{"id":662023,"date":"2026-08-17T12:48:35","date_gmt":"2026-08-17T12:48:35","guid":{"rendered":"https:\/\/mavideniz.com.tr\/produtos-industriais\/barra-de-petroleo-barreira\/equipamento-de-resposta-auxiliar\/sistema-de-ancoragem-para-barreiras-de-contencao-de-petroleo\/"},"modified":"2026-08-17T12:48:35","modified_gmt":"2026-08-17T12:48:35","slug":"sistema-de-ancoragem-para-barreiras-de-contencao-de-petroleo","status":"publish","type":"page","link":"https:\/\/mavideniz.com.tr\/pt-pt\/produtos-industriais\/barra-de-petroleo-barreira\/equipamento-de-resposta-auxiliar\/sistema-de-ancoragem-para-barreiras-de-contencao-de-petroleo\/","title":{"rendered":"Sistema de ancoragem para barreiras de conten\u00e7\u00e3o de petr\u00f3leo"},"content":{"rendered":"<p><\/p><div class=\"wonderpluginslider-container\" id=\"wonderpluginslider-container-212\" style=\"max-width:1140px;margin:0 auto;padding-left:0px;padding-right:0px;padding-top:0px;padding-bottom:10px;\"><div class=\"wonderpluginslider\" id=\"wonderpluginslider-212\" data-sliderid=\"212\" data-width=\"1140\" data-height=\"550\" data-skin=\"stylish\" data-usejsforfullbrowserwidth=\"false\" data-fullbrowserwidth=\"false\" data-playmutedandinlinewhenautoplay=\"false\" data-playsinline=\"false\" data-addextraattributes=\"false\" data-autoplay=\"true\" data-randomplay=\"false\" data-loadimageondemand=\"false\" data-transitiononfirstslide=\"false\" data-autoplayvideo=\"false\" data-isresponsive=\"true\" data-fullwidth=\"false\" data-isfullscreen=\"false\" data-ratioresponsive=\"true\" data-showtext=\"true\" data-showtimer=\"false\" data-showbottomshadow=\"false\" data-navshowpreview=\"false\" data-textautohide=\"true\" data-pauseonmouseover=\"false\" data-lightboxresponsive=\"true\" data-lightboxshownavigation=\"false\" data-lightboxshowtitle=\"true\" data-lightboxshowdescription=\"false\" data-texteffectresponsive=\"true\" data-donotinit=\"false\" data-addinitscript=\"false\" data-lightboxfullscreenmode=\"false\" data-lightboxcloseonoverlay=\"true\" data-lightboxvideohidecontrols=\"false\" data-lightboxnogroup=\"false\" data-shownav=\"true\" data-navthumbresponsive=\"false\" data-navshowfeaturedarrow=\"true\" data-inityoutube=\"true\" data-initvimeo=\"true\" data-navshowplaypause=\"true\" data-navshowarrow=\"true\" data-navshowbuttons=\"true\" data-lightboxshowsocial=\"false\" data-lightboxshowfacebook=\"true\" data-lightboxshowtwitter=\"true\" data-lightboxshowpinterest=\"true\" data-lightboxsocialrotateeffect=\"true\" data-showsocial=\"false\" data-showfacebook=\"true\" data-showtwitter=\"true\" data-showpinterest=\"true\" data-socialrotateeffect=\"true\" data-disableinlinecss=\"false\" data-triggerresize=\"false\" data-lightboxautoslide=\"false\" data-lightboxshowtimer=\"true\" data-lightboxshowplaybutton=\"false\" data-lightboxalwaysshownavarrows=\"false\" data-lightboxshowtitleprefix=\"true\" data-titleusealt=\"false\" data-outputtext=\"false\" data-titletag=\"h1\" data-descriptiontag=\"h2\" data-scalemode=\"fill\" data-arrowstyle=\"none\" data-transition=\"\" data-loop=\"0\" data-border=\"0\" data-slideinterval=\"5000\" data-arrowimage=\"arrows-32-32-0.png\" data-arrowwidth=\"32\" data-arrowheight=\"32\" data-arrowtop=\"50\" data-arrowmargin=\"8\" data-ga4account=\"\" data-googleanalyticsaccount=\"\" data-navplaypauseimage=\"navplaypause-20-20-1.png\" data-navarrowimage=\"navarrows-20-20-1.png\" data-navstyle=\"numbering\" data-navimage=\"bullet-24-24-0.png\" data-navwidth=\"20\" data-navheight=\"20\" data-navspacing=\"4\" data-navmarginx=\"16\" data-navmarginy=\"16\" data-navposition=\"bottomright\" data-navthumbnavigationstyle=\"arrow\" data-navthumbnavigationarrowimage=\"carouselarrows-32-32-0.png\" data-navthumbnavigationarrowimagewidth=\"32\" data-navthumbnavigationarrowimageheight=\"32\" data-playvideoimage=\"playvideo-64-64-0.png\" data-playvideoimagewidth=\"64\" data-playvideoimageheight=\"64\" data-lightboxthumbwidth=\"90\" data-lightboxthumbheight=\"60\" data-lightboxthumbtopmargin=\"12\" data-lightboxthumbbottommargin=\"4\" data-lightboxbarheight=\"64\" data-lightboxtitlebottomcss=\"color:#333; 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}\");<\/script><br>\nUm <b data-path-to-node=\"0\" data-index-in-node=\"3\">sistema de ancoragem para barreira de conten\u00e7\u00e3o de petr\u00f3leo<\/b> \u00e9 o conjunto completo de cabos e ferragens usados \u200b\u200bpara manter uma barreira flutuante de conten\u00e7\u00e3o no lugar, resistindo \u00e0s enormes for\u00e7as das correntes mar\u00edtimas, do vento e das mar\u00e9s.\n<p data-path-to-node=\"1\">Como as barreiras de conten\u00e7\u00e3o de petr\u00f3leo s\u00e3o altamente flutuantes, elas s\u00e3o extremamente sens\u00edveis a serem puxadas para baixo. Se voc\u00ea amarrar uma \u00e2ncora diretamente a uma barreira de conten\u00e7\u00e3o de petr\u00f3leo, o peso do equipamento e o arrasto da corrente puxar\u00e3o instantaneamente a barreira para baixo, permitindo que o petr\u00f3leo vaze pela superf\u00edcie. <\/p>\n<p data-path-to-node=\"2\">Para evitar isso, um sistema de ancoragem adequado utiliza uma geometria \u201cflutuante\u201d espec\u00edfica.<\/p>\n<h2 data-path-to-node=\"3\">Os componentes principais<\/h2>\n<p data-path-to-node=\"4\">Um sistema padr\u00e3o de ancoragem de meia-\u00e1gua consiste em cinco partes principais, montadas exatamente nesta ordem:<\/p>\n<table data-path-to-node=\"5\">\n<thead>\n<tr>\n<td><strong>Componente<\/strong><\/td>\n<td><strong>Prop\u00f3sito<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"5,1,0,0\"><b data-path-to-node=\"5,1,0,0\" data-index-in-node=\"0\">1. A \u00e2ncora<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,1,1,0\">Geralmente, utiliza-se uma \u00e2ncora Danforth (tipo pata) para lama\/areia, projetada para penetrar no fundo do mar quando puxada horizontalmente.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,2,0,0\"><b data-path-to-node=\"5,2,0,0\" data-index-in-node=\"0\">2. Corrente de \u00e2ncora<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,2,1,0\">De 3 a 4,5 metros de corrente galvanizada resistente s\u00e3o fixados diretamente \u00e0 \u00e2ncora. O peso da corrente garante que a \u00e2ncora fique plana no fundo, permitindo que ela se fixe, em vez de ser puxada para cima. <\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,3,0,0\"><b data-path-to-node=\"5,3,0,0\" data-index-in-node=\"0\">3. Cabo de ancoragem (Cabo)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,3,1,0\">Uma longa corda de n\u00e1ilon ou polipropileno que vai da corrente at\u00e9 a superf\u00edcie. O comprimento deve ser de pelo menos 3 a 5 vezes a profundidade da \u00e1gua (at\u00e9 7 vezes em correntes fortes). <\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,4,0,0\"><b data-path-to-node=\"5,4,0,0\" data-index-in-node=\"0\">4. B\u00f3ia de Coroa (B\u00f3ia de Superf\u00edcie)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,4,1,0\"><b data-path-to-node=\"5,4,1,0\" data-index-in-node=\"0\">Esta \u00e9 a pe\u00e7a mais importante.<\/b> A linha da \u00e2ncora se amarra <i data-path-to-node=\"5,4,1,0\" data-index-in-node=\"54\">diretamente<\/i> a esta grande b\u00f3ia flutuante, e N\u00c3O \u00e0 retranca. A b\u00f3ia suporta toda a for\u00e7a descendente e o peso do sistema de ancoragem. <\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,5,0,0\"><b data-path-to-node=\"5,5,0,0\" data-index-in-node=\"0\">5. Cabo de amarra\u00e7\u00e3o da lan\u00e7a \/ Cabo de reboque<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,5,1,0\">Uma linha flutuante separada (ou a linha de reboque flutuante que discutimos anteriormente) vai da b\u00f3ia principal at\u00e9 a barreira de conten\u00e7\u00e3o de \u00f3leo.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"0\">Os ambientes apresentam for\u00e7as hidrodin\u00e2micas e obst\u00e1culos f\u00edsicos completamente diferentes; as equipes de resposta precisam alterar seus equipamentos e a geometria de implanta\u00e7\u00e3o para cada um deles.<\/p>\n<p data-path-to-node=\"1\">Eis como os booms petrol\u00edferos s\u00e3o implementados nesses quatro ambientes espec\u00edficos:<\/p>\n<h3 data-path-to-node=\"2\">1. Rios e \u00e1guas r\u00e1pidas (&gt; 1 n\u00f3)<\/h3>\n<p data-path-to-node=\"3\">Em \u00e1guas r\u00e1pidas, a corrente \u00e9 a inimiga. N\u00e3o se pode estender uma retranca em linha reta, pois a \u00e1gua arrastar\u00e1 a \u00e2ncora, quebrar\u00e1 a retranca ou puxar\u00e1 o \u00f3leo que estiver embaixo dela (arrastamento). <\/p>\n<ul data-path-to-node=\"4\">\n<li>\n<p data-path-to-node=\"4,0,0\"><b data-path-to-node=\"4,0,0\" data-index-in-node=\"0\">A estrat\u00e9gia:<\/b> Desvio. A barreira de conten\u00e7\u00e3o \u00e9 usada como um escudo para desviar o petr\u00f3leo em dire\u00e7\u00e3o \u00e0 \u00e1gua mais calma perto da costa. <\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\"><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">O \u00e2ngulo:<\/b> Quanto mais r\u00e1pida a correnteza, menor o \u00e2ngulo. A 3 n\u00f3s, a retranca deve estar angulada a 30 graus em rela\u00e7\u00e3o \u00e0 margem. A 5 n\u00f3s, o \u00e2ngulo deve ser de 15 graus ou menos.  <\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,2,0\"><b data-path-to-node=\"4,2,0\" data-index-in-node=\"0\">Ancoragem:<\/b> \u00c2ncoras de queda no meio do rio (\u00e2ncoras Danforth com correntes pesadas e b\u00f3ias de coroa) s\u00e3o usadas, mas as equipes de resgate preferem <b data-path-to-node=\"4,2,0\" data-index-in-node=\"120\">\u00e2ncoras em terra<\/b> . Frequentemente, elas lan\u00e7am uma corda suspensa atrav\u00e9s do rio, amarram-na em \u00e1rvores em ambas as margens e usam um sistema de polias (carrinho) para puxar a ponta da barreira para a correnteza sem precisar lan\u00e7ar uma \u00e2ncora no meio do rio. <\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,3,0\"><b data-path-to-node=\"4,3,0\" data-index-in-node=\"0\">Barreira de conten\u00e7\u00e3o em cascata:<\/b> Em vez de uma \u00fanica linha longa, as equipes de resposta usam v\u00e1rias se\u00e7\u00f5es de barreira de conten\u00e7\u00e3o mais curtas e sobrepostas para dispersar o petr\u00f3leo lentamente em dire\u00e7\u00e3o \u00e0 costa, como em degraus.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"5\">2. Marinas (Espa\u00e7os apertados e \u00e1guas rasas)<\/h3>\n<p data-path-to-node=\"6\">As marinas s\u00e3o notoriamente dif\u00edceis de navegar porque est\u00e3o repletas de barcos caros, docas flutuantes, estacas de madeira e canais estreitos.<\/p>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Equipamentos:<\/b> As equipes de resposta usam \u201cbra\u00e7os de conten\u00e7\u00e3o\u201d menores e altamente flex\u00edveis ou bra\u00e7os cil\u00edndricos com saias de calado raso para que n\u00e3o arrastem no fundo raso.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">A estrat\u00e9gia:<\/b> prote\u00e7\u00e3o e isolamento. As equipes de resposta instalar\u00e3o barreiras de conten\u00e7\u00e3o ao redor de embarca\u00e7\u00f5es espec\u00edficas para isolar um vazamento ou bloquear\u00e3o completamente a entrada da marina para impedir que um derramamento externo se alastre. <\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">Ancoragem:<\/b> As \u00e2ncoras de queda pesadas tradicionais raramente s\u00e3o usadas aqui. Em vez disso, as equipes de resposta amarram a retranca diretamente \u00e0 infraestrutura da marina usando cunhos, estacas e an\u00e9is de amarra\u00e7\u00e3o existentes no cais. <\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"10\">3. Portos e Terminais (Paredes Verticais e Mar\u00e9s)<\/h3>\n<p data-path-to-node=\"11\">Os portos comerciais s\u00e3o ambientes industriais imensos, com imponentes paredes verticais de concreto (anteparas), tr\u00e1fego intenso de navios e varia\u00e7\u00f5es dr\u00e1sticas das mar\u00e9s.<\/p>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><b data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">O equipamento:<\/b> enormes e robustas \u201ccortinas de prote\u00e7\u00e3o\u201d com borda livre alta (a parte acima da \u00e1gua) para lidar com o rastro de grandes navios de carga e saias profundas para reter \u00f3leo pesado.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><b data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">A estrat\u00e9gia:<\/b> barreiras de exclus\u00e3o (mantendo o petr\u00f3leo longe das entradas de \u00e1gua) e barreiras de conten\u00e7\u00e3o (cercando um navio enquanto ele transfere combust\u00edvel).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,2,0\"><b data-path-to-node=\"12,2,0\" data-index-in-node=\"0\">O Problema das Mar\u00e9s:<\/b> Se voc\u00ea amarrar uma retranca firmemente a um cais na mar\u00e9 alta, quando a mar\u00e9 baixar, a retranca ficar\u00e1 pendurada no ar. Se voc\u00ea a amarrar na mar\u00e9 baixa, quando a \u00e1gua subir, a retranca ser\u00e1 puxada para baixo. <\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"13\">A solu\u00e7\u00e3o: Compensadores de mar\u00e9<\/h3>\n<p data-path-to-node=\"14\">Para solucionar o problema das mar\u00e9s nos portos, as equipes de resposta utilizam <b data-path-to-node=\"14\" data-index-in-node=\"52\">compensadores de mar\u00e9<\/b> (ou comportas de mar\u00e9).<\/p>\n<ul data-path-to-node=\"15\">\n<li>\n<p data-path-to-node=\"15,0,0\"><b data-path-to-node=\"15,0,0\" data-index-in-node=\"0\">Como funciona:<\/b> Uma viga I de a\u00e7o vertical ou um trilho \u00e9 parafusado diretamente na parede de concreto do porto. Um suporte de rolete especializado (o compensador) encaixa-se nesse trilho. A barreira de conten\u00e7\u00e3o de \u00f3leo \u00e9 fixada ao suporte de rolete.  <\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"15,1,0\"><b data-path-to-node=\"15,1,0\" data-index-in-node=\"0\">Resultado:<\/b> Conforme a mar\u00e9 sobe e desce, a barra de prote\u00e7\u00e3o permanece perfeitamente nivelada na superf\u00edcie da \u00e1gua, deslizando suavemente para cima e para baixo no trilho de a\u00e7o vertical, sem nunca emperrar ou ficar suspensa no ar.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"17\">Fixa\u00e7\u00f5es de casco magn\u00e9tico<\/h3>\n<p data-path-to-node=\"18\">Quando um navio est\u00e1 reabastecendo (abastecendo-se) no porto, uma barreira de conten\u00e7\u00e3o precisa ser instalada firmemente ao seu redor. Em vez de tentar lan\u00e7ar \u00e2ncoras no movimentado piso do porto, as equipes de resposta geralmente usam \u00edm\u00e3s mar\u00edtimos de alta pot\u00eancia. Elas fixam as \u00e2ncoras magn\u00e9ticas no casco de a\u00e7o do navio e prendem a barreira, criando uma veda\u00e7\u00e3o herm\u00e9tica contra a pr\u00f3pria embarca\u00e7\u00e3o.  <\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um sistema de ancoragem para barreira de conten\u00e7\u00e3o de petr\u00f3leo \u00e9 o conjunto completo de cabos e ferragens usados \u200b\u200bpara [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":78008,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-662023","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/pages\/662023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/comments?post=662023"}],"version-history":[{"count":0,"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/pages\/662023\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/pages\/78008"}],"wp:attachment":[{"href":"https:\/\/mavideniz.com.tr\/pt-pt\/wp-json\/wp\/v2\/media?parent=662023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}