dor_id: 41572

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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/3715/3682

100.1.#.a: Córdoba Rodríguez, O.; del Castillo Mussot, M.; Montemayor Aldrete, J. A.

524.#.#.a: Córdoba Rodríguez, O., et al. (2009). Some studies on safe maximum packing of live agents in crowds or containers. Revista Mexicana de Física; Vol 55, No 6: 450-0. Recuperado de https://repositorio.unam.mx/contenidos/41572

245.1.0.a: Some studies on safe maximum packing of live agents in crowds or containers

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2009

264.#.1.c: 2009-01-01

653.#.#.a: Granular systems; medical physics; elasticity; pressure or forces in macroscopic solids

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2009-01-01, para un uso diferente consultar al responsable jurídico del repositorio por medio de rmf@ciencias.unam.mx

884.#.#.k: https://rmf.smf.mx/ojs/rmf/article/view/3715

001.#.#.#: oai:ojs.rmf.smf.mx:article/3715

041.#.7.h: eng

520.3.#.a: We study the geometrical and physical conditions for maximizing the safe packing of live agents in crowds or in containers, like wagons or subways. In order to accommodate small children in interstitial spaces among adults, we first approximate standing-up people, as observed from above, as circles or ellipses. According to our results, in very crowded conditions babies are better protected only among ``athletic'' adults (in the sense that their shoulder-shoulder lateral distance is sufficiently larger than their lateral waist) by positioning them on the adults flank at kidney level. In several adults we applied sustained pectoral or thoracic pressure in order to find the applied force dependence of the chest compression, and the maximum chest compression before not being able to breathe. For every five people barely fitting in a container, we can barely accommodate one more person, due to the chest compression of all persons. Practical recommendations are given in very crowded situations.

773.1.#.t: Revista Mexicana de Física; Vol 55, No 6 (2009): 450-0

773.1.#.o: https://rmf.smf.mx/ojs/rmf/index

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handle: 66bba3aa3b03178a

harvesting_date: 2020-09-23 00:00:00.0

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last_modified: 2020-11-27 00:00:00

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Artículo

Some studies on safe maximum packing of live agents in crowds or containers

Córdoba Rodríguez, O.; del Castillo Mussot, M.; Montemayor Aldrete, J. A.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Córdoba Rodríguez, O., et al. (2009). Some studies on safe maximum packing of live agents in crowds or containers. Revista Mexicana de Física; Vol 55, No 6: 450-0. Recuperado de https://repositorio.unam.mx/contenidos/41572

Descripción del recurso

Autor(es)
Córdoba Rodríguez, O.; del Castillo Mussot, M.; Montemayor Aldrete, J. A.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Some studies on safe maximum packing of live agents in crowds or containers
Fecha
2009-01-01
Resumen
We study the geometrical and physical conditions for maximizing the safe packing of live agents in crowds or in containers, like wagons or subways. In order to accommodate small children in interstitial spaces among adults, we first approximate standing-up people, as observed from above, as circles or ellipses. According to our results, in very crowded conditions babies are better protected only among ``athletic'' adults (in the sense that their shoulder-shoulder lateral distance is sufficiently larger than their lateral waist) by positioning them on the adults flank at kidney level. In several adults we applied sustained pectoral or thoracic pressure in order to find the applied force dependence of the chest compression, and the maximum chest compression before not being able to breathe. For every five people barely fitting in a container, we can barely accommodate one more person, due to the chest compression of all persons. Practical recommendations are given in very crowded situations.
Tema
Granular systems; medical physics; elasticity; pressure or forces in macroscopic solids
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

Enlaces