{"id":5281,"date":"2020-12-01T16:38:00","date_gmt":"2020-12-01T15:38:00","guid":{"rendered":"https:\/\/www.optimum-te-recette.horizon-ci.fr\/unclassified\/trenchless-calculations-unique-in-france\/"},"modified":"2025-04-15T06:41:08","modified_gmt":"2025-04-15T04:41:08","slug":"trenchless-calculations-unique-in-france","status":"publish","type":"post","link":"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/","title":{"rendered":"Trenchless calculations unique in France"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;et_body_layout&#8221;]<\/p>\n<p>OPTIMUM\u2019s unique trenchless calculation capacity proved invaluable on a recent HDD project for RTE under the Nantes ring road, near FC Nantes\u2019 Beaujoire stadium.<\/p>\n<p>RTE wanted to reduce the drill path depth of planned HDD crossings under the ring road to limit the project\u2019s impact on nearby municipal sports facilities. Since this would increase the risk not only of drilling fluid break outs on the ring road but also settlement levels, RTE wanted to carefully evaluate the changes before validating the new profile.<\/p>\n<p>OPTIMUM, which had already carried out G1 PGC and G2 PRO studies for the two drills, reworked the geotechnical model and simulated soil resistance \/ drilling pressure whilst also evaluating the surface settlement by finite elements, a combination that only OPTIMUM offers in France.<\/p>\n<p>The calculations confirmed the feasibility of the drill path change ; RTE was able to go ahead, entrusting drilling to Groupe Gendry, which completed the project without any impact to the ring road ; mission accomplished.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OPTIMUM\u2019s unique trenchless calculation capacity proved invaluable on a recent HDD project for RTE under the Nantes ring road, near FC Nantes\u2019 Beaujoire stadium.<\/p>\n<p>RTE wanted to reduce the drill path depth of planned HDD crossings under the ring road to limit the project\u2019s impact on nearby municipal sports facilities. Since this would increase the risk not only of drilling fluid break outs on the ring road but also settlement levels, RTE wanted to carefully evaluate the changes before validating the new profile.<\/p>\n","protected":false},"author":1,"featured_media":3440,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[49],"tags":[80],"class_list":["post-5281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electricity-en","tag-hdd-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Trenchless calculations unique in France - Optimum<\/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.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trenchless calculations unique in France - Optimum\" \/>\n<meta property=\"og:description\" content=\"OPTIMUM\u2019s unique trenchless calculation capacity proved invaluable on a recent HDD project for RTE under the Nantes ring road, near FC Nantes\u2019 Beaujoire stadium.  RTE wanted to reduce the drill path depth of planned HDD crossings under the ring road to limit the project\u2019s impact on nearby municipal sports facilities. Since this would increase the risk not only of drilling fluid break outs on the ring road but also settlement levels, RTE wanted to carefully evaluate the changes before validating the new profile.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\" \/>\n<meta property=\"og:site_name\" content=\"Optimum\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-01T15:38:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-15T04:41:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2025\/02\/calculs.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"357\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin-optimum-549\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin-optimum-549\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\"},\"author\":{\"name\":\"admin-optimum-549\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/1c9e13c61c909e5e87588c754752807c\"},\"headline\":\"Trenchless calculations unique in France\",\"datePublished\":\"2020-12-01T15:38:00+00:00\",\"dateModified\":\"2025-04-15T04:41:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\"},\"wordCount\":250,\"publisher\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2025\/02\/calculs.jpg\",\"keywords\":[\"HDD\"],\"articleSection\":[\"Electricity\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\",\"url\":\"https:\/\/www.optimum-te.com\/en\/electricity-en\/trenchless-calculations-unique-in-france\/\",\"name\":\"Trenchless calculations unique in France - 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