{"id":57744,"date":"2025-06-23T14:20:26","date_gmt":"2025-06-23T08:50:26","guid":{"rendered":"https:\/\/urbanacres.in\/?p=57744"},"modified":"2025-06-23T14:20:26","modified_gmt":"2025-06-23T08:50:26","slug":"india-installs-heaviest-girder-for-first-bullet-train","status":"publish","type":"post","link":"https:\/\/livzzy.in\/?p=57744","title":{"rendered":"India installs heaviest girder for first bullet train"},"content":{"rendered":"

In a landmark development for India\u2019s first bullet train project, NHSRCL has successfully launched a full\u2011span, 40\u2011metre prestressed concrete box girder near Sakhare village in Dahanu. Weighing around 970\u202fmetric tonnes, the monolithic girder was cast using 390 cubic metres of concrete and 42\u202ftonnes of steel\u2014making it the heaviest pre\u2011stressed concrete girder ever installed in India. This full\u2011span launching method bypasses construction joints, enhancing the structural integrity of elevated viaducts and accelerating progress by up to ten times compared to traditional segmental techniques.<\/strong><\/h3>\n

NHSRCL deployed indigenous equipment\u2014including straddle carriers, bridge\u2011launching gantries, and girder transporters\u2014to precisely manoeuvre and fix the girder in place, demonstrating India\u2019s growing self\u2011sufficiency in complex rail infrastructure. The Mumbai\u2013Ahmedabad High\u2011Speed Rail Corridor (MAHSR) spans 508\u202fkm, with approximately 90\u202f% being elevated sections. As of May 2025, NHSRCL reports that 300\u202fkm of viaducts are complete\u2014of which over 257\u202fkm have been built using the full\u2011span method\u2014showcasing the speed and efficiency gains from this engineering leap.<\/h4>\n

\u00a0This latest girder was the first in the Maharashtra section, complementing similar installations in Gujarat since 2021. Over 13 casting yards have been established along the Maharashtra\u2013Gujarat alignment, equipped with advanced batching plants, rebar jigs, cement silos and quality labs to ensure high standards and uninterrupted workflow.<\/h4>\n

Beyond technical superiority, this build\u2011method supports sustainable infrastructure. Faster construction minimizes emissions from machinery and labour, while high\u2011integrity girders reduce long\u2011term maintenance\u2014supporting the corridor\u2019s eco\u2011friendly mandate. As India prioritises low\u2011carbon urban and intercity transport, such innovations are key to aligning infrastructure projects with environmental and equity goals. Yet challenges remain. A recent gantry skid incident near Ahmedabad in March 2025 raised caution about site safety during high\u2011speed operations. Commentators called it a \u2018segmental launching gantry skid\u2019 that disrupted adjacent rail traffic\u2014but without casualties, and normal flows were restored in 24 hours. NHSRCL\u2019s attention to equipment reliability and worker safety protocols will be paramount in sustaining scale\u2011up.<\/h4>\n

Looking ahead, further full\u2011span installations will accelerate completion across the corridor\u2019s elevated sections, including river bridges, tunnels and stations. With both engineering milestones and safety lessons learned, the bullet train project exemplifies how India is embedding resilience, precision, and local expertise into high\u2011speed infrastructure.<\/h4>\n

Also Read: Delhi Meerut RRTS Train Completes Speed Trial in Under One Hour<\/strong><\/a><\/p>\n

India installs heaviest girder for first bullet train<\/h5>\n","protected":false},"excerpt":{"rendered":"

In a landmark development for India\u2019s first bullet train project, NHSRCL has successfully launched a full\u2011span, 40\u2011metre prestressed concrete box girder near Sakhare village in<\/p>\n","protected":false},"author":1,"featured_media":57746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[149,146,147,181,150,172,148],"tags":[76234,76235,27922,76236,711],"class_list":["post-57744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infrastructure","category-latest","category-news","category-rail-ways","category-sustainability","category-transportation","category-urban-news","tag-full-span-launching-method","tag-heaviest-concrete-girder-bullet-train","tag-mumbai-ahmedabad-hsr","tag-nhsrcl-engineering","tag-sustainable-infrastructure"],"_links":{"self":[{"href":"https:\/\/livzzy.in\/index.php?rest_route=\/wp\/v2\/posts\/57744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/livzzy.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/livzzy.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/livzzy.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/livzzy.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=57744"}],"version-history":[{"count":0,"href":"https:\/\/livzzy.in\/index.php?rest_route=\/wp\/v2\/posts\/57744\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/livzzy.in\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/livzzy.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=57744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/livzzy.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=57744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/livzzy.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=57744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}