{"id":6372,"date":"2020-11-19T12:00:12","date_gmt":"2020-11-19T12:00:12","guid":{"rendered":"https:\/\/www.inacces.com\/?p=6372"},"modified":"2020-11-19T12:03:12","modified_gmt":"2020-11-19T12:03:12","slug":"estabilitzacio-de-talus-amb-malla-de-triple-torsio","status":"publish","type":"post","link":"https:\/\/www.inacces.com\/ca\/estabilitzacio-de-talus-amb-malla-de-triple-torsio\/","title":{"rendered":"ESTABILITZACI\u00d3 DE TAL\u00daS AMB MALLA DE TRIPLE TORSI\u00d3"},"content":{"rendered":"
Malla de triple torsi\u00f3 amb geomalla per consolidar i protegir contra l’erosi\u00f3.<\/strong><\/h5>\n

A Inacc\u00e9s<\/strong> hem completat el manteniment de diversos talussos de les l\u00ednies ferrovi\u00e0ries de Rodalies Renfe a la zona de Cerdanyola. L’obra ha consistit en la instal\u00b7laci\u00f3 de geomalla que en comparaci\u00f3 amb la malla de triple torsi\u00f3<\/strong><\/a> \u00e9s m\u00e9s adequada per a la contenci\u00f3 dels fins i permet una revegetaci\u00f3 m\u00e9s efica\u00e7.<\/p>\n

La malla de triple torsi\u00f3<\/strong><\/a> \u00a0\u00e9s una de les intervencions que se sol aplicar en talussos \u00a0amb l’objectiu de reduir significativament el perill d’esllavissades, contribuint aix\u00ed a la reducci\u00f3 del risc per a la infraestructura i usuaris de la mateixa.<\/p>\n

Altres actuacions que s’apliquen habitualment en linies \u00a0ferrovi\u00e0ries s\u00f3n, entre altres ;<\/p>\n

– Ancoratges de barres d’acer<\/a><\/strong><\/p>\n

– Malles de cable d’acer<\/a><\/strong><\/p>\n

– Gunitat dels talussos<\/a><\/strong><\/p>\n

Centrant-se en l’explicaci\u00f3 de les aplicacions de la malla de triple torsi\u00f3 es pot dir que la col\u00b7locaci\u00f3 de malla de triple torsi\u00f3<\/a> <\/strong>t\u00e9 com a objectiu immobilitzar o atenuar\/controlar les esllavissades que es produeixen en els talussos resultant de la descomposici\u00f3 del substrat i contribuir a la consolidaci\u00f3 del substrat, de vegades afavorint el creixement de les plantes. La funci\u00f3 de la xarxa \u00e9s conservar el despreniment i en cas que es produeixi, conduir-lo al peu del pendent.<\/p>\n

Aquesta t\u00e8cnica est\u00e0 indicada per als seg\u00fcents casos:<\/p>\n

– Tractament de vessants naturals o excavats, fracturats o descompostos on es mobilitzen cent\u00edmetres a blocs de mesurament decim\u00e8trics.<\/p>\n

– Tractament de pendents on altres t\u00e8cniques d’estabilitzaci\u00f3 es desaconsellen per la inaccessibilitat del lloc o per l’impacte ambiental causat.<\/p>\n

Les xarxes de triple torsi\u00f3 m\u00e9s utilitzades s\u00f3n:<\/p>\n

– Malla de triple torsi\u00f3 5×7\/13: Amb llum de malla i menor resist\u00e8ncia, dissenyada per a pistes amb petits blocs esperats.<\/p>\n

– Malla de triple torsi\u00f3 \u00a08×10\/16: Major llum de malla i major resist\u00e8ncia a la tracci\u00f3 per a pendents amb blocs m\u00e9s grans esperats.<\/p>\n

Els m\u00e8todes aplicats solen ser tres:<\/p>\n

Malles penjants o contraequilibrades:<\/p>\n

S\u00f3n malles dissenyades per evitar que els blocs separats arribin a la velocitat i puguin arribar a llocs no desitjats. Condueixen el moviment dels blocs a baixa velocitat al peu del pendent, on s’acumulen.<\/p>\n

Malles adossades al pendent:<\/p>\n

S\u00f3n malles que utilitzen materials similars a l’anterior per\u00f2 responen a un principi diferent. S\u00f3n un sistema de protecci\u00f3 actiu, connectat a la superf\u00edcie del tal\u00fas perqu\u00e8 estigui en contacte amb la malla. Estan acostumats a col\u00b7locar en pendents molt inclinats amb materials inestables de fins a 50 cm.<\/p>\n

Malles amb refor\u00e7 de cable:<\/p>\n

La soluci\u00f3 anterior es pot combinar amb un refor\u00e7 extern de cables trenats i ancoratges intermedis. Aquest sistema \u00e9s un refor\u00e7 que ajuda a distribuir la c\u00e0rrega de retenci\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"

Malla de triple torsi\u00f3 amb geomalla per consolidar i protegir contra l’erosi\u00f3. A Inacc\u00e9s hem completat el manteniment de diversos talussos de les l\u00ednies ferrovi\u00e0ries de Rodalies Renfe a la zona de Cerdanyola. L’obra ha consistit en la instal\u00b7laci\u00f3 de geomalla que en comparaci\u00f3 amb la malla de triple torsi\u00f3 \u00e9s m\u00e9s adequada per a…<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[212],"class_list":["post-6372","post","type-post","status-publish","format-standard","hentry","category-sense-categoria","tag-malla-de-triple-torsio"],"yoast_head":"\nESTABILITZACI\u00d3 DE TAL\u00daS AMB MALLA DE TRIPLE TORSI\u00d3 - Inacces<\/title>\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.inacces.com\/ca\/estabilitzacio-de-talus-amb-malla-de-triple-torsio\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ESTABILITZACI\u00d3 DE TAL\u00daS AMB MALLA DE TRIPLE TORSI\u00d3 - Inacces\" \/>\n<meta property=\"og:description\" content=\"Malla de triple torsi\u00f3 amb geomalla per consolidar i protegir contra l’erosi\u00f3. A Inacc\u00e9s hem completat el manteniment de diversos talussos de les l\u00ednies ferrovi\u00e0ries de Rodalies Renfe a la zona de Cerdanyola. 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