{"id":756,"date":"1970-01-01T00:00:00","date_gmt":"1970-01-01T04:00:00","guid":{"rendered":"https:\/\/ctes.raydot.cl\/presidente-de-ita-aites-participara-en-sasore-2018\/"},"modified":"1970-01-01T00:00:00","modified_gmt":"1970-01-01T04:00:00","slug":"presidente-de-ita-aites-participara-en-sasore-2018","status":"publish","type":"post","link":"https:\/\/ctes.raydot.cl\/en\/presidente-de-ita-aites-participara-en-sasore-2018\/","title":{"rendered":"Presidente de ITA \u2013 AITES participar\u00e1 en SASORE 2018"},"content":{"rendered":"<p>El pr\u00f3ximo 19, 20 y 21 de noviembre se llevar\u00e1 a cabo el tercer Simposio Sudamericano de Excavaciones en Roca, instancia donde participar\u00e1 como keynotes Tarcisio Celestino, Presidente de ITA \u2013 AITES.<\/p>\n<p>La presentaci\u00f3n de Tarcisio Celestino ser\u00e1 sobre la localizaci\u00f3n tridimensional de fisuras microsc\u00f3picas inducidas en macizos rocosos es necesaria para determinar las tendencias en p\u00e9rdida de resistencia y disminuci\u00f3n de rigidez con el da\u00f1o. Asimismo, sobre las fuentes de da\u00f1o al interior de materiales fr\u00e1giles pueden ser localizadas usando la t\u00e9cnica de Emisi\u00f3n Ac\u00fastica (EA).<\/p>\n<p>Generalmente, las t\u00e9cnicas de EA adoptan un valor constante para la velocidad de propagaci\u00f3n de ondas P, vp, medida antes del inicio del proceso de fisuramiento. El da\u00f1o inducido en un material fr\u00e1gil sometido a carga cambia su rigidez, afectando su valor de vp. La localizaci\u00f3n tridimensional de fuentes de EA realizada sin considerar tal variaci\u00f3n en vp puede traer consigo errores y patrones de fisuramiento poco realistas. Adem\u00e1s, la tendencia de vp provee de informaciones sobre la distribuci\u00f3n de rigidez del material. Ser\u00e1 presentado un algoritmo tridimensional iterativo mejorado llamado CLAPWaVe (Crack Location by Acoustic emission with P-Wave Velocity determination). CLAPWaVe calcula tanto las coordenadas de cada fuente de EA como sus correspondientes valores de vp. Con CLAPWaVe se obtuvieron patrones de fisuramiento m\u00e1s realistas y diferentes de aquellos obtenidos con t\u00e9cnicas que adoptan vp constante.<\/p>\n<p>CLAPWaVe fue comparado con otro algoritmo, el cual requiere la definici\u00f3n de vp (constante) previo al inicio del monitoreo. CLAPWaVe mostr\u00f3 los resultados m\u00e1s precisos cuando es aplicado a ensayos reales en que se induce da\u00f1o a los cuerpos de prueba. Esta t\u00e9cnica fue aplicada a ensayos de compresi\u00f3n diametral con control de desplazamiento en dos tipos de roca, monzogranito y m\u00e1rmol. Se observ\u00f3 que tanto el proceso como el patr\u00f3n de fisuramiento son fuertemente dependientes de la microestructura de la roca. La variabilidad de la resistencia a la tracci\u00f3n a escala del cuerpo de prueba puede ser determinada. Se observ\u00f3 una dispersi\u00f3n significativamente mayor en m\u00e1rmol que monzogranito.<\/p>\n<p>Para saber m\u00e1s sobre SASORE 2018 ingrese <a href=\"https:\/\/www.sasore.com\/\">aqu\u00ed<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El pr\u00f3ximo 19, 20 y 21 de noviembre se llevar\u00e1 a cabo el tercer Simposio Sudamericano de Excavaciones en Roca, instancia donde participar\u00e1 como keynotes Tarcisio Celestino, Presidente de ITA \u2013 AITES. La presentaci\u00f3n de Tarcisio Celestino ser\u00e1 sobre la localizaci\u00f3n tridimensional de fisuras microsc\u00f3picas inducidas en macizos rocosos es necesaria para determinar las tendencias [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-756","post","type-post","status-publish","format-standard","hentry","category-sin-categorizar","pmpro-has-access"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Presidente de ITA \u2013 AITES participar\u00e1 en SASORE 2018 - CTES DEV<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Presidente de ITA \u2013 AITES participar\u00e1 en SASORE 2018 - CTES DEV\" \/>\n<meta property=\"og:description\" content=\"El pr\u00f3ximo 19, 20 y 21 de noviembre se llevar\u00e1 a cabo el tercer Simposio Sudamericano de Excavaciones en Roca, instancia donde participar\u00e1 como keynotes Tarcisio Celestino, Presidente de ITA \u2013 AITES. 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