{"id":262,"date":"2025-07-26T03:08:39","date_gmt":"2025-07-26T03:08:39","guid":{"rendered":"https:\/\/www.bridgebearings.net\/?post_type=bridge-bearings&#038;p=262"},"modified":"2025-08-07T10:29:09","modified_gmt":"2025-08-07T10:29:09","slug":"pot-bridge-bearings","status":"publish","type":"bridge-bearings","link":"https:\/\/www.bridgebearings.net\/pt\/bridge-bearings\/pot-bridge-bearings\/","title":{"rendered":"Rolamentos de ponte de pote"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A Aohong fabrica rolamentos de pote concebidos para lidar com cargas verticais combinadas, for\u00e7as horizontais e rota\u00e7\u00f5es multidireccionais em estruturas de pontes. Cada unidade consiste em um pote de a\u00e7o, almofada elastom\u00e9rica, placa deslizante de a\u00e7o inoxid\u00e1vel e anel de veda\u00e7\u00e3o, permitindo que o rolamento acomode rota\u00e7\u00f5es de at\u00e9 0,03 radianos e deslocamentos de \u00b150 mm a \u00b1300 mm. Estes rolamentos s\u00e3o amplamente utilizados em pontes rodovi\u00e1rias e ferrovi\u00e1rias, pontes de grande v\u00e3o e pontes estaiadas onde \u00e9 necess\u00e1ria uma elevada capacidade de carga e uma manuten\u00e7\u00e3o m\u00ednima.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Conce\u00e7\u00e3o estrutural e componentes<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">As chumaceiras Pot combinam um pote de a\u00e7o r\u00edgido, um disco de elast\u00f3mero, uma superf\u00edcie deslizante de PTFE e um sistema de veda\u00e7\u00e3o de alta resist\u00eancia para suportar grandes reac\u00e7\u00f5es verticais superiores a 50.000 kN. O elast\u00f3mero comporta-se como um fluido confinado sob press\u00e3o, permitindo um movimento de rota\u00e7\u00e3o controlado, enquanto as interfaces PTFE-a\u00e7o inoxid\u00e1vel permitem um deslizamento horizontal suave. As carater\u00edsticas opcionais incluem calhas de guia para movimento unidirecional e revestimentos de prote\u00e7\u00e3o contra a corros\u00e3o para ambientes agressivos.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"480\" data-id=\"279\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/gpz-highway-bridge-pot-bearing.png\" alt=\"Diagrama do rolamento da ponte de pote GPZ\" class=\"wp-image-279\"\/><figcaption class=\"wp-element-caption\">Diagrama do rolamento da ponte de pote GPZ<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1000\" height=\"480\" data-id=\"281\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/gpz-ii-pot-bearing.png\" alt=\"Diagrama do rolamento da ponte de pote GPZ II\" class=\"wp-image-281\"\/><figcaption class=\"wp-element-caption\">Diagrama do rolamento da ponte de pote GPZ II<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1000\" height=\"480\" data-id=\"280\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/gpz-III-seismic-pot-bearing.png\" alt=\"Diagrama do suporte da ponte s\u00edsmica GPZ III\" class=\"wp-image-280\"\/><figcaption class=\"wp-element-caption\">Diagrama do suporte da ponte s\u00edsmica GPZ III<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"480\" data-id=\"282\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/gpz-kz-seismic-bearing.png\" alt=\"Diagrama da chumaceira de ponte de pote GPZ (KZ)\" class=\"wp-image-282\"\/><figcaption class=\"wp-element-caption\">Diagrama da chumaceira de ponte de pote GPZ (KZ)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tipos de rolamentos de vasos<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rolamentos de pote fixo<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estes rolamentos permitem o movimento de rota\u00e7\u00e3o mas restringem as desloca\u00e7\u00f5es horizontais. S\u00e3o normalmente utilizados quando os movimentos longitudinais e transversais t\u00eam de ser controlados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rolamentos deslizantes guiados<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Concebidos com guias de bordo ou de centro, estes rolamentos permitem a rota\u00e7\u00e3o e o deslizamento longitudinal, limitando o movimento transversal. Os campos de deslocamento padr\u00e3o s\u00e3o de \u00b150 mm a \u00b1250 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rolamentos de deslizamento livre<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Permitindo movimentos horizontais rotativos e multidireccionais, estes rolamentos s\u00e3o adequados para pontes curvas ou inclinadas com reac\u00e7\u00f5es de extremidade significativas.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"270\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/fixed-pot-bearing-diagram.jpg\" alt=\"Rolamentos de pote fixo\" class=\"wp-image-270\"\/><figcaption class=\"wp-element-caption\">Rolamentos de pote fixo<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"269\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/edge-guided-pot-bearing-diagram.jpg\" alt=\"Rolamentos de vasos guiados\" class=\"wp-image-269\"\/><figcaption class=\"wp-element-caption\">Rolamentos de vasos guiados<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"271\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/free-sliding-bearing-diagram.jpg\" alt=\"Rolamentos de deslizamento livre\" class=\"wp-image-271\"\/><figcaption class=\"wp-element-caption\">Rolamentos de deslizamento livre<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Carater\u00edsticas dos rolamentos de pote<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Capacidade de carga vertical at\u00e9 50.000 kN<\/li>\n\n\n\n<li>Capacidade de desloca\u00e7\u00e3o horizontal de \u00b150 mm a \u00b1300 mm<\/li>\n\n\n\n<li>Coeficientes m\u00ednimos de atrito de deslizamento de <strong>0.03-0.05<\/strong> com lubrifica\u00e7\u00e3o PTFE<\/li>\n\n\n\n<li>Gama de temperaturas de servi\u00e7o: -40\u00b0C a +50\u00b0C<\/li>\n\n\n\n<li>Capacidade de rota\u00e7\u00e3o: at\u00e9 0,03 radianos<\/li>\n\n\n\n<li>Prote\u00e7\u00e3o contra a corros\u00e3o atrav\u00e9s de galvaniza\u00e7\u00e3o e revestimento epox\u00eddico<\/li>\n\n\n\n<li>F\u00e1cil instala\u00e7\u00e3o, componentes destac\u00e1veis e baixos requisitos de manuten\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Especifica\u00e7\u00f5es <\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Capacidade de carga vertical (kN)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1000, 3000, 5000, 10000, 20000, 30000, 40000, 50000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Deslocamentos padr\u00e3o<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Longitudinal:<\/strong> \u00b150 mm, \u00b1100 mm, \u00b1150 mm, \u00b1200 mm, \u00b1300 mm<\/li>\n\n\n\n<li><strong>Transversal:<\/strong> \u00b15 mm a \u00b150 mm consoante o tipo de conce\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Op\u00e7\u00f5es de materiais<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elast\u00f3mero: Borracha natural, neopreno ou EPDM (dureza 60\u00b15 Shore A)<\/li>\n\n\n\n<li>A\u00e7o: A\u00e7o-carbono de alta resist\u00eancia com acabamento em ep\u00f3xi e galvaniza\u00e7\u00e3o<\/li>\n\n\n\n<li>Interface deslizante: PTFE com placa de a\u00e7o inoxid\u00e1vel polido<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Aplica\u00e7\u00f5es das chumaceiras de rolamentos<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pontes rodovi\u00e1rias e ferrovi\u00e1rias que exigem elevada capacidade de carga<\/li>\n\n\n\n<li>Pontes de longo v\u00e3o e pontes estaiadas sujeitas a expans\u00e3o t\u00e9rmica e atividade s\u00edsmica<\/li>\n\n\n\n<li>Pontes curvas ou inclinadas com requisitos de rota\u00e7\u00e3o complexos<\/li>\n\n\n\n<li>Estruturas em regi\u00f5es frias at\u00e9 -40\u00b0C<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"275\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/pot-bearings-for-Long-Span-Bridges.jpg\" alt=\"Chumaceiras para pontes de grande v\u00e3o \" class=\"wp-image-275\"\/><figcaption class=\"wp-element-caption\">Chumaceiras para pontes de grande v\u00e3o <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"274\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/pot-bearings-for-highway-bridge.jpg\" alt=\"Rolamentos para pontes rodovi\u00e1rias \" class=\"wp-image-274\"\/><figcaption class=\"wp-element-caption\">Rolamentos para pontes rodovi\u00e1rias <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"276\" src=\"https:\/\/www.bridgebearings.net\/wp-content\/uploads\/pot-bearings-for-railway-bridge.jpg\" alt=\"Rolamentos para pontes ferrovi\u00e1rias \" class=\"wp-image-276\"\/><figcaption class=\"wp-element-caption\">Rolamentos para pontes ferrovi\u00e1rias <\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Por que escolher os rolamentos de ponte de pote Aohong?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">A Aohong \u00e9 especializada no fabrico de rolamentos de ponte de pote de alta qualidade com tecnologia de produ\u00e7\u00e3o avan\u00e7ada, controlo de qualidade rigoroso e op\u00e7\u00f5es de personaliza\u00e7\u00e3o. Os nossos rolamentos s\u00e3o concebidos para um desempenho duradouro, cumprindo as normas nacionais e internacionais.<\/p>","protected":false},"excerpt":{"rendered":"<p>As chumaceiras para pontes s\u00e3o componentes estruturais concebidos para suportar grandes cargas verticais, ao mesmo tempo que permitem movimentos rotativos e horizontais limitados em pontes e estruturas pesadas. Compostas por um pote de a\u00e7o, um disco de elast\u00f3mero e um pist\u00e3o, estas chumaceiras transferem cargas verticais atrav\u00e9s da compress\u00e3o elastom\u00e9rica confinada, permitindo simultaneamente o movimento de rota\u00e7\u00e3o devido \u00e0 deforma\u00e7\u00e3o do disco de elast\u00f3mero. Os rolamentos de ponte Pot s\u00e3o amplamente utilizados em pontes rodovi\u00e1rias, pontes ferrovi\u00e1rias e outras infra-estruturas onde \u00e9 necess\u00e1ria uma elevada capacidade de carga vertical, durabilidade e manuten\u00e7\u00e3o m\u00ednima. O seu design robusto garante um desempenho est\u00e1vel sob cargas pesadas e varia\u00e7\u00f5es de temperatura, tornando-os ideais para pontes e estruturas de longo v\u00e3o que requerem uma distribui\u00e7\u00e3o de carga fi\u00e1vel e acomoda\u00e7\u00e3o de movimentos.<\/p>","protected":false},"featured_media":267,"template":"","rubber-bearings":[10],"class_list":["post-262","bridge-bearings","type-bridge-bearings","status-publish","has-post-thumbnail","hentry","rubber-bearings-bridge-bearings"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pot Bridge Bearings \u2013 Heavy Load Bearing for Long Span Bridges<\/title>\n<meta name=\"description\" content=\"Pot Bridge Bearings by Aohong support up to 50,000 kN, allow \u00b1300 mm displacement, and meet EN 1337 &amp; AASHTO standards for bridges.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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