{"id":12603,"date":"2011-12-01T10:47:49","date_gmt":"2011-12-01T10:47:49","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2011\/12\/01\/probo-penyebabnya-bukan-ditubruk-kapal\/"},"modified":"2011-12-01T10:47:49","modified_gmt":"2011-12-01T10:47:49","slug":"probo-penyebabnya-bukan-ditubruk-kapal","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/probo-penyebabnya-bukan-ditubruk-kapal\/","title":{"rendered":"Probo: Penyebabnya Bukan Ditubruk Kapal"},"content":{"rendered":"<p>Jembatan yang menghubungkan Tenggarong Kota dan Tenggarong Seberang itu dikabarkan roboh pada Sabtu (26\/11). Musibah yang menelan sejumlah korban jiwa ini pun menarik perhatian Probo untuk melakukan rekayasa forensik guna mengetahui penyebab ambruknya jembatan.<\/p>\n<p>&#8221;Berdasarkan kondisi di lapangan dan keterangan para saksi di lokasi kejadian, saat ini saya sudah memiliki hipotesa awal terkait penyebab jatuhnya jembatan,&#8221; ujar Probo kepada para wartawan. Namun mantan rektor ITS itu mengatakan bahwa hipotesa ini masih perlu analisa lebih lanjut.<\/p>\n<p>Selama 10 tahun beroperasi, jembatan sepanjang 710 meter itu dikabarkan pernah tertubruk kapal tongkang pada 2006 silam. Santer dikabarkan, hal itulah yang memicu kerusakan dan berujung pada ambruknya jembatan. Tapi Probo yang sudah mengunjungi lokasi kejadian secara tegas mematahkan pendapat itu.<\/p>\n<p>&#8221;Bukan pernah ditubruk kapal yang menyebabkan jembatan ambruk,&#8221; tegas Probo. Menurutnya, jembatan tersebut ambruk disebabkan oleh aktivitas perbaikan yang sedang dilakukan terhadap jembatan. Saat itu, pada jembatan memang sedang dilakukan penaikkan lantai kendaraan yang sebelumnya mengalami penurunan hingga 72 cm.<\/p>\n<p>Penaikan lantai kendaraan itu dilakukan dengan dongkrak yang berdiri di atas landasan yang bertumpu langsung pada kawat-kawat penggantung. Hal itu menurut Probo menimbulkan gaya-gaya yang menyebabkan beban berlebihan pada kawat. Lebih dari itu, fakta bahwa arus kendaraan yang tidak ditutup selama proses penaikan memungkinkan timbulnya beban kejut.<\/p>\n<p>Probo pun menyampaikan berbagai temuan yang memperkuat hipotesanya. &#8221;Tidak ada kawat yang putus, justru patahannya terjadi pada pin yang terdapat di klem-klem di bagian atas kawat penggantung,&#8221; ujarnya. Probo menjelaskan hal itu disebabkan beban yang timbul oleh aktivitas dongkrak yang bertumpu pada kawat penggantung.<\/p>\n<p>&#8221;Tapi saya harus mencocokkan apa betul hipotesa saya ini dengan bangkai badan jembatan yang saat ini masih belum diangkat,&#8221; aku dosen Jurusan Teknik Sipil itu. Ia mengatakan berangkat dari hipotesa awal ini, selanjutnya akan dilakukan analisa dengan model komputasi dan pengujian material jembatan di laboratorium.<\/p>\n<p>Soal waktu terselesaikannya proses forensik ini, Probo mengatakan tergantung jalannya proses evakuasi dan administrasi. &#8221;Bisa cepat, bisa lambat, karena untuk menggunakan barang bukti kita juga harus meminta ijin kepolisian,&#8221; katanya.<\/p>\n<p>Pada kesempatan itu Probo pula menyampaikan salah satu pelajaran penting dari kejadian ini. Ia menilai bahwa selama ini pemeliharaan bangunan di Indonesia masih dianggap tidak terlalu penting. &#8221;Pemeliharan sesungguhnya tidak lebih mudah dari proses perancangan dan pembangunannya,&#8221; pungkasnya. (ald\/fi)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Guru Besar Teknik Sipil ITS, Prof Ir Priyo Suprobo MS PhD baru saja kembali dari perjalanannya meninjau lokasi ambruknya jembatan Kutai Kartanegara, Rabu (30\/11). Kepada awak media, Probo pun mengemukakan hipotesa awal terkait penyebab robohnya jembatan berusia 10 tahun itu.<\/p>\n","protected":false},"author":1,"featured_media":12604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-12603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Probo: Penyebabnya Bukan Ditubruk Kapal - ITS News<\/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.its.ac.id\/news\/probo-penyebabnya-bukan-ditubruk-kapal\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Probo: Penyebabnya Bukan Ditubruk Kapal - ITS News\" \/>\n<meta property=\"og:description\" content=\"Guru Besar Teknik Sipil ITS, Prof Ir Priyo Suprobo MS PhD baru saja kembali dari perjalanannya meninjau lokasi ambruknya jembatan Kutai Kartanegara, Rabu (30\/11). 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