{"id":3357,"date":"2018-12-09T01:36:00","date_gmt":"2018-12-09T00:36:00","guid":{"rendered":"https:\/\/www.maccaferri.com\/as\/?p=3357"},"modified":"2023-07-26T12:20:38","modified_gmt":"2023-07-26T10:20:38","slug":"an-engineering-marvel-in-the-midst-of-the-himalaya","status":"publish","type":"post","link":"https:\/\/www.maccaferri.com\/au\/news\/an-engineering-marvel-in-the-midst-of-the-himalaya\/","title":{"rendered":"An engineering marvel in the midst of the Himalaya"},"content":{"rendered":"

Sikkim \u2013 a landlocked Indian state located in the Himalayan mountains, well-known for its lush green topography with a wide variety of flora and fauna, is now a part of India\u2019s aviation map.<\/em><\/p>\n

At a height of over\u00a04.500 ft, the\u00a0new Pakyong Airport is one of the five highest airports in India and the first greenfield airport in the Northeastern region of India.<\/p>\n

Apart from the location in the mountainous terrain of Himalayas,\u00a0heavy rainfall, heavily weathered ground conditions, high seismicity, balance of cut and fill and land availability constraints\u00a0made this nine-year-long project extremely challenging.<\/p>\n

Our reinforced soil structure served as a retention embankment for the runway of this prestigious project which is standing today as\u00a0one of the world\u2019s tallest reinforced structure at almost\u00a080 m in height<\/strong>. Maccaferri\u2019s Paramesh system, comprising of\u00a0high strength geogrid (Paralink)\u00a0along with fascia elements\u00a0Terramesh system\u00a0and\u00a0Green Terramesh\u00a0takes the credit to build this \u2018Engineering Marvel\u2019, as described by\u00a0BBC.<\/p>\n<\/div><\/div><\/div><\/div>

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Difficult topography and hostile weather conditions made this nine-year-long project extremely challenging<\/strong>.<\/p>\n

For making level ground for the airport construction, the mountainside slope up to around 110m high had to be excavated and the valley side slope required retention structures up to 74m high<\/strong>. Due to the geology of the site comprising of a mix of sedimentary and metamorphic rocks that are highly weathered, the design was very challenging. The structure also had to deal with very high seismic loading and a four-month monsoon period with one of the world\u2019s highest annual rainfalls of about 2500mm on average. This has already exceeded up to 3900mm in 2011 during the construction period.<\/p>\n

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One of the most specific requirements of the client,\u00a0Airport Authority of India (AAI)\u00a0was to have an eco-friendly solution, as the\u00a0cutting side area had direct visibility from the runway and terminal building and most importantly the construction should not have an adverse impact on the environment and local habitat. Ecological and land take reasons led the local state to instruct that fill should have neither be exported nor imported. All this meant that a completely balanced cut and fill design was needed within the tightest possible carbon footprint, with land take kept at 56ha.<\/p>\n

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This solution has\u00a0been awarded at both\u00a0national and international level for concept and innovation in engineering and for its eco-friendly nature.<\/strong>\u00a0The State\u2019s first airport at Pakyong has been inaugurated by Prime Minister Narendra Modi on the 24th<\/sup>\u00a0September 2018, a\u00a0ceremony that\u00a0marked a milestone for aviation in\u00a0India, as reported by CCN.<\/p>\n

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    The 100th operational airport in India required retention megastructures up to 74m high<\/p>\n","protected":false},"author":7,"featured_media":16335,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[13,1],"tags":[],"class_list":["post-3357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articoli","category-news"],"acf":[],"yoast_head":"\nAn engineering marvel in the midst of the Himalaya - Maccaferri Australia<\/title>\n<meta name=\"description\" content=\"The 100th operational airport in India required retention megastructures up to 74m high\" \/>\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.maccaferri.com\/au\/news\/an-engineering-marvel-in-the-midst-of-the-himalaya\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An engineering marvel in the midst of the Himalaya - 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