{"id":73258,"date":"2025-11-12T12:52:20","date_gmt":"2025-11-12T11:52:20","guid":{"rendered":"https:\/\/www.maccaferri.com\/pt\/solutions\/barragens-protecao-de-bueiros-dissipadores-e-estruturas-transversais\/"},"modified":"2026-02-17T15:16:18","modified_gmt":"2026-02-17T14:16:18","slug":"barragens-protecao-de-bueiros-dissipadores-e-estruturas-transversais","status":"publish","type":"solution","link":"https:\/\/www.maccaferri.com\/pt\/solutions\/barragens-protecao-de-bueiros-dissipadores-e-estruturas-transversais\/","title":{"rendered":"Barragens, Prote\u00e7\u00e3o de bueiros, Dissipadores e Estruturas Transversais"},"content":{"rendered":"<div class=\"wp-block-mac-block-left-image-right-description container-media box-container blockEditorJs\"><div class=\"row\"><div class=\"col-12 col-lg-6 col-xl-6 col-xxl-6\"><div class=\"box-image\"><img decoding=\"async\" class=\"image\" src=\"https:\/\/www.maccaferri.com\/pt\/wp-content\/uploads\/2022\/12\/weirs-culverts-transverse_2.jpg\" alt=\"Image\"\/><\/div><\/div><div class=\"col-12 col-lg-6 col-xl-6 col-xxl-6 title-box-txt\" style=\"text-align:default\"><p class=\"description\" style=\"color:#212429\">Estruturas transversais s\u00e3o usadas para controlar o fluxo d\u2019\u00e1gua alterando o seu comportamento hidr\u00e1ulico e seu potencial erosivo. Temos mais de um s\u00e9culo de experi\u00eancia na aplica\u00e7\u00e3o de gabi\u00f5es em estruturas transversais.\r\r\r\r\n\r\r\r\r\n<\/p><\/div><\/div><\/div><div class=\"wp-block-mac-block-left-description-right-image container-media box-container blockEditorJs\"><div class=\"row\"><div class=\"col-12 col-lg-6 col-xl-6 col-xxl-6 title-box-txt order-lg-first order-last\" style=\"text-align:default\"><p class=\"description\" style=\"color:#212429\">Diferentes tipos de barragens \r\r\r\r\n\r\r\r\r\nA face de jusante ou montante da barragem de gabi\u00f5es pode ser vertical, escalonada e ou inclinada, sendo que cada projeto deve ser avaliado separadamente. Os gabi\u00f5es tamb\u00e9m podem constituir a bacia de dissipa\u00e7\u00e3o e a contra barragem da estrutura. As aplica\u00e7\u00f5es mais comuns de barragens em gabi\u00f5es s\u00e3o: reten\u00e7\u00e3o do fluxo para mitiga\u00e7\u00e3o de inunda\u00e7\u00f5es e\/ou aplica\u00e7\u00e3o em s\u00e9rie para reten\u00e7\u00e3o de sedimentos e controle do processo erosivo do leito.\r\r\r\r\nAs barragens de gabi\u00f5es PoliMac\u00ae s\u00e3o robustas, flex\u00edveis, de simples instala\u00e7\u00e3o e de alta durabilidade. \r\r\r\r\n\r\r\r\r\n<\/p><\/div><div class=\"col-12 col-lg-6 col-xl-6 col-xxl-6\"><div class=\"box-image\"><img decoding=\"async\" class=\"image\" src=\"https:\/\/www.maccaferri.com\/pt\/wp-content\/uploads\/2022\/12\/weirs-culverts-transverse_1-1024x768.jpg\" alt=\"Image\"\/><\/div><\/div><\/div><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns blockEditorJs is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p>Obras defletoras \u2013 Espig\u00f5es\r\r\r\r\n\r\r\r\r\nSeja para melhorar a navegabilidade dos rios, seja para recuperar e estabilizar margens, os espig\u00f5es podem ser utilizados. No caso da navegabilidade, os espig\u00f5es desviam o fluxo de \u00e1gua para o centro do curso d\u2019\u00e1gua, aumentado o potencial erosivo do fluxo nessa regi\u00e3o o que ocasiona o aumento da profundidade e viabiliza a passagem de embarca\u00e7\u00f5es.  Por outro lado, quando o foco \u00e9 recuperar e estabilizar as margens, o objetivo est\u00e1 no processo de sedimenta\u00e7\u00e3o ocasionado pelo desvio de fluxo para longe das margens. Os espig\u00f5es criam uma zona de remanso favor\u00e1vel para a deposi\u00e7\u00e3o de sedimentos, promovendo a recupera\u00e7\u00e3o e estabiliza\u00e7\u00e3o da margem.\r\r\r\r\nOs gabi\u00f5es, al\u00e9m de flex\u00edveis e perme\u00e1veis, s\u00e3o de simples instala\u00e7\u00e3o e altera\u00e7\u00e3o caso seja identificada a necessidade de mudan\u00e7a de geometria ao longo da vida \u00fatil da obra.\r\r\r\r\n\r\r\r\r\nEscadas dissipadoras\r\r\r\r\n\r\r\r\r\n Em sistemas de drenagem em que h\u00e1 necessidade de conduzir o fluxo por grandes declividades, h\u00e1 a necessidade de evitar o processo erosivo do talude e dissipar a energia do fluido para reduzir os custos com estruturas de dissipa\u00e7\u00e3o no final do curso. Os gabi\u00f5es podem compor escadas dissipadoras de energia, se adaptando a diferentes geometrias de degraus e alturas de parede.\r\r\r\r\n\r\r\r\r\nGalerias e bueiros \u2013 Controle do processo erosivo concentrado\r\r\r\r\n\r\r\r\r\nObstru\u00e7\u00f5es transversais ao longo de um curso de \u00e1gua podem causar problemas de eros\u00e3o do solo devido \u00e0s altera\u00e7\u00f5es das condi\u00e7\u00f5es hidr\u00e1ulicas. Uma nova estrada sobre um rio pode muitas vezes incluir galerias ou bueiros, que restringem o fluxo natural do rio para uma estrutura artificial. Essas mudan\u00e7as nos perfis hidr\u00e1ulicos podem ocasionar o processo erosivo tanto das margens pr\u00f3ximas \u00e0 estrutura como do pr\u00f3prio aterro da travessia. Para mitigar esse processo na entrada ou sa\u00edda do fluxo de galerias e bueiros, os gabi\u00f5es podem ser utilizados em muros ou revestimentos de prote\u00e7\u00e3o. <\/p><\/div><\/div><\/div><div class=\"content-sectors-applications-solutions\">\n    <div class=\"container-fluid box-container\">\n        <div class=\"row\">\n            <div class=\"col-12\">\n                <h2><\/h2>\n            <\/div>\n        <\/div>\n    <\/div>\n    <div class=\"content-sectors-applications-solutions container box-container\">\n        <div class=\"row\">\n            <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4\">\n                <h6>\n                    <img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/pt\/wp-content\/uploads\/2022\/10\/ico-sectors.png\" class=\"sectors\">                    Setores<\/h6>\n                <ul><li><a href=\"https:\/\/www.maccaferri.com\/pt\/sectors\/agronegocio\/\" title=\"Agroneg\u00f3cio\">Agroneg\u00f3cio<\/a><\/li><li><a 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Tubosider oferecem uma solu\u00e7\u00e3o certificada e integrada de bueiros, projetada para confiabilidade a<\/span>\n                                    <a href=\"https:\/\/www.maccaferri.com\/pt\/produtos\/multiple-plates-culverts-technology\/\" class=\"cta\" rel=\"noopener\" title=\"Multiple Plates Culverts Technology\">View <span class=\"text\" value=\"\"><\/span><\/a>\n                                    <div data-post-id=\"78277\" class=\"star\" title=\"Add to wishlist\">\n                                        <span class=\"material-symbols-rounded starrate\">star<\/span>\n                                    <\/div>\n                                <\/div>\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                            <\/div>\n            <\/div>\n                    <\/div>","protected":false},"excerpt":{"rendered":"<p>Estruturas transversais s\u00e3o usadas para controlar o fluxo d\u2019\u00e1gua alterando o seu comportamento hidr\u00e1ulico e seu potencial erosivo. 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