{"id":93247,"date":"2024-10-04T11:15:59","date_gmt":"2024-10-04T11:15:59","guid":{"rendered":"https:\/\/www.metaflotech.com\/?page_id=93247"},"modified":"2026-09-21T08:33:27","modified_gmt":"2026-09-21T08:33:27","slug":"tunelamento","status":"publish","type":"page","link":"https:\/\/www.metaflotech.com\/pt\/applications\/tunneling\/","title":{"rendered":"EPB-TBM Slurry and Spoils Solidification for Tunneling Projects"},"content":{"rendered":"

Tunelamento<\/strong><\/h1>\n

Inova\u00e7\u00e3o na gest\u00e3o de res\u00edduos de t\u00faneis<\/em><\/h2>\n

\n\t\t\tVis\u00e3o geral do problema\t<\/h2>\n\t

As m\u00e1quinas de perfura\u00e7\u00e3o de t\u00faneis com equil\u00edbrio de press\u00e3o da terra (EPB TBMs) s\u00e3o utilizadas na constru\u00e7\u00e3o de t\u00faneis ferrovi\u00e1rios, sistemas de metr\u00f4 metropolitanos, t\u00faneis rodovi\u00e1rios e outros projetos em que o t\u00fanel ser\u00e1 constru\u00eddo parcial ou totalmente em solo macio.<\/p>\n

Em muitos projetos de perfura\u00e7\u00e3o de t\u00faneis, \u00e9 gerada uma grande quantidade de lama. Lubrificantes de perfura\u00e7\u00e3o \u00e0 base de bentonita, espumas lubrificantes e outros aditivos s\u00e3o usados para manter a press\u00e3o sobre o excesso de carga e reduzir o atrito nas grandes cabe\u00e7as de corte rotativas localizadas na frente das m\u00e1quinas de perfura\u00e7\u00e3o de t\u00faneis.<\/p>\n

A quantidade de lubrificante usada depende da geologia que est\u00e1 sendo atravessada pelo t\u00fanel. O lubrificante tamb\u00e9m facilita o transporte dos detritos gerados para a parte traseira da m\u00e1quina de perfura\u00e7\u00e3o de t\u00faneis, onde s\u00e3o transportados por um sistema de esteira ou carro de lama at\u00e9 a superf\u00edcie. Quando esses res\u00edduos chegam \u00e0 superf\u00edcie, eles t\u00eam a consist\u00eancia de lama, que geralmente \u00e9 dif\u00edcil e cara de ser descartada.<\/p>\n

O processo de elimina\u00e7\u00e3o de sujeira geralmente \u00e9 parecido com este:<\/p>\n

    \n
  1. Caminh\u00f5es a v\u00e1cuo especializados transportam a sujeira para uma esta\u00e7\u00e3o de transfer\u00eancia<\/li>\n
  2. Agentes de volume, como serragem, s\u00e3o usados (geralmente aumentando o volume da pasta em 50-200%)<\/li>\n
  3. Caminh\u00f5es basculantes transportam o aumento da carga de res\u00edduos para um local de descarte final<\/li>\n<\/ol>\n

    Isso significa mais caminh\u00f5es necess\u00e1rios, mais tempo desperdi\u00e7ado, mais emiss\u00f5es de gases de efeito estufa e mais custos de descarte incorridos. Os m\u00e9todos tradicionais tamb\u00e9m podem resultar em res\u00edduos com pH alto, criar res\u00edduos corrosivos e perigosos e alterar a classifica\u00e7\u00e3o dos res\u00edduos.<\/p>\n

    \n\t\t\tVis\u00e3o geral do produto MetaFLO\t<\/h2>\n\t

    O MetaFLO fornece reagentes de solidifica\u00e7\u00e3o inertes* n\u00e3o t\u00f3xicos que absorvem rapidamente a \u00e1gua no local e ajudam os res\u00edduos a passar no teste de filtro de tinta (PFT). Eles podem ser aplicados ao lodo gerado pelas EPB TBMs para solidificar os res\u00edduos de forma mais eficiente em compara\u00e7\u00e3o com os m\u00e9todos tradicionais. \u00c9 necess\u00e1ria uma dosagem vari\u00e1vel com base no teor de umidade do lodo.<\/p>\n

    Com o MetaFLO, o descarte de sujeira \u00e9 otimizado:<\/p>\n

      \n
    1. A tecnologia da MetaFLO solidifica a pasta no local<\/li>\n
    2. A lama solidificada \u00e9 transferida para caminh\u00f5es basculantes para ser transportada diretamente para o local de descarte final.<\/li>\n<\/ol>\n

      Nosso reagentes de solidifica\u00e7\u00e3o<\/a> Pode ser aplicado na superf\u00edcie ou na fonte, utilizando correias transportadoras de lodo para iniciar o processo de solidifica\u00e7\u00e3o precocemente, economizando tempo e m\u00e3o de obra.<\/p>\n

      *A classifica\u00e7\u00e3o do produto pode diferir entre as jurisdi\u00e7\u00f5es de diferentes pa\u00edses.<\/em><\/p>\n

      \n\t\t\t\t\t\"M\u00e9todo-EN\"\n\t<\/figure>\n

      \n\t\t\tCaminh\u00f5es basculantes vs. caminh\u00f5es a v\u00e1cuo\t<\/h2>\n
      \n\t\t\t\t\t\"Caminh\u00f5es\n\t<\/figure>\n
      \n\t\t\t\t\t\"Caminh\u00f5es\n\t<\/figure>\n\t

      Nosso processo MetaFLO comprovado tem benef\u00edcios claros:<\/strong><\/h3>\n
        \n
      1. Redu\u00e7\u00e3o da pegada operacional em locais urbanos congestionados para gerenciar rapidamente os res\u00edduos<\/li>\n
      2. Melhoria da efici\u00eancia do transporte para remover o material seco dos locais do projeto<\/li>\n
      3. Res\u00edduos solidificados que atendem aos crit\u00e9rios regulat\u00f3rios para irem diretamente para locais de preenchimento limpo Emiss\u00f5es mais baixas de GEE, log\u00edstica urbana aprimorada, gerenciamento respons\u00e1vel do excesso de solo<\/li>\n<\/ol>\n
        \n\t\t\t\t\t\"reagentes\n\t<\/figure>\n\t

        A MetaFLO Technologies pode trabalhar com a equipe de opera\u00e7\u00f5es para ajudar a elaborar um plano personalizado e eficaz para enfrentar os desafios de lidar com a lama gerada pelos TBMs EPB.<\/em><\/h3>\nSAIBA MAIS<\/a>
        \n\t\t\t\t\t\"\u00edcone\n\t<\/figure>\n\t

        Reduzir significativamente os custos de transporte<\/b><\/h3>\n
        \n\t\t\t\t\t\"\u00edcone\n\t<\/figure>\n\t

        Minimizar os riscos ambientais e de seguran\u00e7a<\/b><\/h3>\n
        \n\t\t\t\t\t\"\u00edcone\n\t<\/figure>\n\t

        Gerenciamento de res\u00edduos sustent\u00e1vel e eficiente<\/b><\/h3>\n

        \n\t\t\tEstudos de caso\t<\/h2>\n

        \n\t\t\n\t\t\tRevolucionando a gest\u00e3o de res\u00edduos no sistema de metr\u00f4 Crosstown de Toronto\t\t<\/a>\n\t<\/h3>\n\t

        A solu\u00e7\u00e3o de solidifica\u00e7\u00e3o da MetaFLO reduz os custos de transporte e atende aos rigorosos padr\u00f5es regulat\u00f3rios urbanos, contribuindo para a implementa\u00e7\u00e3o de uma infraestrutura de transporte sustent\u00e1vel em uma das cidades mais movimentadas do Canad\u00e1.<\/p>\n

        \n\t\t\n\t\t\tO t\u00fanel mais longo da Austr\u00e1lia tornou-se eficiente gra\u00e7as \u00e0 solu\u00e7\u00e3o de transporte de res\u00edduos da MetaFLO\t\t<\/a>\n\t<\/h3>\n\t

        A tecnologia de solidifica\u00e7\u00e3o r\u00e1pida simplifica o manejo de res\u00edduos, economizando tempo e custos no projeto NorthConnex, em Sydney.<\/p>\n\t

        Nossos clientes<\/b><\/h2>\n
        \n\t\t\t\t\t\"\"\n\t<\/figure>\n
        \n\t\t\t\t\t\"Logotipo\n\t<\/figure>\n
        \n\t\t\t\t\t\"Strabag.svg\"\n\t<\/figure>","protected":false},"excerpt":{"rendered":"

        Inova\u00e7\u00e3o em T\u00fanelamento: um resumo do problema da gest\u00e3o de res\u00edduos em t\u00faneis. As m\u00e1quinas de perfura\u00e7\u00e3o por balanceamento de press\u00e3o (EPB TBMs) s\u00e3o utilizadas na constru\u00e7\u00e3o de t\u00faneis ferrovi\u00e1rios, sistemas de metr\u00f4 metropolitanos, t\u00faneis rodovi\u00e1rios e outros projetos em que o t\u00fanel ser\u00e1 constru\u00eddo parcialmente ou completamente em solo mole. Em muitos projetos de t\u00fanelamento, uma grande quantidade de\u2026<\/p>","protected":false},"author":1,"featured_media":0,"parent":73499,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"_joinchat":[],"footnotes":""},"class_list":["post-93247","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nEPB-TBM Slurry and Spoils Solidification for Tunneling Projects | MetaFLO<\/title>\n<meta name=\"description\" content=\"Manage tunnel muck with solidification solutions that reduce free liquids and improve handling, transportation, and disposal in EPB-TBM and microtunneling projects.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.metaflotech.com\/pt\/aplicativos\/tunelamento\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" 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