{"id":10335808,"date":"2024-07-12T09:43:48","date_gmt":"2024-07-12T07:43:48","guid":{"rendered":"https:\/\/www.etf.fr\/uncategorized\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\/"},"modified":"2025-04-22T13:41:29","modified_gmt":"2025-04-22T11:41:29","slug":"48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c","status":"publish","type":"post","link":"https:\/\/www.etf.fr\/en\/agence-centre-en\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\/","title":{"rendered":"48-hour intervention in the Invalides tunnel on the RER C line"},"content":{"rendered":"\n<p>Ballast, in particular, plays a fundamental role in maintaining the geometric requirements of the tracks, requiring regular maintenance to ensure passenger safety and comfort.<\/p>\n\n\n\n<p>The anti-vibration mat is used to absorb and reduce the stresses and vibrations transferred to the structure of engineering structures, generated by rail traffic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Improved comfort and durability<\/h3>\n\n\n\n<p>ETF&#8217;s intervention made it possible to renew this mat\/ballast assembly in order to preserve the concrete structure of the tunnel, ensure the long-term reliability of the track geometry and thus significantly improve the experience of RER C users in terms of comfort and regularity of service.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reuse of ballast: an environmental commitment<\/strong><\/h3>\n\n\n\n<p>Beyond technical maintenance, this operation reflects ETF&#8217;s commitment to an eco-responsible approach. The ballast removed was recycled and reused on secondary tracks. This approach optimises the use of resources and also helps to reduce the environmental impact of railway maintenance activities.<\/p>\n\n\n\n<p>The teams at ETF&#8217;s Centre agency have once again demonstrated their expertise and efficiency. Thanks to their work, the Paris rail network continues to meet high expectations in terms of performance and reliability, ensuring optimal service for all users.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ETF carried out a 48-hour blitz operation in the Invalides tunnel on the RER C line. The work involved replacing the ballast and the anti-vibration mat (specifically installed in this sensitive area), which are key elements for the stability and durability of the railway infrastructure.<\/p>\n","protected":false},"author":239,"featured_media":4457762,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[194],"tags":[],"class_list":["post-10335808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agence-centre-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>48-hour intervention in the Invalides tunnel on the RER C line - ETF<\/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.etf.fr\/en\/agence-centre-en\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"48-hour intervention in the Invalides tunnel on the RER C line - ETF\" \/>\n<meta property=\"og:description\" content=\"ETF carried out a 48-hour blitz operation in the Invalides tunnel on the RER C line. The work involved replacing the ballast and the anti-vibration mat (specifically installed in this sensitive area), which are key elements for the stability and durability of the railway infrastructure.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.etf.fr\/en\/agence-centre-en\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\/\" \/>\n<meta property=\"og:site_name\" content=\"ETF\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-12T07:43:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-22T11:41:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.etf.fr\/wp-content\/uploads\/2024\/07\/IMG_4952-2-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"chloe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"chloe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/\"},\"author\":{\"name\":\"chloe\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/#\\\/schema\\\/person\\\/b20334e710830573c2a3ba4ab9b7d679\"},\"headline\":\"48-hour intervention in the Invalides tunnel on the RER C line\",\"datePublished\":\"2024-07-12T07:43:48+00:00\",\"dateModified\":\"2025-04-22T11:41:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/\"},\"wordCount\":196,\"publisher\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.etf.fr\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/IMG_4952-2-scaled.jpg\",\"articleSection\":[\"Agence Centre\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/\",\"url\":\"https:\\\/\\\/www.etf.fr\\\/en\\\/agence-centre-en\\\/48h-dintervention-dans-le-tunnel-des-invalides-sur-le-rer-c\\\/\",\"name\":\"48-hour intervention in the Invalides tunnel on the RER C line - 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