An integrated framework for non-destructive evaluation of bridges using UAS: a case study
The following paper proposes an Unmanned Aircraft System (drone) inspection framework for communities where guidelines for this emerging technology have yet to be provided. The framework involves pilot training in an area with similar features to the structure to be inspected, developing best inspec...
- Autores:
-
Pérez Jimeno, Sergio
Capa Salinas, Jose
Perez Caicedo, Javier Alexander
Rojas Manzano, Manuel Alejandro
- Tipo de recurso:
- Article of investigation
- Fecha de publicación:
- 2023
- Institución:
- Corporación Universidad de la Costa
- Repositorio:
- REDICUC - Repositorio CUC
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.cuc.edu.co:11323/13121
- Acceso en línea:
- https://hdl.handle.net/11323/13121
https://repositorio.cuc.edu.co/
- Palabra clave:
- Bridges
Non-destructive
UAS
Inspection
Drones
- Rights
- embargoedAccess
- License
- Atribución 4.0 Internacional (CC BY 4.0)
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An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| title |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| spellingShingle |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study Bridges Non-destructive UAS Inspection Drones |
| title_short |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| title_full |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| title_fullStr |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| title_full_unstemmed |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| title_sort |
An integrated framework for non-destructive evaluation of bridges using UAS: a case study |
| dc.creator.fl_str_mv |
Pérez Jimeno, Sergio Capa Salinas, Jose Perez Caicedo, Javier Alexander Rojas Manzano, Manuel Alejandro |
| dc.contributor.author.none.fl_str_mv |
Pérez Jimeno, Sergio Capa Salinas, Jose Perez Caicedo, Javier Alexander Rojas Manzano, Manuel Alejandro |
| dc.subject.proposal.eng.fl_str_mv |
Bridges Non-destructive UAS Inspection Drones |
| topic |
Bridges Non-destructive UAS Inspection Drones |
| description |
The following paper proposes an Unmanned Aircraft System (drone) inspection framework for communities where guidelines for this emerging technology have yet to be provided. The framework involves pilot training in an area with similar features to the structure to be inspected, developing best inspection practices for future application, selecting a bridge for detailed inspection using non-destructive testing methods such as visual inspection, and inspecting the bridge using the UAS inspection framework developed for the area. The results of both reviews are compared, and the framework is validated. The fnal inspection framework is presented in the paper, along with relevant conclusions and future work. The proposed framework can be valuable for infrastructure owners and inspectors to conduct more efcient and cost-efective bridge inspections while ensuring safety in communities with limited UAS guidelines and research work. The structural analysis, qualitative assessment, and load rating of the case study are presented as proof of concept on the efectiveness of the UAS bridge inspection and its advantages. |
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2023 |
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2023 |
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2024-07-05T19:37:40Z |
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2024 2024-07-05T19:37:40Z |
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Artículo de revista |
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Perez Jimeno, S., Capa Salinas, J., Perez Caicedo, J.A. et al. An integrated framework for non-destructive evaluation of bridges using UAS: a case study. J Build Rehabil 8, 80 (2023). https://doi.org/10.1007/s41024-023-00299-x |
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2365-3159 |
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https://hdl.handle.net/11323/13121 |
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10.1007/s41024-023-00299-x |
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2365-3167 |
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Corporación Universidad de la Costa |
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REDICUC - Repositorio CUC |
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https://repositorio.cuc.edu.co/ |
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Perez Jimeno, S., Capa Salinas, J., Perez Caicedo, J.A. et al. An integrated framework for non-destructive evaluation of bridges using UAS: a case study. J Build Rehabil 8, 80 (2023). https://doi.org/10.1007/s41024-023-00299-x 2365-3159 10.1007/s41024-023-00299-x 2365-3167 Corporación Universidad de la Costa REDICUC - Repositorio CUC |
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https://hdl.handle.net/11323/13121 https://repositorio.cuc.edu.co/ |
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eng |
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eng |
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Journal of Building Pathology and Rehabilitation |
| dc.relation.references.spa.fl_str_mv |
1. Hallermann N, Morgenthal G (2014) Visual inspection strategies for large bridges using Unmanned Aerial Vehicles (UAV). In: Bridge Maintenance, Safety, Management and Life Extension, CRC Press, pp. 661–667. Accessed 21 Jan 2020. [Online]. Available: http://www.crcnetbase.com/doi/abs/https://doi.org/ 10.1201/b17063-96 2. Highway Statistics 2021-Policy | Federal Highway Administration. https://www.fhwa.dot.gov/policyinformation/statistics/ 2021/ Accessed 30 Mar 2023 3. Oliveira CBL, Greco M, Bittencourt TN (2019) Analysis of the brazilian federal bridge inventory. Rev IBRACON Estrut Mater 12:1–3. https://doi.org/10.1590/S1983-41952019000100002 4. Valenzuela MA, Peña-Fritz A (2019) The state of damage on South American road bridges due to degradation and extreme events: a proposal for performance indicators. Struct Infrastruct Eng 15(2):244–251. https://doi.org/10.1080/15732479.2018.1547319 5. Al-Mahaidi R, Caprani C, Frangopol DM, Powers N, (2018) Maintenance, safety, risk, management and life-cycle performance of bridges: proceedings of the ninth international conference on bridge maintenance, safety and management (IABMAS 2018), 9–13 July 2018, Melbourne, Australia 6. American Society of Civil Engineers (2021), 2021 Report Card for America’s Infrastructure 7. Muñoz E, Valbuena E, Evaluación del estado de los puentes de acero de la red vial de Colombia. Accessed 14 Apr 2023. [Online]. Available: https://core.ac.uk/display/296525214?utm_source=pdf&utm_medium=banner&utm_campaign=pdf-decor ation-v1 8. Gómez PL, Estudio e investigación del estado actual de las obras de la red nacional de carreteras 9. Martínez BMAB (2012) Propuesta de guía de inspección cualitativa para puentes en Nicaragua 10. Capa Salinas J (2021) An unmanned aerial systems evaluation chamber for bridge inspection. PhD Thesis, Purdue University 11. American Association of State Highway and Transportation Ofcials, (2020) AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS. S.l.: AASHTO 12. Lin YC et al (2019) Evaluation of UAV LiDAR for mapping coastal environments. Remote Sens. https://doi.org/10.3390/ rs11242893 13. Next-Gen Drones Reduce Inspection Costs by up to 50%–UAS VISION, 19 Apr 2018. https://www.uasvision.com/2018/04/19/ next-gen-drones-reduce-inspection-costs-by-up-to-50/ Accessed 14 Apr 2023 14. Ostrowski W, Pilarska M, Charyton J, Bakuła K (2018) Analysis of 3D building models accuracy based on the airborne laser scanning point clouds. Int Arch Photogramm Remote Sens Spatial Inf Sci 18:797–804 15. INVIAS, & Universidad Nacional [Instituto Nacional de Vías], (2006) Manual para la inspección visual de puentes y pontones. https://www.invias.gov.co/index.php/archivo-y-documentos/documentos-tecnicos/manuales-de-inspeccion-de-obras/976-manual-para-la-inspeccion-visual-de-puentes-y-pontones Accessed 14 Apr 2023 16. Phares BM, Liu Z, Freeseman K (2022) Advancing bridge load rating: state of practice and frameworks, United States. Department of Transportation. Federal Highway Administration 17. WSDOT (2022) Bridge Design Manual (LRFD), Washington state department of transportation, Olympia, Washington, August, Jun 18. Muñoz E, Hernández R, Valbuena E, Trujillo L, Santacruz L (2005) Rehabilitación de los puentes de la Red de carreteras de Colombia, basados en inspecciones visuales, estudios especializados y estrategias de reparación. Revista Ingeniería de Construcción 20(1):159–160 19. AIS A (2014) Norma colombiana de diseño de puentes CCP 14 20. CSI Spain | CSi Bridge. http://www.csiespana.com/software/4/ csi-bridge (accessed Apr 14, 2023) 21. ACI 228.1 R-03 (2003) In-Place methods to estimate concrete strength reported. american concrete institute Indianapolis, IN, USA |
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© The Author(s) 2023 |
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Atribución 4.0 Internacional (CC BY 4.0)© The Author(s) 2023https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/embargoedAccesshttp://purl.org/coar/access_right/c_f1cfPérez Jimeno, SergioCapa Salinas, JosePerez Caicedo, Javier Alexander Rojas Manzano, Manuel Alejandro2024-07-05T19:37:40Z20242024-07-05T19:37:40Z2023Perez Jimeno, S., Capa Salinas, J., Perez Caicedo, J.A. et al. An integrated framework for non-destructive evaluation of bridges using UAS: a case study. J Build Rehabil 8, 80 (2023). https://doi.org/10.1007/s41024-023-00299-x2365-3159https://hdl.handle.net/11323/1312110.1007/s41024-023-00299-x2365-3167Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/The following paper proposes an Unmanned Aircraft System (drone) inspection framework for communities where guidelines for this emerging technology have yet to be provided. The framework involves pilot training in an area with similar features to the structure to be inspected, developing best inspection practices for future application, selecting a bridge for detailed inspection using non-destructive testing methods such as visual inspection, and inspecting the bridge using the UAS inspection framework developed for the area. The results of both reviews are compared, and the framework is validated. The fnal inspection framework is presented in the paper, along with relevant conclusions and future work. The proposed framework can be valuable for infrastructure owners and inspectors to conduct more efcient and cost-efective bridge inspections while ensuring safety in communities with limited UAS guidelines and research work. The structural analysis, qualitative assessment, and load rating of the case study are presented as proof of concept on the efectiveness of the UAS bridge inspection and its advantages.13 páginasapplication/pdfengSpringer Science and Business Media B.V.Germanyhttps://link.springer.com/article/10.1007/s41024-023-00299-xAn integrated framework for non-destructive evaluation of bridges using UAS: a case studyArtículo de revistahttp://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85Journal of Building Pathology and Rehabilitation1. Hallermann N, Morgenthal G (2014) Visual inspection strategies for large bridges using Unmanned Aerial Vehicles (UAV). In: Bridge Maintenance, Safety, Management and Life Extension, CRC Press, pp. 661–667. Accessed 21 Jan 2020. [Online]. Available: http://www.crcnetbase.com/doi/abs/https://doi.org/ 10.1201/b17063-962. Highway Statistics 2021-Policy | Federal Highway Administration. https://www.fhwa.dot.gov/policyinformation/statistics/ 2021/ Accessed 30 Mar 20233. Oliveira CBL, Greco M, Bittencourt TN (2019) Analysis of the brazilian federal bridge inventory. Rev IBRACON Estrut Mater 12:1–3. https://doi.org/10.1590/S1983-419520190001000024. Valenzuela MA, Peña-Fritz A (2019) The state of damage on South American road bridges due to degradation and extreme events: a proposal for performance indicators. Struct Infrastruct Eng 15(2):244–251. https://doi.org/10.1080/15732479.2018.15473195. Al-Mahaidi R, Caprani C, Frangopol DM, Powers N, (2018) Maintenance, safety, risk, management and life-cycle performance of bridges: proceedings of the ninth international conference on bridge maintenance, safety and management (IABMAS 2018), 9–13 July 2018, Melbourne, Australia6. American Society of Civil Engineers (2021), 2021 Report Card for America’s Infrastructure7. Muñoz E, Valbuena E, Evaluación del estado de los puentes de acero de la red vial de Colombia. Accessed 14 Apr 2023. [Online]. Available: https://core.ac.uk/display/296525214?utm_source=pdf&utm_medium=banner&utm_campaign=pdf-decor ation-v18. Gómez PL, Estudio e investigación del estado actual de las obras de la red nacional de carreteras9. Martínez BMAB (2012) Propuesta de guía de inspección cualitativa para puentes en Nicaragua10. Capa Salinas J (2021) An unmanned aerial systems evaluation chamber for bridge inspection. PhD Thesis, Purdue University11. American Association of State Highway and Transportation Ofcials, (2020) AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS. S.l.: AASHTO12. Lin YC et al (2019) Evaluation of UAV LiDAR for mapping coastal environments. Remote Sens. https://doi.org/10.3390/ rs1124289313. Next-Gen Drones Reduce Inspection Costs by up to 50%–UAS VISION, 19 Apr 2018. https://www.uasvision.com/2018/04/19/ next-gen-drones-reduce-inspection-costs-by-up-to-50/ Accessed 14 Apr 202314. Ostrowski W, Pilarska M, Charyton J, Bakuła K (2018) Analysis of 3D building models accuracy based on the airborne laser scanning point clouds. Int Arch Photogramm Remote Sens Spatial Inf Sci 18:797–80415. INVIAS, & Universidad Nacional [Instituto Nacional de Vías], (2006) Manual para la inspección visual de puentes y pontones. https://www.invias.gov.co/index.php/archivo-y-documentos/documentos-tecnicos/manuales-de-inspeccion-de-obras/976-manual-para-la-inspeccion-visual-de-puentes-y-pontones Accessed 14 Apr 202316. Phares BM, Liu Z, Freeseman K (2022) Advancing bridge load rating: state of practice and frameworks, United States. Department of Transportation. Federal Highway Administration17. WSDOT (2022) Bridge Design Manual (LRFD), Washington state department of transportation, Olympia, Washington, August, Jun18. Muñoz E, Hernández R, Valbuena E, Trujillo L, Santacruz L (2005) Rehabilitación de los puentes de la Red de carreteras de Colombia, basados en inspecciones visuales, estudios especializados y estrategias de reparación. Revista Ingeniería de Construcción 20(1):159–16019. AIS A (2014) Norma colombiana de diseño de puentes CCP 14 20. CSI Spain | CSi Bridge. http://www.csiespana.com/software/4/ csi-bridge (accessed Apr 14, 2023)21. ACI 228.1 R-03 (2003) In-Place methods to estimate concrete strength reported. american concrete institute Indianapolis, IN, USA131808BridgesNon-destructiveUASInspectionDronesPublicationORIGINALAn integrated framework for non‑destructive evaluation of bridges.pdfAn integrated framework for non‑destructive evaluation of bridges.pdfArtículoapplication/pdf3124197https://repositorio.cuc.edu.co/bitstreams/be018817-6387-4d5d-81ed-8c2a2c73fe93/download6cd3dd11d386c725e54ba22d42458762MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-814828https://repositorio.cuc.edu.co/bitstreams/750264f5-4c12-4b27-8bfd-621287d94cc3/download2f9959eaf5b71fae44bbf9ec84150c7aMD52TEXTAn integrated framework for non‑destructive evaluation of bridges.pdf.txtAn integrated framework for non‑destructive evaluation of bridges.pdf.txtExtracted texttext/plain43115https://repositorio.cuc.edu.co/bitstreams/6c4405e9-1d9b-47a7-8c83-c3ea6d93e620/downloadfd5ff2425d3b8a5a1d70e87ddb2b51f8MD53THUMBNAILAn integrated 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ada en las Obras Colectivas.

b.	Distribuir copias o fonogramas de las Obras, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública, incluyéndolas como incorporadas en Obras Colectivas, según corresponda.

c.	Distribuir copias de las Obras Derivadas que se generen, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública.
Los derechos mencionados anteriormente pueden ser ejercidos en todos los medios y formatos, actualmente conocidos o que se inventen en el futuro. Los derechos antes mencionados incluyen el derecho a realizar dichas modificaciones en la medida que sean técnicamente necesarias para ejercer los derechos en otro medio o formatos, pero de otra manera usted no está autorizado para realizar obras derivadas. Todos los derechos no otorgados expresamente por el Licenciante quedan por este medio reservados, incluyendo pero sin limitarse a aquellos que se mencionan en las secciones 4(d) y 4(e).

4. Restricciones.
La licencia otorgada en la anterior Sección 3 está expresamente sujeta y limitada por las siguientes restricciones:

a.	Usted puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra sólo bajo las condiciones de esta Licencia, y Usted debe incluir una copia de esta licencia o del Identificador Universal de Recursos de la misma con cada copia de la Obra que distribuya, exhiba públicamente, ejecute públicamente o ponga a disposición pública. No es posible ofrecer o imponer ninguna condición sobre la Obra que altere o limite las condiciones de esta Licencia o el ejercicio de los derechos de los destinatarios otorgados en este documento. No es posible sublicenciar la Obra. Usted debe mantener intactos todos los avisos que hagan referencia a esta Licencia y a la cláusula de limitación de garantías. Usted no puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra con alguna medida tecnológica que controle el acceso o la utilización de ella de una forma que sea inconsistente con las condiciones de esta Licencia. Lo anterior se aplica a la Obra incorporada a una Obra Colectiva, pero esto no exige que la Obra Colectiva aparte de la obra misma quede sujeta a las condiciones de esta Licencia. Si Usted crea una Obra Colectiva, previo aviso de cualquier Licenciante debe, en la medida de lo posible, eliminar de la Obra Colectiva cualquier referencia a dicho Licenciante o al Autor Original, según lo solicitado por el Licenciante y conforme lo exige la cláusula 4(c).

b.	Usted no puede ejercer ninguno de los derechos que le han sido otorgados en la Sección 3 precedente de modo que estén principalmente destinados o directamente dirigidos a conseguir un provecho comercial o una compensación monetaria privada. El intercambio de la Obra por otras obras protegidas por derechos de autor, ya sea a través de un sistema para compartir archivos digitales (digital file-sharing) o de cualquier otra manera no será considerado como estar destinado principalmente o dirigido directamente a conseguir un provecho comercial o una compensación monetaria privada, siempre que no se realice un pago mediante una compensación monetaria en relación con el intercambio de obras protegidas por el derecho de autor.

c.	Si usted distribuye, exhibe públicamente, ejecuta públicamente o ejecuta públicamente en forma digital la Obra o cualquier Obra Derivada u Obra Colectiva, Usted debe mantener intacta toda la información de derecho de autor de la Obra y proporcionar, de forma razonable según el medio o manera que Usted esté utilizando: (i) el nombre del Autor Original si está provisto (o seudónimo, si fuere aplicable), y/o (ii) el nombre de la parte o las partes que el Autor Original y/o el Licenciante hubieren designado para la atribución (v.g., un instituto patrocinador, editorial, publicación) en la información de los derechos de autor del Licenciante, términos de servicios o de otras formas razonables; el título de la Obra si está provisto; en la medida de lo razonablemente factible y, si está provisto, el Identificador Uniforme de Recursos (Uniform Resource Identifier) que el Licenciante especifica para ser asociado con la Obra, salvo que tal URI no se refiera a la nota sobre los derechos de autor o a la información sobre el licenciamiento de la Obra; y en el caso de una Obra Derivada, atribuir el crédito identificando el uso de la Obra en la Obra Derivada (v.g., "Traducción Francesa de la Obra del Autor Original," o "Guión Cinematográfico basado en la Obra original del Autor Original"). Tal crédito puede ser implementado de cualquier forma razonable; en el caso, sin embargo, de Obras Derivadas u Obras Colectivas, tal crédito aparecerá, como mínimo, donde aparece el crédito de cualquier otro autor comparable y de una manera, al menos, tan destacada como el crédito de otro autor comparable.

d.	Para evitar toda confusión, el Licenciante aclara que, cuando la obra es una composición musical:

i.	Regalías por interpretación y ejecución bajo licencias generales. El Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública o la ejecución pública digital de la obra y de recolectar, sea individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, SAYCO), las regalías por la ejecución pública o por la ejecución pública digital de la obra (por ejemplo Webcast) licenciada bajo licencias generales, si la interpretación o ejecución de la obra está primordialmente orientada por o dirigida a la obtención de una ventaja comercial o una compensación monetaria privada.

ii.	Regalías por Fonogramas. El Licenciante se reserva el derecho exclusivo de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, los consagrados por la SAYCO), una agencia de derechos musicales o algún agente designado, las regalías por cualquier fonograma que Usted cree a partir de la obra (“versión cover”) y distribuya, en los términos del régimen de derechos de autor, si la creación o distribución de esa versión cover está primordialmente destinada o dirigida a obtener una ventaja comercial o una compensación monetaria privada.

e.	Gestión de Derechos de Autor sobre Interpretaciones y Ejecuciones Digitales (WebCasting). Para evitar toda confusión, el Licenciante aclara que, cuando la obra sea un fonograma, el Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública digital de la obra (por ejemplo, webcast) y de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, ACINPRO), las regalías por la ejecución pública digital de la obra (por ejemplo, webcast), sujeta a las disposiciones aplicables del régimen de Derecho de Autor, si esta ejecución pública digital está primordialmente dirigida a obtener una ventaja comercial o una compensación monetaria privada.

5. Representaciones, Garantías y Limitaciones de Responsabilidad.
A MENOS QUE LAS PARTES LO ACORDARAN DE OTRA FORMA POR ESCRITO, EL LICENCIANTE OFRECE LA OBRA (EN EL ESTADO EN EL QUE SE ENCUENTRA) “TAL CUAL”, SIN BRINDAR GARANTÍAS DE CLASE ALGUNA RESPECTO DE LA OBRA, YA SEA EXPRESA, IMPLÍCITA, LEGAL O CUALQUIERA OTRA, INCLUYENDO, SIN LIMITARSE A ELLAS, GARANTÍAS DE TITULARIDAD, COMERCIABILIDAD, ADAPTABILIDAD O ADECUACIÓN A PROPÓSITO DETERMINADO, AUSENCIA DE INFRACCIÓN, DE AUSENCIA DE DEFECTOS LATENTES O DE OTRO TIPO, O LA PRESENCIA O AUSENCIA DE ERRORES, SEAN O NO DESCUBRIBLES (PUEDAN O NO SER ESTOS DESCUBIERTOS). ALGUNAS JURISDICCIONES NO PERMITEN LA EXCLUSIÓN DE GARANTÍAS IMPLÍCITAS, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

6. Limitación de responsabilidad.
A MENOS QUE LO EXIJA EXPRESAMENTE LA LEY APLICABLE, EL LICENCIANTE NO SERÁ RESPONSABLE ANTE USTED POR DAÑO ALGUNO, SEA POR RESPONSABILIDAD EXTRACONTRACTUAL, PRECONTRACTUAL O CONTRACTUAL, OBJETIVA O SUBJETIVA, SE TRATE DE DAÑOS MORALES O PATRIMONIALES, DIRECTOS O INDIRECTOS, PREVISTOS O IMPREVISTOS PRODUCIDOS POR EL USO DE ESTA LICENCIA O DE LA OBRA, AUN CUANDO EL LICENCIANTE HAYA SIDO ADVERTIDO DE LA POSIBILIDAD DE DICHOS DAÑOS. ALGUNAS LEYES NO PERMITEN LA EXCLUSIÓN DE CIERTA RESPONSABILIDAD, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

7. Término.

a.	Esta Licencia y los derechos otorgados en virtud de ella terminarán automáticamente si Usted infringe alguna condición establecida en ella. Sin embargo, los individuos o entidades que han recibido Obras Derivadas o Colectivas de Usted de conformidad con esta Licencia, no verán terminadas sus licencias, siempre que estos individuos o entidades sigan cumpliendo íntegramente las condiciones de estas licencias. Las Secciones 1, 2, 5, 6, 7, y 8 subsistirán a cualquier terminación de esta Licencia.

b.	Sujeta a las condiciones y términos anteriores, la licencia otorgada aquí es perpetua (durante el período de vigencia de los derechos de autor de la obra). No obstante lo anterior, el Licenciante se reserva el derecho a publicar y/o estrenar la Obra bajo condiciones de licencia diferentes o a dejar de distribuirla en los términos de esta Licencia en cualquier momento; en el entendido, sin embargo, que esa elección no servirá para revocar esta licencia o que deba ser otorgada , bajo los términos de esta licencia), y esta licencia continuará en pleno vigor y efecto a menos que sea terminada como se expresa atrás. La Licencia revocada continuará siendo plenamente vigente y efectiva si no se le da término en las condiciones indicadas anteriormente.

8. Varios.

a.	Cada vez que Usted distribuya o ponga a disposición pública la Obra o una Obra Colectiva, el Licenciante ofrecerá al destinatario una licencia en los mismos términos y condiciones que la licencia otorgada a Usted bajo esta Licencia.

b.	Si alguna disposición de esta Licencia resulta invalidada o no exigible, según la legislación vigente, esto no afectará ni la validez ni la aplicabilidad del resto de condiciones de esta Licencia y, sin acción adicional por parte de los sujetos de este acuerdo, aquélla se entenderá reformada lo mínimo necesario para hacer que dicha disposición sea válida y exigible.

c.	Ningún término o disposición de esta Licencia se estimará renunciada y ninguna violación de ella será consentida a menos que esa renuncia o consentimiento sea otorgado por escrito y firmado por la parte que renuncie o consienta.

d.	Esta Licencia refleja el acuerdo pleno entre las partes respecto a la Obra aquí licenciada. No hay arreglos, acuerdos o declaraciones respecto a la Obra que no estén especificados en este documento. El Licenciante no se verá limitado por ninguna disposición adicional que pueda surgir en alguna comunicación emanada de Usted. Esta Licencia no puede ser modificada sin el consentimiento mutuo por escrito del Licenciante y Usted.
 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