{"id":118757,"date":"2012-03-15T12:06:58","date_gmt":"2012-03-15T12:06:58","guid":{"rendered":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/"},"modified":"2012-03-15T12:06:58","modified_gmt":"2012-03-15T12:06:58","slug":"warszawa-hydrofrez-na-rondzie-onz","status":"publish","type":"infotram","link":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/","title":{"rendered":"Warszawa: HYDROFREZ na Rondzie ONZ"},"content":{"rendered":"<p>Po zachodniej stronie placu budowy zastosowana zostanie zupe\u0142nie inna metoda wykonywania \u015bcian szczelinowych ni\u017c na pozosta\u0142ych stacjach, na kt&oacute;rych w tym celu wykorzystywane s\u0105 g\u0142\u0119biarki chwytakowe. <br \/>Na placu budowy stacji Rondo ONZ w\u0142a\u015bnie pojawi\u0142 si\u0119 hydrofrez (ang. hydromill), kt&oacute;rego zadaniem b\u0119dzie wykonanie najg\u0142\u0119bszych na przestrzeni ca\u0142ego centralnego odcinka II linii metra \u015bcian szczelinowych &#8211; si\u0119gn\u0105 one niemal 50 metr&oacute;w w g\u0142\u0105b ziemi. Podczas gdy tradycyjna pog\u0142\u0119biarka z chwytakiem g\u0142\u0119bi maksymalnie 40-metrowe \u015bciany, hydrofrez mo\u017ce wykona\u0107 \u015bciany szczelinowe na g\u0142\u0119boko\u015bci prawie 100 m. Zastosowanie tej technologii wynika przede wszystkim z charakterystyki projektu \u015bcian szczelinowych na stacji Rondo ONZ, kt&oacute;re w zachodniej cz\u0119\u015bci si\u0119ga\u0107 b\u0119d\u0105 ponad 50 m, a po wschodniej prawie 40 m. Przy takiej g\u0142\u0119boko\u015bci jedynie hydrofrez jest w stanie zagwarantowa\u0107 spe\u0142nienie rygorystycznych norm dla odchyle\u0144 pionowych. <\/p>\n<p align=\"center\"><a title=\"HYDROFREZ na Rondzie ONZ\"><img decoding=\"async\" title=\"HYDROFREZ na Rondzie ONZ\" alt=\"HYDROFREZ na Rondzie ONZ\" src=\"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg\" \/><\/a><\/p>\n<p>Ponadto badania geologiczne wykaza\u0142y, \u017ce w zachodniej cz\u0119\u015bci teren placu budowy jest silnie uwodniony. Aby zapewni\u0107 szczelno\u015b\u0107 przysz\u0142ej stacji, prace budowlane musz\u0105 si\u0119gn\u0105\u0107 warstw gliny, kt&oacute;re znajduj\u0105 si\u0119 na g\u0142\u0119boko\u015bci oko\u0142o 50 m. Oznacza to, \u017ce aby zabezpieczy\u0107 konstrukcj\u0119 stacji przed wp\u0142ywem wody, budowniczowie musz\u0105 zej\u015b\u0107 poni\u017cej warstw wodono\u015bnych i dotrze\u0107 do pok\u0142ad&oacute;w nieprzepuszczalnych, kt&oacute;re utworz\u0105 barier\u0119 dla w&oacute;d gruntowych i pe\u0142ni\u0107 b\u0119d\u0105 funkcj\u0119 korka. Hydrofrez to urz\u0105dzenie wyposa\u017cone w dwa zestawy ostrzy tn\u0105cych, przypominaj\u0105cych kszta\u0142tem kwiat s\u0142onecznika. Ostrza &#8211; ilo\u015bci\u0105 i rodzajem tzw. z\u0119b&oacute;w dopasowane do danych warunk&oacute;w gruntowych &#8211; nap\u0119dzane s\u0105 przez silniki hydrauliczne. Do wykopu wprowadzany jest bentonit, a rozdrobniony przez ostrza urobek jest wyp\u0142ukiwany i odprowadzany wraz z zawiesin\u0105 bentonitow\u0105 na powierzchni\u0119 przez specjalne pompy. Nast\u0119pnie zostaje on odfiltrowany. M&oacute;wi\u0105c najpro\u015bciej, hydrofrez pozwala wykonywa\u0107 \u015bciany szczelinowe w niemal wszystkich warunkach geologicznych (tak\u017ce w ska\u0142ach). Umo\u017cliwia on bie\u017c\u0105cy monitoring procesu g\u0142\u0119bienia, a przede wszystkim kontrol\u0119 odchyle\u0144 pionowych dr\u0105\u017conego otworu, g\u0142\u0119boko\u015b\u0107 i prac\u0119 ostrzy, dzi\u0119ki czemu operator hydrofrezu mo\u017ce w ka\u017cdej chwili korygowa\u0107 prac\u0119 maszyny.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"closed","template":"","categories":[23],"tags":[695,852,84],"class_list":["post-118757","infotram","type-infotram","status-publish","hentry","category-infrastruktura","tag-budowa","tag-metro","tag-warszawa"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.8 (Yoast SEO v23.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Warszawa: HYDROFREZ na Rondzie ONZ - TransInfo Archiwum<\/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:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Warszawa: HYDROFREZ na Rondzie ONZ\" \/>\n<meta property=\"og:description\" content=\"Po zachodniej stronie placu budowy zastosowana zostanie zupe\u0142nie inna metoda wykonywania \u015bcian szczelinowych ni\u017c...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/\" \/>\n<meta property=\"og:site_name\" content=\"TransInfo Archiwum\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/\",\"url\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/\",\"name\":\"Warszawa: HYDROFREZ na Rondzie ONZ - TransInfo Archiwum\",\"isPartOf\":{\"@id\":\"https:\/\/transinfo.pl\/x\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg\",\"datePublished\":\"2012-03-15T12:06:58+00:00\",\"dateModified\":\"2012-03-15T12:06:58+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage\",\"url\":\"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg\",\"contentUrl\":\"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/transinfo.pl\/x\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Infotram\",\"item\":\"https:\/\/transinfo.pl\/x\/infotram\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Warszawa: HYDROFREZ na Rondzie ONZ\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/transinfo.pl\/x\/#website\",\"url\":\"https:\/\/transinfo.pl\/x\/\",\"name\":\"TransInfo Archiwum\",\"description\":\"Ca\u0142y transport w jednym miejscu\",\"publisher\":{\"@id\":\"https:\/\/transinfo.pl\/x\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/transinfo.pl\/x\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/transinfo.pl\/x\/#organization\",\"name\":\"TransInfo\",\"url\":\"https:\/\/transinfo.pl\/x\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/transinfo.pl\/x\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/transinfo.pl\/x\/wp-content\/uploads\/2024\/10\/favicon.png\",\"contentUrl\":\"https:\/\/transinfo.pl\/x\/wp-content\/uploads\/2024\/10\/favicon.png\",\"width\":512,\"height\":512,\"caption\":\"TransInfo\"},\"image\":{\"@id\":\"https:\/\/transinfo.pl\/x\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Warszawa: HYDROFREZ na Rondzie ONZ - TransInfo Archiwum","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/","og_locale":"pl_PL","og_type":"article","og_title":"Warszawa: HYDROFREZ na Rondzie ONZ","og_description":"Po zachodniej stronie placu budowy zastosowana zostanie zupe\u0142nie inna metoda wykonywania \u015bcian szczelinowych ni\u017c...","og_url":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/","og_site_name":"TransInfo Archiwum","og_image":[{"url":"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg"}],"twitter_card":"summary_large_image","twitter_misc":{"Szacowany czas czytania":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/","url":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/","name":"Warszawa: HYDROFREZ na Rondzie ONZ - TransInfo Archiwum","isPartOf":{"@id":"https:\/\/transinfo.pl\/x\/#website"},"primaryImageOfPage":{"@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage"},"image":{"@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage"},"thumbnailUrl":"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg","datePublished":"2012-03-15T12:06:58+00:00","dateModified":"2012-03-15T12:06:58+00:00","breadcrumb":{"@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/"]}]},{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#primaryimage","url":"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg","contentUrl":"http:\/\/www.infobus.pl\/files2\/46359\/img_8365_760.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/transinfo.pl\/x\/infotram\/warszawa-hydrofrez-na-rondzie-onz\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/transinfo.pl\/x\/"},{"@type":"ListItem","position":2,"name":"Infotram","item":"https:\/\/transinfo.pl\/x\/infotram\/"},{"@type":"ListItem","position":3,"name":"Warszawa: HYDROFREZ na Rondzie ONZ"}]},{"@type":"WebSite","@id":"https:\/\/transinfo.pl\/x\/#website","url":"https:\/\/transinfo.pl\/x\/","name":"TransInfo Archiwum","description":"Ca\u0142y transport w jednym miejscu","publisher":{"@id":"https:\/\/transinfo.pl\/x\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/transinfo.pl\/x\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pl-PL"},{"@type":"Organization","@id":"https:\/\/transinfo.pl\/x\/#organization","name":"TransInfo","url":"https:\/\/transinfo.pl\/x\/","logo":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/transinfo.pl\/x\/#\/schema\/logo\/image\/","url":"https:\/\/transinfo.pl\/x\/wp-content\/uploads\/2024\/10\/favicon.png","contentUrl":"https:\/\/transinfo.pl\/x\/wp-content\/uploads\/2024\/10\/favicon.png","width":512,"height":512,"caption":"TransInfo"},"image":{"@id":"https:\/\/transinfo.pl\/x\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/infotram\/118757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/infotram"}],"about":[{"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/types\/infotram"}],"author":[{"embeddable":true,"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/comments?post=118757"}],"wp:attachment":[{"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/media?parent=118757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/categories?post=118757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/transinfo.pl\/x\/wp-json\/wp\/v2\/tags?post=118757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}