{"id":72943,"date":"2023-10-12T12:13:20","date_gmt":"2023-10-12T11:13:20","guid":{"rendered":"https:\/\/teoriadeconstruccion.net\/blog\/?p=72943"},"modified":"2023-10-12T12:13:23","modified_gmt":"2023-10-12T11:13:23","slug":"cortes-y-juntas-en-el-hormigon","status":"publish","type":"post","link":"https:\/\/teoriadeconstruccion.net\/blog\/cortes-y-juntas-en-el-hormigon\/","title":{"rendered":"Cortes y juntas en el hormig\u00f3n"},"content":{"rendered":"\n<p>Probablemente te hayas fijado en que el hormig\u00f3n tiene juntas o cortes con una cierta regularidad. \u00bfConoces los criterios que se toman para poder realizar alg\u00fan <a href=\"https:\/\/www.pavifar.com\/corte-hormigon\" target=\"_blank\" rel=\"noreferrer noopener\">corte de hormig\u00f3n en fresco<\/a> o para la ejecuci\u00f3n de juntas de hormigonado? <\/p>\n\n\n\n<p>La raz\u00f3n principal es que el hormig\u00f3n se mueve, y por esta raz\u00f3n debemos de controlar por donde se mueve. Si realizamos grandes extensiones de hormig\u00f3n sin juntas lo m\u00e1s probable es que nos encontremos con fisuras, grietas y por tanto perdamos la continuidad del acabado. En estas ocasiones las fisuras y griegas producen la entrada de agua, aire, semillas&#8230; que puede producir m\u00e1s patolog\u00edas.<\/p>\n\n\n\n<p>El C\u00f3digo Estructural y la antigua EHE-08 establecen unas longitudes m\u00e1ximas para estructuras de hormig\u00f3n. Teniendo en cuenta estas distancias hay que colocar juntas, esto es, el hormig\u00f3n se separa desde el encofrado, sin unir las armaduras ni los hormigonados, solamente se unen en cimentaci\u00f3n.<\/p>\n\n\n\n<p>Hay que distinguir estas juntas estructurales de los cortes producidos por el movimiento de hormig\u00f3n, bien en su proceso de fraguado y endurecimiento, bien por su comportamiento a lo largo del tiempo. <\/p>\n\n\n\n<p>En un pavimento de hormig\u00f3n lo m\u00e1s habitual es que tengas una solera de 10 a 20 cm de espesor sobre un encachado de piedra, un hormig\u00f3n de limpieza (que este no necesita juntas) o sobre alg\u00fan tipo de elemento separador (poliestilenos, polipropilenos&#8230;) En estos casos el hormig\u00f3n debe de ser armado, bien con armadura de acero o bien con la armadura de fibras. Es aqu\u00ed donde las juntas se realizan en fresco, bien se realizan en el encofrado o se realizan en fresco, al dia siguiente del hormigonado. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tipos de cortes y juntas<\/h2>\n\n\n\n<p>Las juntas encofradas son elementos que provocan que el hormig\u00f3n se separe. Puede entenderse como una tableta de chocolate en la que, si el hormig\u00f3n rompe, rompe por la marca indicada.  En esta visualizaci\u00f3n, realizada solamenta a efectos ilustrativos, no real, podemos entender este procedimiento. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-1.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"966\" height=\"802\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-1.png?resize=966%2C802&#038;ssl=1\" alt=\"\" class=\"wp-image-72944\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-1.png?w=966&amp;ssl=1 966w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-1.png?resize=300%2C249&amp;ssl=1 300w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-1.png?resize=768%2C638&amp;ssl=1 768w\" sizes=\"(max-width: 966px) 100vw, 966px\" \/><\/a><\/figure>\n\n\n\n<p>Durante el proceso de fraguado del hormig\u00f3n, si las condiciones ambientales no acompa\u00f1an, por ejemplo si hace mucho calor, el hormig\u00f3n retrae mucho. Para controlar la fisuraci\u00f3n del hormig\u00f3n por retracci\u00f3n se realizan cortes en las primeras horas de fraguado, generalmente al dia siguiente, cuando se puede pisar el hormig\u00f3n sin dejar huella. Los cortes se realizan con sierra de corte con agua y con unas distancias recomendadas de 3 m entre juntas. Este tipo de corte se realiza en procesos de pavimentaci\u00f3n de carreteras, aceras, o estacionamientos.<\/p>\n\n\n\n<p>Cuando se realiza un pavimentado dentro de un recinto con pilares lo m\u00e1s habitual es que existan cortes en la direcci\u00f3n de los pilares, y que alrededor del pilar exista un corte (o una junta realizada con poliestireno u cualquier l\u00e1mina met\u00e1lica) que apunte en la direcci\u00f3n de las juntas entre pilares. Generalmente se colocan juntas circulares alrededor del pilar o se realizan cortes a 45\u00ba. Seg\u00fan la imagen. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"503\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?resize=1024%2C503&#038;ssl=1\" alt=\"\" class=\"wp-image-72945\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?resize=1024%2C503&amp;ssl=1 1024w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?resize=300%2C147&amp;ssl=1 300w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?resize=768%2C377&amp;ssl=1 768w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-2.png?w=1173&amp;ssl=1 1173w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Cuando tenemos las juntas m\u00ednimas, podemos recrearnos y buscar patrones decorativos o texturas en la superficie de hormig\u00f3n, el corte se realiza despu\u00e9s de que el hormig\u00f3n haya endurecido pero antes de que est\u00e9 completamente curado. Cuanto m\u00e1s peque\u00f1o sea el despiece mejor se podr\u00e1 comportar la solera de hormig\u00f3n a efectos de rotura o fisuraci\u00f3n. Sin embargo hay que tener en cuenta que las juntas son puntos de entrada de agua, que en funci\u00f3n de en que situaci\u00f3n se encuentren, podr\u00e1 ser un problema que cause futuras patolog\u00edas. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ojo! no confundir este tipo de cortes y juntas! <\/h2>\n\n\n\n<p>Unas son superficiales (podr\u00eda no haberlas con el riesgo exclusivo de que haya fisuras o roturas irregulares en la superficie)  y otras estructurales (atraviesan todo el edificio)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-3.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"308\" height=\"320\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-3.png?resize=308%2C320&#038;ssl=1\" alt=\"\" class=\"wp-image-72946\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-3.png?w=308&amp;ssl=1 308w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-3.png?resize=289%2C300&amp;ssl=1 289w\" sizes=\"(max-width: 308px) 100vw, 308px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>junta de retracci\u00f3n mediante corte de disco<\/em><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-4.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"294\" height=\"304\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-4.png?resize=294%2C304&#038;ssl=1\" alt=\"\" class=\"wp-image-72947\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-4.png?w=294&amp;ssl=1 294w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-4.png?resize=290%2C300&amp;ssl=1 290w\" sizes=\"(max-width: 294px) 100vw, 294px\" \/><\/a><figcaption class=\"wp-element-caption\">junta de trabajo <\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-5.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-5.png?resize=299%2C267&#038;ssl=1\" alt=\"\" class=\"wp-image-72948\" style=\"width:299px;height:267px\" width=\"299\" height=\"267\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-5.png?w=443&amp;ssl=1 443w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-5.png?resize=300%2C267&amp;ssl=1 300w\" sizes=\"(max-width: 299px) 100vw, 299px\" \/><\/a><figcaption class=\"wp-element-caption\">junta en pavimento con perfil met\u00e1lico<\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-6.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-6.png?resize=315%2C266&#038;ssl=1\" alt=\"\" class=\"wp-image-72949\" style=\"width:315px;height:266px\" width=\"315\" height=\"266\" srcset=\"https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-6.png?w=583&amp;ssl=1 583w, https:\/\/i0.wp.com\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/image-6.png?resize=300%2C254&amp;ssl=1 300w\" sizes=\"(max-width: 315px) 100vw, 315px\" \/><\/a><figcaption class=\"wp-element-caption\">junta de movimiento (junta estructural)<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Probablemente te hayas fijado en que el hormig\u00f3n tiene juntas o cortes con una cierta regularidad. \u00bfConoces los criterios que se toman para poder realizar alg\u00fan corte de hormig\u00f3n en fresco o para la ejecuci\u00f3n de juntas de hormigonado? La raz\u00f3n principal es que el hormig\u00f3n se mueve, y por esta raz\u00f3n debemos de controlar&hellip;&nbsp;<a href=\"https:\/\/teoriadeconstruccion.net\/blog\/cortes-y-juntas-en-el-hormigon\/\" rel=\"bookmark\">Leer m\u00e1s &raquo;<span class=\"screen-reader-text\">Cortes y juntas en el hormig\u00f3n<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":72950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[61,80,90,91],"tags":[],"class_list":["post-72943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-encofrado","category-hormigon","category-junta","category-juntas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cortes y juntas en el hormig\u00f3n - Teor\u00eda de construcci\u00f3n<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/teoriadeconstruccion.net\/blog\/cortes-y-juntas-en-el-hormigon\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cortes y juntas en el hormig\u00f3n - Teor\u00eda de construcci\u00f3n\" \/>\n<meta property=\"og:description\" content=\"Probablemente te hayas fijado en que el hormig\u00f3n tiene juntas o cortes con una cierta regularidad. \u00bfConoces los criterios que se toman para poder realizar alg\u00fan corte de hormig\u00f3n en fresco o para la ejecuci\u00f3n de juntas de hormigonado? La raz\u00f3n principal es que el hormig\u00f3n se mueve, y por esta raz\u00f3n debemos de controlar&hellip;&nbsp;Leer m\u00e1s &raquo;Cortes y juntas en el hormig\u00f3n\" \/>\n<meta property=\"og:url\" content=\"https:\/\/teoriadeconstruccion.net\/blog\/cortes-y-juntas-en-el-hormigon\/\" \/>\n<meta property=\"og:site_name\" content=\"Teor\u00eda de construcci\u00f3n\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/teoriadeconstru\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-12T11:13:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-12T11:13:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/teoriadeconstruccion.net\/blog\/wp-content\/uploads\/2023\/10\/pexels-photo-1088169.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1300\" \/>\n\t<meta property=\"og:image:height\" content=\"1300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"luissantalla\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@teoriadeconstru\" \/>\n<meta name=\"twitter:site\" content=\"@teoriadeconstru\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"luissantalla\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/\"},\"author\":{\"name\":\"luissantalla\",\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/#\\\/schema\\\/person\\\/97bc651383e78ac257b38d0846ac73ca\"},\"headline\":\"Cortes y juntas en el hormig\u00f3n\",\"datePublished\":\"2023-10-12T11:13:20+00:00\",\"dateModified\":\"2023-10-12T11:13:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/\"},\"wordCount\":679,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/teoriadeconstruccion.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/pexels-photo-1088169.jpeg?fit=1300%2C1300&ssl=1\",\"articleSection\":[\"encofrado\",\"hormig\u00f3n\",\"junta\",\"juntas\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/\",\"url\":\"https:\\\/\\\/teoriadeconstruccion.net\\\/blog\\\/cortes-y-juntas-en-el-hormigon\\\/\",\"name\":\"Cortes y juntas en el hormig\u00f3n - 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