Orlando Martinez Martinez, Luis Joel |
| dc.contributor.author.spa.fl_str_mv |
Ochoa Gutierrez, Luis Hernán Hernandez Pardo, Orlando Martinez Martinez, Luis Joel |
| dc.subject.ddc.spa.fl_str_mv |
62 Ingeniería y operaciones afines / Engineering |
| topic |
62 Ingeniería y operaciones afines / Engineering Displacement velocity GIS fieldwork exploration cost estimation budget activities programming Velocidad de desplazamiento SIG trabajo de campo exploración estimación de costos presupuesto programación de actividades |
| dc.subject.proposal.spa.fl_str_mv |
Displacement velocity GIS fieldwork exploration cost estimation budget activities programming Velocidad de desplazamiento SIG trabajo de campo exploración estimación de costos presupuesto programación de actividades |
| description |
In Engineering and Geophysics field exploration, uncertainty for determination of the velocity of ground data acquisition due to extreme topographic conditions has been underestimated in the calculation of the displacement time between stations or sampling points. This lack of reliable models, negatively affects the determination of costs and planning of fieldwork activities. Known models of times and routes of displacement determination such as the “Smaller Cost Routes” are based on the effect of the type of land and the slope. However, these models consider the effect of the slope by means of subjective impedance values which has no a clear physical meaning. Furthermore, the upslope or downslope displacement is not considered to affect the reliability of velocity estimation. In this paper, a model of displacement velocity is proposed taking into account the upslope/downslope factor. The model was determined using real data from a topographical survey along a pipeline of 880 Km extended along terrains with changing climatic and topographic conditions. As a result, the proposed model improves the selection of optimal routes for a reliable time and cost estimation. |
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2017 |
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2017-05-01 |
| dc.date.accessioned.spa.fl_str_mv |
2019-07-03T04:35:36Z |
| dc.date.available.spa.fl_str_mv |
2019-07-03T04:35:36Z |
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Artículo de revista |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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info:eu-repo/semantics/article |
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http://purl.org/coar/resource_type/c_6501 |
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Text |
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http://purl.org/redcol/resource_type/ART |
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publishedVersion |
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ISSN: 2248-8723 |
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https://repositorio.unal.edu.co/handle/unal/67579 |
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http://bdigital.unal.edu.co/68608/ |
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ISSN: 2248-8723 |
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spa |
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spa |
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https://revistas.unal.edu.co/index.php/ingeinv/article/view/62092 |
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Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e Investigación Ingeniería e Investigación |
| dc.relation.references.spa.fl_str_mv |
Ochoa Gutierrez, Luis Hernán and Hernandez Pardo, Orlando and Martinez Martinez, Luis Joel (2017) Determination of pedestrian displacement velocity for ground exploration programs. Ingeniería e Investigación, 37 (2). pp. 34-41. ISSN 2248-8723 |
| dc.rights.spa.fl_str_mv |
Derechos reservados - Universidad Nacional de Colombia |
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http://purl.org/coar/access_right/c_abf2 |
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Atribución-NoComercial 4.0 Internacional |
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info:eu-repo/semantics/openAccess |
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Atribución-NoComercial 4.0 Internacional Derechos reservados - Universidad Nacional de Colombia http://creativecommons.org/licenses/by-nc/4.0/ http://purl.org/coar/access_right/c_abf2 |
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Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Ochoa Gutierrez, Luis Hernán294c1675-bfc7-4900-9f22-e05288f15bcd300Hernandez Pardo, Orlandod80ab669-68db-471a-b22e-e4aa610a3b3a300Martinez Martinez, Luis Joel3fabfdbe-7652-4646-8fc1-d3336150c37b3002019-07-03T04:35:36Z2019-07-03T04:35:36Z2017-05-01ISSN: 2248-8723https://repositorio.unal.edu.co/handle/unal/67579http://bdigital.unal.edu.co/68608/In Engineering and Geophysics field exploration, uncertainty for determination of the velocity of ground data acquisition due to extreme topographic conditions has been underestimated in the calculation of the displacement time between stations or sampling points. This lack of reliable models, negatively affects the determination of costs and planning of fieldwork activities. Known models of times and routes of displacement determination such as the “Smaller Cost Routes” are based on the effect of the type of land and the slope. However, these models consider the effect of the slope by means of subjective impedance values which has no a clear physical meaning. Furthermore, the upslope or downslope displacement is not considered to affect the reliability of velocity estimation. In this paper, a model of displacement velocity is proposed taking into account the upslope/downslope factor. The model was determined using real data from a topographical survey along a pipeline of 880 Km extended along terrains with changing climatic and topographic conditions. As a result, the proposed model improves the selection of optimal routes for a reliable time and cost estimation.En los trabajos de exploración de campo en ingeniería y geofísica, ha existido cierta incertidumbre en la determinación de la programación de labores de adquisición en campo, debido a la dificultad de establecer los tiempos de desplazamiento entre las estaciones o puntos de muestreo. Esta falta de modelos confiables para estimar los rendimientos, afecta directamente la determinación de costos y la programación de los trabajos de manera óptima. Existen algunos modelos de determinación de tiempos y rutas de desplazamiento conocidos como “Rutas de Menor Costo”, que consideran el efecto del tipo de terreno y la pendiente. Sin embargo, estos modelos consideran el efecto de la pendiente mediante valores de impedancia que son subjetivos y que no tienen un significado físico claro. Adicionalmente, dicho efecto se considera independiente de la dirección en que se recorra, es decir, no importa si se asciende o desciende por la pendiente. En el presente trabajo se determina un modelo de velocidades de desplazamiento para personal de campo trasladándose por diferentes terrenos, en el cual la dirección de la pendiente es considerada. Los datos empleados corresponden a un levantamiento topográfico de un oleoducto de 880 Kilómetros de longitud que atraviesa diferentes regiones con condiciones climáticas y topográficas diferentes. Como resultado de este estudio, el modelo propuesto mejora la selección de rutas óptimas para una mejor y más fiable estimación de tiempo y costos, a la vez que favorece una programación de trabajos de campo efectiva.application/pdfspaUniversidad Nacional de Colombia - Sede Bogotá - Facultad de Ingenieríahttps://revistas.unal.edu.co/index.php/ingeinv/article/view/62092Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e InvestigaciónIngeniería e InvestigaciónOchoa Gutierrez, Luis Hernán and Hernandez Pardo, Orlando and Martinez Martinez, Luis Joel (2017) Determination of pedestrian displacement velocity for ground exploration programs. Ingeniería e Investigación, 37 (2). pp. 34-41. ISSN 2248-872362 Ingeniería y operaciones afines / EngineeringDisplacement velocityGISfieldworkexplorationcost estimationbudgetactivities programmingVelocidad de desplazamientoSIGtrabajo de campoexploraciónestimación de costospresupuestoprogramación de actividadesDetermination of pedestrian displacement velocity for ground exploration programsArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL62092-343212-1-PB.pdfapplication/pdf1252484https://repositorio.unal.edu.co/bitstream/unal/67579/1/62092-343212-1-PB.pdfac510b23fde67c0c2f1f2e5ef4562cb0MD51THUMBNAIL62092-343212-1-PB.pdf.jpg62092-343212-1-PB.pdf.jpgGenerated Thumbnailimage/jpeg8474https://repositorio.unal.edu.co/bitstream/unal/67579/2/62092-343212-1-PB.pdf.jpga209746d27bb7988c88a109c61e6490bMD52unal/67579oai:repositorio.unal.edu.co:unal/675792024-05-22 23:33:49.254Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co |