{"id":4954,"date":"2025-12-10T09:42:52","date_gmt":"2025-12-10T09:42:52","guid":{"rendered":"https:\/\/eurohinca.com\/?p=4954"},"modified":"2026-03-12T11:48:07","modified_gmt":"2026-03-12T11:48:07","slug":"que-impacto-tienen-las-tecnologias-sin-zanja-en-el-capex-y-el-opex-frente-a-la-excavacion-a-cielo-abierto","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/en\/que-impacto-tienen-las-tecnologias-sin-zanja-en-el-capex-y-el-opex-frente-a-la-excavacion-a-cielo-abierto\/","title":{"rendered":"\u00bfQu\u00e9 impacto tienen las Tecnolog\u00edas SIN zanja en el CAPEX y el OPEX frente a la excavaci\u00f3n a cielo abierto?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4954\" class=\"elementor elementor-4954\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6327ef e-flex e-con-boxed e-con e-parent\" data-id=\"d6327ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d3dfe2 elementor-widget elementor-widget-text-editor\" data-id=\"0d3dfe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"546\" data-end=\"955\">The <strong data-start=\"550\" data-end=\"575\">Tecnolog\u00edas SIN zanja<\/strong> \u2014microt\u00fanel, HDD, Direct Pipe y variantes de escudo cerrado\u2014 generan un impacto directo sobre el <strong data-start=\"673\" data-end=\"702\">CAPEX (inversi\u00f3n inicial)<\/strong> and the <strong data-start=\"708\" data-end=\"734\">OPEX (coste operativo)<\/strong> frente a la excavaci\u00f3n a cielo abierto. Su ventaja principal radica en que permiten instalar conducciones y t\u00faneles <strong data-start=\"851\" data-end=\"881\">sin abrir zanjas continuas<\/strong>, reduciendo movimientos de tierras, reposiciones y afecciones al entorno.<\/p><p data-start=\"957\" data-end=\"1159\">Eurohinca, con m\u00e1s de 120 km ejecutados desde 1996, observa que el ahorro y la eficiencia no provienen \u00fanicamente del m\u00e9todo constructivo, sino de c\u00f3mo este minimiza riesgos, plazos y costes indirectos.<\/p><h2 data-start=\"1166\" data-end=\"1192\"><strong data-start=\"1169\" data-end=\"1192\">1. Impacto en CAPEX<\/strong><\/h2><p data-start=\"1194\" data-end=\"1225\">El CAPEX se optimiza gracias a:<\/p><h3 data-start=\"1227\" data-end=\"1265\">\u25cf Menor obra civil en superficie<\/h3><p data-start=\"1266\" data-end=\"1600\">La excavaci\u00f3n tradicional exige retirar pavimentos, abrir zanjas profundas, desviar tr\u00e1fico, reponer servicios existentes y ejecutar rellenos y compactaciones.<br data-start=\"1425\" data-end=\"1428\" \/>Las tecnolog\u00edas SIN zanja limitan la actuaci\u00f3n a <strong data-start=\"1477\" data-end=\"1525\">dos pozos y una traza subterr\u00e1nea mecanizada<\/strong>, reduciendo las partidas de obra civil en entornos urbanos o industriales.<\/p><p data-start=\"1602\" data-end=\"1788\">Una visi\u00f3n general del valor de estas soluciones para ciudad aparece en <strong data-start=\"1674\" data-end=\"1784\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/urban-sewage-systems\/\" target=\"_new\" rel=\"noopener\" data-start=\"1676\" data-end=\"1782\">sistemas de alcantarillado urbano sin zanja<\/a><\/strong>.<\/p><h3 data-start=\"1790\" data-end=\"1836\">\u25cf Reducci\u00f3n de afecciones y reposiciones<\/h3><p data-start=\"1837\" data-end=\"2020\">Se evita la reposici\u00f3n de pavimentos complejos, urbanizaci\u00f3n, firmes especiales o accesos industriales. Tambi\u00e9n disminuye el coste asociado a servidumbres temporales y expropiaciones.<\/p><h3 data-start=\"2022\" data-end=\"2071\">\u25cf Mayor certidumbre en terrenos complicados<\/h3><p data-start=\"2072\" data-end=\"2501\">En presencia de roca, nivel fre\u00e1tico elevado, suelos inestables o interferencias, la zanja abierta puede encarecerse dr\u00e1sticamente.<br data-start=\"2203\" data-end=\"2206\" \/>El microt\u00fanel o el hidroescudo permiten <strong data-start=\"2246\" data-end=\"2280\">controlar la presi\u00f3n de frente<\/strong> y estabilizar el avance sin sobrecostes inesperados, como se explica en <strong data-start=\"2353\" data-end=\"2497\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/pressure-management-under-high-groundwater-with-hydroshields\/\" target=\"_new\" rel=\"noopener\" data-start=\"2355\" data-end=\"2495\">pressure management under high groundwater<\/a><\/strong>.<\/p><h3 data-start=\"2503\" data-end=\"2554\">\u25cf Menos condicionantes de tr\u00e1fico y servicios<\/h3><p data-start=\"2555\" data-end=\"2715\">Los desv\u00edos, cortes y autorizaciones especiales suponen costes log\u00edsticos y administrativos que desaparecen casi por completo con m\u00e9todos mecanizados SIN zanja.<\/p><h2 data-start=\"2722\" data-end=\"2747\"><strong data-start=\"2725\" data-end=\"2747\">2. Impacto en OPEX<\/strong><\/h2><p data-start=\"2749\" data-end=\"2838\">Los beneficios operativos se manifiestan durante toda la vida \u00fatil de la infraestructura:<\/p><h3 data-start=\"2840\" data-end=\"2879\">\u25cf Mejor comportamiento hidr\u00e1ulico<\/h3><p data-start=\"2880\" data-end=\"3063\">La precisi\u00f3n del microt\u00fanel permite ejecutar trazados \u00f3ptimos y pendientes exactas, lo que reduce p\u00e9rdidas de carga, evita puntos de atasco y minimiza consumos energ\u00e9ticos en bombeos.<\/p><h3 data-start=\"3065\" data-end=\"3112\">\u25cf Menor mantenimiento y menos incidencias<\/h3><p data-start=\"3113\" data-end=\"3469\">Al reducir asentamientos, infiltraciones y roturas por mala compactaci\u00f3n de zanjas, disminuye la necesidad de reparaciones.<br data-start=\"3236\" data-end=\"3239\" \/>Esto es especialmente relevante en redes de saneamiento y drenaje, comentado en la gu\u00eda <strong data-start=\"3327\" data-end=\"3465\"><a class=\"decorated-link cursor-pointer\" target=\"_new\" rel=\"noopener\" data-start=\"3329\" data-end=\"3463\">c\u00f3mo se construyen colectores de alcantarillado sin zanja<\/a><\/strong>.<\/p><h3 data-start=\"3471\" data-end=\"3505\">\u25cf Mayor vida \u00fatil del activo<\/h3><p data-start=\"3506\" data-end=\"3676\">Las tuber\u00edas instaladas mediante microt\u00fanel suelen presentar menor ovalizaci\u00f3n, mejor control de juntas y menos da\u00f1os mec\u00e1nicos, lo que alarga la durabilidad del sistema.<\/p><h2 data-start=\"3683\" data-end=\"3725\"><strong data-start=\"3686\" data-end=\"3725\">3. Beneficios econ\u00f3micos indirectos<\/strong><\/h2><p data-start=\"3727\" data-end=\"3805\">Adem\u00e1s del CAPEX\/OPEX, las tecnolog\u00edas SIN zanja aportan ahorros derivados de:<\/p><ul data-start=\"3807\" data-end=\"4053\"><li data-start=\"3807\" data-end=\"3867\"><p data-start=\"3809\" data-end=\"3867\">Menores afecciones a residentes, comercios e industrias.<\/p><\/li><li data-start=\"3868\" data-end=\"3920\"><p data-start=\"3870\" data-end=\"3920\">Reducci\u00f3n de emisiones y transporte de material.<\/p><\/li><li data-start=\"3921\" data-end=\"4001\"><p data-start=\"3923\" data-end=\"4001\">Menor interferencia en operaciones cr\u00edticas (plantas, puertos, aeropuertos).<\/p><\/li><li data-start=\"4002\" data-end=\"4053\"><p data-start=\"4004\" data-end=\"4053\">Mejor aceptaci\u00f3n social y permisos m\u00e1s r\u00e1pidos.<\/p><\/li><\/ul><p data-start=\"4055\" data-end=\"4275\">Muchos de estos beneficios se evidencian en obras complejas recogidas en <strong data-start=\"4128\" data-end=\"4189\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/works\/\" target=\"_new\" rel=\"noopener\" data-start=\"4130\" data-end=\"4187\">proyectos de Eurohinca<\/a><\/strong>, donde los m\u00e9todos mecanizados evitaron cortes prolongados o afecciones sensibles.<\/p><h2 data-start=\"4282\" data-end=\"4353\"><strong data-start=\"4285\" data-end=\"4353\">4. Cuando la excavaci\u00f3n a cielo abierto sigue siendo competitiva<\/strong><\/h2><ul data-start=\"4355\" data-end=\"4501\"><li data-start=\"4355\" data-end=\"4398\"><p data-start=\"4357\" data-end=\"4398\">Trazados muy cortos en suelos estables.<\/p><\/li><li data-start=\"4399\" data-end=\"4449\"><p data-start=\"4401\" data-end=\"4449\">Zonas sin urbanizaci\u00f3n ni servicios afectados.<\/p><\/li><li data-start=\"4450\" data-end=\"4501\"><p data-start=\"4452\" data-end=\"4501\">Di\u00e1metros peque\u00f1os con profundidades reducidas.<\/p><\/li><\/ul><p data-start=\"4503\" data-end=\"4739\">En estos casos, ambas soluciones deben compararse en un <strong data-start=\"4559\" data-end=\"4586\">estudio de alternativas<\/strong>, como se describe en <strong data-start=\"4608\" data-end=\"4735\"><a class=\"decorated-link cursor-pointer\" target=\"_new\" rel=\"noopener\" data-start=\"4610\" data-end=\"4733\">c\u00f3mo elegir entre microt\u00fanel, HDD y Direct Pipe<\/a><\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Las Tecnolog\u00edas SIN zanja \u2014microt\u00fanel, HDD, Direct Pipe y variantes de escudo cerrado\u2014 generan un impacto directo sobre el CAPEX (inversi\u00f3n inicial) y el OPEX (coste operativo) frente a la excavaci\u00f3n a cielo abierto. Su ventaja principal radica en que permiten instalar conducciones y t\u00faneles sin abrir zanjas continuas, reduciendo movimientos de tierras, reposiciones y [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[],"class_list":["post-4954","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microt\u00fanel y tecnolog\u00edas sin zanja en CAPEX y OPEX<\/title>\n<meta name=\"description\" content=\"C\u00f3mo las tecnolog\u00edas SIN zanja reducen CAPEX y OPEX frente a la excavaci\u00f3n a cielo abierto: menos obra civil y mayor precisi\u00f3n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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