{"id":458,"date":"2025-10-04T08:14:52","date_gmt":"2025-10-04T08:14:52","guid":{"rendered":"https:\/\/ecocretefiber.com\/?page_id=458"},"modified":"2025-10-28T14:08:03","modified_gmt":"2025-10-28T14:08:03","slug":"proyecto-del-tunel-de-la-bahia-de-qingdao-jiaozhou","status":"publish","type":"page","link":"https:\/\/ecocretefiber.com\/es\/proyectos\/proyecto-del-tunel-de-la-bahia-de-qingdao-jiaozhou\/","title":{"rendered":"Qingdao Jiaozhou Bay Tunnel Project"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"458\" class=\"elementor elementor-458\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1d68fafc elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"1d68fafc\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3112ee69\" data-id=\"3112ee69\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6400f3f9 elementor-icon-list--layout-inline elementor-list-item-link-inline elementor-align-center elementor-mobile-align-center elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"6400f3f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-safety\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">proyecto<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60dd54a9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"60dd54a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">T\u00fanel submarino de la bah\u00eda de Qingdao Jiaozhou<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1de6a4e5 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"1de6a4e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Control de grietas en segmentos y revestimientos con Ecocrete\u2122 Fibra de poli\u00e9ster.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5000161d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5000161d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-26123f6b\" data-id=\"26123f6b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2128813b elementor-invisible elementor-widget elementor-widget-image\" data-id=\"2128813b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1088\" height=\"685\" src=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/4e8b069c758046f3b95353512488bbc9.jpeg\" class=\"attachment-full size-full wp-image-471\" alt=\"Vista nocturna del interior del t\u00fanel submarino con veh\u00edculos y juntas de losa limpias\" srcset=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/4e8b069c758046f3b95353512488bbc9.jpeg 1088w, https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/4e8b069c758046f3b95353512488bbc9-300x189.jpeg 300w, https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/4e8b069c758046f3b95353512488bbc9-1024x645.jpeg 1024w, https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/4e8b069c758046f3b95353512488bbc9-768x484.jpeg 768w\" sizes=\"(max-width: 1088px) 100vw, 1088px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12a636f3 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"12a636f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Retos y soluciones<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36c7b028 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"36c7b028\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Presi\u00f3n hidrost\u00e1tica, cloruros, gradientes de temperatura - controlados<\/strong><\/h3><p>Control de las grietas en edades tempranas: El microrreforzamiento de poli\u00e9ster distribuido alivia la tensi\u00f3n de tracci\u00f3n en las puntas de las grietas para reducir la contracci\u00f3n pl\u00e1stica y las microfisuras t\u00e9rmicas en mezclas densas de baja relaci\u00f3n agua\/c.<\/p><p>Estanqueidad y bordes de juntas: La dureza a\u00f1adida despu\u00e9s de la rotura favorece la limpieza de los aristas alrededor de las juntas y reduce el desgarro de los bordes durante el transporte y el montaje.<\/p><p>Entorno marino: Las fibras de poli\u00e9ster no son corrosivas y presentan una baja absorci\u00f3n de humedad, lo que favorece una larga vida \u00fatil frente al microrrefuerzo de acero.<\/p><p>Colocaci\u00f3n y acabado: Las fibras Ecocrete\u2122 PET se dispersan r\u00e1pidamente en plantas de tambor o de mezcla central y son compatibles con la colocaci\u00f3n por bombeo y el acabado de moldes de segmentos cuando se siguen los pasos de dispersi\u00f3n est\u00e1ndar.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47cb1168 elementor-arrows-position-inside elementor-pagination-position-outside elementor-invisible elementor-widget elementor-widget-image-carousel\" data-id=\"47cb1168\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;,&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"\u56fe\u50cf\u8f6e\u64ad\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4&#039;nin 1&#039;si\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/60330d1dd23244c1967f4dfcb81340fc.png\" alt=\"Portal del t\u00fanel submarino de la bah\u00eda de Jiaozhou con se\u00f1alizaci\u00f3n y taludes ajardinados\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4&#039;nin 2&#039;si\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/\u6444\u56fe\u7f51_501591256_\u9752\u5c9b\u80f6\u5dde\u6e7e\u8de8\u6d77\u5927\u6865\u822a\u62cd\u975e\u4f01\u4e1a\u5546\u7528-scaled.jpg\" alt=\"Vista a\u00e9rea de la alineaci\u00f3n del puente y el t\u00fanel de la bah\u00eda de Qingdao Jiaozhou\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4&#039;nin 3&#039;si\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/992f59dc10274f0cac78e2412238aac1.png\" alt=\"Nudo del t\u00fanel con marquesina de obra y revestimiento curvo de hormig\u00f3n\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4&#039;nin 4&#039;si\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/ecocretefiber.com\/wp-content\/uploads\/2025\/10\/1e3427e146614f86a33dada9bfd05e41.png\" alt=\"Representaci\u00f3n conceptual de las bocas del t\u00fanel y las v\u00edas de acceso a la bah\u00eda de Jiaozhou\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08c6484 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"08c6484\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Grietas m\u00e1s estrechas, juntas m\u00e1s limpias, revestimiento fiable<\/strong><\/h3><p>Los equipos del proyecto observaron una menor anchura de las grietas en los vertidos afectados por el calor y un acabado superficial uniforme en los segmentos y en el revestimiento in situ. El refuerzo de fibra de poli\u00e9ster favorece la estanqueidad, reduce la frecuencia de los retoques y ayuda a mantener la durabilidad a largo plazo en un entorno con cloruros.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-108741a2\" data-id=\"108741a2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71636037 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"71636037\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Resumen del proyecto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d4e0728 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"5d4e0728\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Hormig\u00f3n duradero para t\u00faneles bajo alta presi\u00f3n de agua<\/strong><\/p><p><b><\/b>El t\u00fanel submarino de la bah\u00eda de Jiaozhou conecta Qingdao a trav\u00e9s de la bah\u00eda con largos tramos de t\u00fanel sumergido y perforado expuestos a una presi\u00f3n hidrost\u00e1tica continua y a agua de mar rica en cloruros. Para limitar la contracci\u00f3n pl\u00e1stica y el agrietamiento t\u00e9rmico prematuro en los segmentos, el revestimiento secundario y las reparaciones con hormig\u00f3n proyectado, la mezcla incorpor\u00f3 Ecocrete\u2122 Fibra de Poli\u00e9ster (PET). La fina red de fibras 3D ayuda a detener las microfisuras en su origen, favoreciendo la estanqueidad, la integridad de las juntas y la durabilidad a largo plazo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26d8de8b elementor-widget-mobile__width-inherit elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"26d8de8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-apartment1\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Aplicaci\u00f3n: segmentos prefabricados, revestimiento in situ, retoques de hormig\u00f3n proyectado<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-calendar3\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Tipo de fibra: Ecocrete\u2122 Fibra de poli\u00e9ster (longitudes t\u00edpicas 6-12 mm).<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-user\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Dosificaci\u00f3n t\u00edpica: 0,6-1,5 kg\/m\u00b3 (optimizar seg\u00fan dise\u00f1o de mezcla y colocaci\u00f3n)<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-map-marker1\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Ventajas: formaci\u00f3n contenida de grietas, menor anchura de las grietas, mayor tenacidad, resistencia a la corrosi\u00f3n.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b951669 elementor-widget elementor-widget-button\" data-id=\"b951669\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">P\u00f3ngase en contacto con<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>project Qingdao Jiaozhou Bay Subsea Tunnel Segment &amp; lining crack control with Ecocrete\u2122 Polyester Fiber Challenges &amp; Solution Hydrostatic Pressure, Chlorides, Temperature Gradients \u2014 Controlled Early-age cracking control: Distributed polyester micro-reinforcement relieves tensile stress at crack tips to reduce plastic shrinkage and thermal micro-cracks in dense, low-w\/c mixes. Watertightness &amp; joint edges: Added post-crack toughness [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"parent":108,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-458","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/pages\/458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/comments?post=458"}],"version-history":[{"count":14,"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/pages\/458\/revisions"}],"predecessor-version":[{"id":1606,"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/pages\/458\/revisions\/1606"}],"up":[{"embeddable":true,"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/pages\/108"}],"wp:attachment":[{"href":"https:\/\/ecocretefiber.com\/es\/wp-json\/wp\/v2\/media?parent=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}