{"id":36074,"date":"2018-11-16T19:13:46","date_gmt":"2018-11-16T12:13:46","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/?p=36074"},"modified":"2022-06-15T02:30:53","modified_gmt":"2022-06-14T19:30:53","slug":"mahasiswa-its-gunakan-serat-tebu-sebagai-pengganti-semen","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/mahasiswa-its-gunakan-serat-tebu-sebagai-pengganti-semen\/","title":{"rendered":"Mahasiswa ITS Gunakan Serat Tebu sebagai Pengganti Semen"},"content":{"rendered":"<figure id=\"attachment_36075\" aria-describedby=\"caption-attachment-36075\" style=\"width: 1600px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-36075\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04.jpeg\" alt=\"\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04.jpeg 1600w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04-300x225.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04-768x576.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04-1024x768.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.04-355x266.jpeg 355w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption id=\"caption-attachment-36075\" class=\"wp-caption-text\">Tiga mahasiswa Departemen Teknik Sipil ITS gondol juara pertama Green Concrete Competition<\/figcaption><\/figure>\n<blockquote><p><strong>Kampus ITS, ITS News &#8211;<\/strong> Mengusung inovasi beton geopolimer, tiga mahasiswa Departemen Teknik Sipil Institut Teknologi Sepuluh Nopember (ITS) Surabaya berhasil memanfaatkan serat tebu sebagai pengganti semen. Melalui terobosan barunya tersebut, didapatkan hasil kuat tarik beton yang melebihi beton konvensional.<\/p><\/blockquote>\n<p>Salah satu anggota tim, Dzikrie Fikrian Syah menjelaskan, dipilihnya serat tebu sebagai pengganti semen dengan pertimbangan bahan bakunya mudah didapatkan. Selain itu, kerapatan massa yang rendah membuat serta tebu ini lebih mudah untuk diolah. \u201cKami ingin bisa memanfaatkan limbah pabrik gula, terlebih karena kuat tarik dari serat tebu ini ternyata cukup tinggi dan juga tahan karat,\u201d ungkaprnya.<\/p>\n<p>Tergabung dalam Tim Sang Makarya, Dzikrie bersama kedua temannya, M Rifat Hidayat dan Verdi Arya Rahaditya membuat beton dengan mencampur pasir, kerikil dan fly ash di mesin pengaduk beton. Setelah itu, mereka menambahkan larutan aktivator ke dalam campuran tersebut. \u201cAktivator ini kami buat dengan melarutkan natrium silikat dan natrium hidroksida di wadah nonlogam,\u201d paparnya.<\/p>\n<p>Lebih lanjut, ia menjelaskan, serat tebu kemudian ditambahkan dengan perbandingan bahan yakni satu persen fly ash; dua persen kerikil; 0,86 persen pasir; 1,43 persen NaOH; 0,17 persen NaSiO3; dan 0,26 persen serat tebu. \u201cProses pembuatan sampai pencetakan beton ini memakan waktu lima belas menit, sedangkan proses perawatan dilakukan sejak beton berumur satu hari sampai 28 hari,\u201d ujar mahasiswa penggemar olahraga futsal ini.<\/p>\n<p>Usai beton tersebut jadi, imbuh Dzikrie, dilakukan pengujian kuat tekan dan kuat tarik. Dari pengujian tersebut, kuat tariknya dihentikan saat mencapai 42,5 MPa. Sedangkan kuat tekannya sebesar 14,2 MPa, di mana beton konvensional seharusnya sudah gagal di 4,25 MPa. \u201cHal ini menunjukkan bahwa kuat tarik beton dari bahan serat tebu tersebut di atas dari beton konvensional yang terbuat dari semen,\u201d tegas mahasiswa asal Jombang itu.<\/p>\n<p>Selain itu, dari hasil penelitian yang telah meraih juara satu pada ajang Civil Days yang diselenggarakan Universitas Negeri Malang tersebut, dihasilkan susut beton yang terbilang kecil. Menurutnya, hal itu dikarenakan beton geopolimer adalah beton dengan kekuatan awal tinggi, yakni sekitar 70 persen kekuatan beton tercapai di umur satu hari. \u201cSemoga segera ditemukan metode mix design beton geopolimer agar dapat diterapkan di konstruksi bangunan,\u201d pungkasnya. (hen\/owi\/HUMAS ITS)<\/p>\n<figure id=\"attachment_36076\" aria-describedby=\"caption-attachment-36076\" style=\"width: 1600px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-36076\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53.jpeg\" alt=\"\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53.jpeg 1600w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53-300x225.jpeg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53-768x576.jpeg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53-1024x768.jpeg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/11\/WhatsApp-Image-2018-11-16-at-14.04.53-355x266.jpeg 355w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption id=\"caption-attachment-36076\" class=\"wp-caption-text\">Proses pengujian beton yang menggunakan serat tebu sebagai pengganti semen<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Kampus ITS, ITS News &#8211; Mengusung inovasi beton geopolimer, tiga mahasiswa Departemen Teknik Sipil Institut Teknologi Sepuluh Nopember (ITS) Surabaya berhasil memanfaatkan serat tebu sebagai pengganti semen. Melalui terobosan barunya tersebut, didapatkan hasil kuat tarik beton yang melebihi beton konvensional. Salah satu anggota tim, Dzikrie Fikrian Syah menjelaskan, dipilihnya serat tebu sebagai pengganti semen dengan [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":36075,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[14,1],"tags":[214,204],"class_list":["post-36074","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama","category-riset-dan-teknologi","tag-hen","tag-owi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mahasiswa ITS Gunakan Serat Tebu sebagai Pengganti Semen - 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\/mahasiswa-its-gunakan-serat-tebu-sebagai-pengganti-semen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mahasiswa ITS Gunakan Serat Tebu sebagai Pengganti Semen - ITS News\" \/>\n<meta property=\"og:description\" content=\"Kampus ITS, ITS News &#8211; Mengusung inovasi beton geopolimer, tiga mahasiswa Departemen Teknik Sipil Institut Teknologi Sepuluh Nopember (ITS) Surabaya berhasil memanfaatkan serat tebu sebagai pengganti semen. 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