{"id":28808,"date":"2022-12-28T09:52:02","date_gmt":"2022-12-28T09:52:02","guid":{"rendered":"https:\/\/montenegroexpersa.com\/pt\/?p=28808"},"modified":"2023-01-06T15:26:31","modified_gmt":"2023-01-06T15:26:31","slug":"perfuracao-horizontal-processo-de-execucao","status":"publish","type":"post","link":"https:\/\/montenegroexpersa.com\/pt\/perfuracao-horizontal-processo-de-execucao\/","title":{"rendered":"Perfura\u00e7\u00e3o horizontal : processo de execu\u00e7\u00e3o"},"content":{"rendered":"

A perfura\u00e7\u00e3o horizontal permite a instala\u00e7\u00e3o de cabos, tubos e condutas sem necessidade de escava\u00e7\u00e3o de valas. Existem atualmente diferentes tipos desta t\u00e9cnica, os mais comuns os furos de sondagem em pequenas \u00e1reas. No entanto, tamb\u00e9m \u00e9 poss\u00edvel perfurar furos de maior di\u00e2metro, at\u00e9 um comprimento m\u00e1ximo de um quil\u00f4metro.<\/span><\/p>\n

A import\u00e2ncia desta t\u00e9cnica \u00e9 que a instala\u00e7\u00e3o de condutas subterr\u00e2neas \u00e9 frequentemente necess\u00e1ria em \u00e1reas urbanas. Obviamente, em \u00e1reas congestionadas, \u00e9 muito dif\u00edcil realizar este trabalho utilizando m\u00e9todos tradicionais. Por esta raz\u00e3o, a perfura\u00e7\u00e3o horizontal \u00e9 uma solu\u00e7\u00e3o eficaz e, em simult\u00e2neo, econ\u00f3mica devido aos seus baixos custos de execu\u00e7\u00e3o.<\/span><\/p>\n

O processo de execu\u00e7\u00e3o da perfura\u00e7\u00e3o horizontal.<\/b><\/h2>\n

A perfura\u00e7\u00e3o horizontal \u00e9 geralmente realizada com maquinaria de alta precis\u00e3o que permite a realiza\u00e7\u00e3o de escava\u00e7\u00f5es em qualquer \u00e2ngulo necess\u00e1rio. No entanto, a execu\u00e7\u00e3o da perfura\u00e7\u00e3o come\u00e7a com um estudo pr\u00e9vio, tanto do objetivo do projeto como do solo a ser perfurado. Isto torna poss\u00edvel selecionar a maquinaria mais adequada para a sua execu\u00e7\u00e3o. De acordo com certas estimativas, para cada dia de trabalho de campo, \u00e9 necess\u00e1rio um m\u00ednimo de 2 dias de planejamento de perfura\u00e7\u00e3o horizontal.<\/span><\/p>\n

Isto \u00e9 baseado na natureza do processo de execu\u00e7\u00e3o desta categoria de perfura\u00e7\u00e3o. Por exemplo, n\u00e3o \u00e9 suficiente analisar a dureza dos materiais do subsolo, visto que o len\u00e7ol fre\u00e1tico pode afetar o projeto. Al\u00e9m disso, \u00e9 necess\u00e1rio determinar como estabilizar as paredes dos furos para evitar o colapso. \u00c9 tamb\u00e9m necess\u00e1rio determinar como transportar e instalar a tubagem, e cablagem, no orif\u00edcio de perfura\u00e7\u00e3o.<\/span><\/p>\n

Tipicamente \u00e9 utilizada uma broca piloto, com uma cabe\u00e7a de perfura\u00e7\u00e3o orient\u00e1vel, permitindo a realiza\u00e7\u00e3o de altera\u00e7\u00f5es na dire\u00e7\u00e3o e orienta\u00e7\u00e3o do orif\u00edcio de perfura\u00e7\u00e3o. Como s\u00e3o utilizadas diferentes brocas e hastes de perfura\u00e7\u00e3o conforme as necessidades do projeto, as apropriadas ser\u00e3o escolhidas segundo o di\u00e2metro requerido. Normalmente, certas misturas de lama s\u00e3o injetadas sob press\u00e3o para melhorar a qualidade da perfura\u00e7\u00e3o horizontal. Al\u00e9m disso, o chorudo resultante expulsa os cortes resultantes do orif\u00edcio de perfura\u00e7\u00e3o.<\/span><\/p>\n

O passo seguinte \u00e9 alargar a cavidade formada pelo furo piloto. Dependendo do di\u00e2metro requerido, isto pode ser feito em uma ou v\u00e1rias fases sucessivas. Em qualquer caso, \u00e9 normalmente exigido que o furo tenha um di\u00e2metro equivalente ao dobro do tamanho do tubo a ser instalado.<\/span><\/p>\n

Finalmente, imediatamente ap\u00f3s atingir o di\u00e2metro requerido, o tubo \u00e9 enganchado ao escareador, que puxa o tubo para a sua posi\u00e7\u00e3o final. Mais uma vez, o chorudo \u00e9 utilizado nesta fase do processo, de modo a lubrificar o furo e assegurar que o tubo deslize com relativa facilidade para a posi\u00e7\u00e3o em que ser\u00e1 colocado.<\/span><\/p>\n

Posteriormente, o fio de perfura\u00e7\u00e3o \u00e9 removido, finalizando o processo de perfura\u00e7\u00e3o e instala\u00e7\u00e3o. Como se pode ver, o tempo de execu\u00e7\u00e3o da perfura\u00e7\u00e3o horizontal \u00e9 m\u00ednimo em compara\u00e7\u00e3o com as t\u00e9cnicas tradicionais. Al\u00e9m disso, \u00e9 completamente vi\u00e1vel com as infraestruturas urbanas, conseguindo a instala\u00e7\u00e3o necess\u00e1ria sem afetar os edif\u00edcios circundantes.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Perfura\u00e7\u00e3o horizontal<\/p>\n","protected":false},"author":1,"featured_media":25519,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-28808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pocos"],"yoast_head":"\nPerfura\u00e7\u00e3o horizontal : processo de execu\u00e7\u00e3o - Montenegro Expersa<\/title>\n<meta name=\"description\" content=\"A perfura\u00e7\u00e3o horizontal permite a instala\u00e7\u00e3o de cabos, tubos e condutas sem necessidade de escava\u00e7\u00e3o de valas. 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