{"id":4300,"date":"2016-05-06T12:50:44","date_gmt":"2016-05-06T09:50:44","guid":{"rendered":"https:\/\/www.emetro.gr\/?page_id=4300&#038;lang=en"},"modified":"2024-06-03T13:21:54","modified_gmt":"2024-06-03T10:21:54","slug":"track-work-2","status":"publish","type":"page","link":"https:\/\/www.emetro.gr\/?page_id=4300&lang=en","title":{"rendered":"Track work"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4300\" class=\"elementor elementor-4300\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-732c0fdd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"732c0fdd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5cb444fe\" data-id=\"5cb444fe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a6cf4d8 elementor-widget elementor-widget-text-editor\" data-id=\"7a6cf4d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: justify;\">The trackwork in the Metro tunnels comprises the elastic support track, fastened on concrete track-bed (Fixed trackwork).\r\nThe tracks have a standard gauge of 1435mm, made by UIC 54 rails, fastened on bi-block sleepers \u2013 with microcellular footing and rubber boots \u2013 semi-embedded into the trackbed concrete. In addition, the third rail along with its protective cover is fastened on the sleepers, by means insulated brackets. Underneath the trackbed concrete there is a mesh for the collection of stray currents, embedded into the concrete of the tunnel invert. Concrete cable ducts are constructed at both sides of the tunnel; these ducts and their precast covers form the tunnel\u2019s walkway.<\/p>\r\n<p style=\"text-align: justify;\">\r\nThe turnouts \/ crossovers are now installed using the direct fixation system on the concrete slab. Moreover, wherever necessary, measures for noise and vibration mitigation are implemented. In these areas, the turnouts \/ crossovers and the plain track sections are placed on floating slabs.\r\nIn the open-air areas of the Depots, the turnouts \/ crossovers are installed on wooden or concrete sleepers on ballasted track.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The trackwork in the Metro tunnels comprises the elastic support track, fastened on concrete track-bed (Fixed trackwork). The tracks have a standard gauge of 1435mm, made by UIC 54 rails, fastened on bi-block sleepers \u2013 with microcellular footing and rubber boots \u2013 semi-embedded into the trackbed concrete. In addition, the third rail along with its protective cover is fastened on the sleepers, by means insulated brackets. Underneath the trackbed concrete there is a mesh for the collection of stray currents, embedded into the concrete of the tunnel invert. Concrete cable ducts are constructed at both sides of the tunnel; these ducts and their precast covers form the tunnel\u2019s walkway. The turnouts \/ crossovers are now installed using the direct fixation system on the concrete slab. Moreover, wherever necessary, measures for noise and vibration mitigation are implemented. In these areas, the turnouts \/ crossovers and the plain track sections are placed on floating slabs. In the open-air areas of the Depots, the turnouts \/ crossovers are installed on wooden or concrete sleepers on ballasted track.<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":4294,"menu_order":165,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4300","page","type-page","status-publish","hentry"],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"elinaki","author_link":"https:\/\/www.emetro.gr\/?author=9"},"rttpg_comment":0,"rttpg_category":" <a href=\"https:\/\/www.emetro.gr\/?lang=en\" rel=\"tag\">English<\/a>","rttpg_excerpt":"The trackwork in the Metro tunnels comprises the elastic support track, fastened on concrete track-bed (Fixed trackwork). The tracks have a standard gauge of 1435mm, made by UIC 54 rails, fastened on bi-block sleepers \u2013 with microcellular footing and rubber boots \u2013 semi-embedded into the trackbed concrete. In addition, the third rail along with its&hellip;","_links":{"self":[{"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/pages\/4300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emetro.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4300"}],"version-history":[{"count":5,"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/pages\/4300\/revisions"}],"predecessor-version":[{"id":29492,"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/pages\/4300\/revisions\/29492"}],"up":[{"embeddable":true,"href":"https:\/\/www.emetro.gr\/index.php?rest_route=\/wp\/v2\/pages\/4294"}],"wp:attachment":[{"href":"https:\/\/www.emetro.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}