{"id":11487,"date":"2023-05-26T09:02:42","date_gmt":"2023-05-26T03:32:42","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=11487"},"modified":"2025-03-30T02:53:55","modified_gmt":"2025-03-29T21:23:55","slug":"mumbai-trans-harbour-link-mthl","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/mumbai-trans-harbour-link-mthl\/","title":{"rendered":"Mumbai Trans Harbour Link (MTHL)"},"content":{"rendered":"<h2><strong>Key features MTHL<\/strong><\/h2>\n<ul>\n<li><strong>It connects Mumbai to the mainland:<\/strong>\n<ul>\n<li>It starts from Sewri in Mumbai to Chirle in Navi The 22-km-long sea link is the <strong>longest in the country and the tenth longest in the world.<\/strong><\/li>\n<li>The project cost is Rs 17,843 crore.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Use of Orthotropic Steel Deck technology for the first time in India:<\/strong>\n<ul>\n<li>The sea link <strong>passes through one of the busiest navigational channels<\/strong> leading to Nhava Sheva Port. Orthotropic Steel Decks are special steel decks that enable a span (distance between two piers) that is up to three times longer than the norm.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Reverse Circulation Drilling:<\/strong>\n<ul>\n<li>This is the <strong>first time this technology was used in India. <\/strong>This is used for laying the pile foundation.<\/li>\n<li>Usually, a vertical drilling method is used to lay a pile foundation. This creates a lot of noise, disturbing the surroundings. This was one of the major reasons for environmentalists to oppose the project. Instead, Reverse Circulation Technology has made a difference.<\/li>\n<\/ul>\n<\/li>\n<li><strong>High Containment Crash Barriers:<\/strong> MMRDA plans to use these on the MTHL. These are special crash barriers that will push the car back on the road in case of a crash. Normal crash barriers only take the impact of a crash.<\/li>\n<\/ul>\n<h3>MTHL will achieve:<\/h3>\n<ul>\n<li>Physical and economic development of Navi Mumbai and Raigad district<\/li>\n<li>Faster connectivity with the proposed Navi Mumbai International Airport<\/li>\n<li>Faster connectivity of Mumbai Port and Jawaharlal Nehru Port<\/li>\n<li>Saving in fuel, saving in travel time by about 1 hour due to reduction of distance of about 15 km between Mumbai and Navi Mumbai, Mumbai-Pune Expressway, Mumbai-Goa highway<\/li>\n<li>Help decongest traffic in Mumbai city<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1) What is orthotropic steel?<\/h3>\n<p>An &#8220;orthotropic bridge&#8221; is one in which all superstructure components are made completely of steel. An &#8220;orthotropic deck bridge&#8221; is a welded, all-steel superstructure that acts as a single, integral unit. Main members may be plate, box, or other girders.<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.news18.com\/india\/en-route-to-many-firsts-for-india-heres-why-mthl-is-an-engineering-marvel-7913389.html\" target=\"_blank\" rel=\"nofollow noopener\">En Route to Many Firsts for India: Here\u2019s Why Mumbai Trans Harbour Link Is An Engineering Marvel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Starts from Sewri in Mumbai to Chirle in Navi The 22-km-long sea link is the longest in the country<\/p>\n","protected":false},"author":5,"featured_media":11488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-11487","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/11487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=11487"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/11487\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/11488"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=11487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=11487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=11487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}