{"id":119790,"date":"2026-01-22T13:12:11","date_gmt":"2026-01-22T12:12:11","guid":{"rendered":"https:\/\/www.maccaferri.com\/br\/success-stories\/losa-taller-de-matenimiento-chungar-pt\/"},"modified":"2026-03-31T14:46:01","modified_gmt":"2026-03-31T12:46:01","slug":"losa-taller-de-matenimiento-chungar-pt","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/br\/casos-de-sucesso\/losa-taller-de-matenimiento-chungar-pt\/","title":{"rendered":"LOSA TALLER DE MATENIMIENTO – CHUNGAR – PT"},"content":{"rendered":"
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Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Durante el a\u00c3\u00b1o 2006, la Empresa Administradora Chungar del grupo VOLCAN, tom\u00c3\u00b3 la decisi\u00c3\u00b3n de construir losas en los talleres de mantenimiento de maquinaria pesada. Debido a las grandes cargas de la maquinaria pesada que transitar\u00c3\u00ada en el taller, era necesario dise\u00c3\u00b1ar una losa de concreto armado. Este proyecto consist\u00c3\u00ada no solo de todas las losas que formaban parte del taller; sino tambi\u00c3\u00a9n, de las rampas de acceso que este tendr\u00c3\u00adan. El tr\u00c3\u00a1nsito de estos talleres ser\u00c3\u00ada muy considerable debido a la magnitud de la mina. Es de conocimiento general, que las obras en mina deben tener el m\u00c3\u00adnimo tiempo de ejecuci\u00c3\u00b3n posible para no perjudicar la extracci\u00c3\u00b3n de los minerales. Por ello era necesario que la losa tenga un procedimiento constructivo bastante sencillo y r\u00c3\u00a1pido. Adem\u00c3\u00a1s de las grandes cargas a las que estar\u00c3\u00ada expuesto este pavimento, se tendr\u00c3\u00adan las condiciones clim\u00c3\u00a1ticas presentes a 4,900 m.s.n.m, donde se presentan temperaturas de -5\u00c2\u00baC por la noche y de 25\u00c2\u00baC en el d\u00c3\u00ada.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Para obtener un alto rendimiento en la ejecuci\u00c3\u00b3n de la obra y una larga vida \u00c3\u00batil de la estructura en condici\u00c3\u00b3n de servicio; se present\u00c3\u00b3 una propuesta consistente en una losa de concreto que inclu\u00c3\u00ada el uso de fibra de acero Wirand. La soluci\u00c3\u00b3n original era de una losa convencional de 25 cm de espesor en concreto simple. La soluci\u00c3\u00b3n propuesta consist\u00c3\u00ada de una losa de concreto de 20 cm de espesor con una dosificaci\u00c3\u00b3n de 25 kg de Wirand FF1 por m\u00c2\u00b3 de concreto. Con el gran desempe\u00c3\u00b1o de las fibras de acero en el concreto se logr\u00c3\u00b3 reducir los espesores de la losa obteniendo un sustancial ahorro en el proyecto, y tambi\u00c3\u00a9n se mejor\u00c3\u00b3 la performance reflejada en mayor resistencia a la abrasi\u00c3\u00b3n, al impacto y a la fatiga. La asesor\u00c3\u00ada t\u00c3\u00a9cnica durante la elaboraci\u00c3\u00b3n del expediente y ejecuci\u00c3\u00b3n de la obra fue realizada por Maccaferri de Per\u00c3\u00ba.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Wirand\"<\/div>
Wirand<\/h6>As fibras Wirand\u00ae para refor\u00e7o de concreto s\u00e3o produzidas a partir de a\u00e7o de baixo teor de carbono, trefilado a frio. <\/span>Vis\u00e3o \n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Para obtener un alto rendimiento en la ejecuci\u00c3\u00b3n de la obra y una larga vida \u00c3\u00batil de la estructura en condici\u00c3\u00b3n de servicio; se present\u00c3\u00b3 u<\/p>\n","protected":false},"featured_media":10735,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-119790","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[118381],"applications":[118173,118173],"solutions":[118242],"sectors":[118146]},"yoast_head":"\nLOSA TALLER DE MATENIMIENTO - CHUNGAR - PT - Maccaferri Brasil<\/title>\n<meta name=\"description\" content=\"Explore nossas hist\u00f3rias de sucesso: LOSA TALLER DE MATENIMIENTO - CHUNGAR - PT. 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