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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Teknik Sipil Journal of Science and Applicative Technology Jurnal Aplikasi Teknik Sipil Jurnal Infrastruktur Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan JGISE-Journal of Geospatial Information Science and Engineering Bandar: Journal of Civil Engineering Nusantara Hasana Journal Jurnal Pengabdian Masyarakat Bhinneka Jurnal Pengabdian Masyarakat Bangsa TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Journal Of Civil Engineering And Infrastructure Technology Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil
M Gilang Indra Mardika
Program Studi Teknik Sipil, Fakultas Teknologi Infrastruktur Dan Kewilayahan, Institut Teknologi Sumatera, Lampung
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Studi Perencanaan Jetty Sebagai Bangunan Pelindung Muara Dalam Menyelesaikan Permasalahan Muara Sungai Air Hitam Bengkulu M Gilang Indra Mardika; Julita Hayati; Reynaldi Kurniawan; Indri Rahmandhani Fitriana; Tera Melya Patrice Sihombing
Jurnal Infrastruktur Vol. 11 No. 1 (2025): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/nbmwxc55

Abstract

One of the estuaries in Bengkulu Province, the Air Hitam River Estuary, has gradation and estuary drift problems based on Google Earth satellite observations annually. The cause is the occurrence of high sediment material and the phenomenon of longshore currents. The structural solution is the design of a jetty structure with a long type because the estuarine condition causes the need to remain open. This coastal protection aims to maintain estuary stability and regulate the stream flow. The methods used in the research methods are the Admiralty method in the processing of tidal data and the Hindcasting method from CERC in the processing of wind data. The results of the analysis provide a jetty length of 270 m with a width of 200 m between jetties. The left and right jetties have a peak width of 3 m and the highest building is 4 m from sea level with high tidal parameters of HHWL, MSL, and LLWL conditions are 78.21 m, 0.04 m, and -78.36 m, respectively. The breaking wave analysis derived a height of 2.50 m at a depth of -3.22 m which is utilized for infrastrcture dimension analysis. The coastal protection materials used with a 1:2 building slope on both jetties are tetrapods for the first and second layers, and boulders for the core layer. Used 0.5-2 tons weight of tetrapods for both sides of the jetty, 0.44-16.71 kg and 0.18-16.71 kg weight of boulder stones for both sides of the jetty, and toe protection used boulder stones weighing 43.69-157.28 kg and 18.39-157.28 kg for both sides of the jetty. Based on the literature study and estuary conditions, this design is capable of maintaining estuary stability and control river flow effectively.
Pendampingan Teknis Pengelolaan Limbah Industri Batching Plant dan Asphalt Mixing Plant dalam Mendukung Penyediaan Material Konstruksi Beton Ribowo, Anggarani Budi; Susanti, Junita Eka; Kurniawan, Rahmat; Dwiyana, Putri Ayu; Saputra, Cahyo Agung; Prayogi, Galih Rio; Fitriana, Indri Rahmandhani; Hayati, Julita; Mardika, M Gilang Indra; Aprilia, Ayu Sinta; Khanza, Ayu Kamila; Michael, Michael; Yudi, Ahmad; Nadi, Muhammad Abi Berkah; Wirawan, Nugraha Bintang
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 3 (2026): Bulan Februari
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i3.1232

Abstract

Industri Batching Plant dan Asphalt Mixing Plant (AMP) berperan strategis dalam penyediaan material konstruksi, namun aktivitas operasionalnya menghasilkan limbah padat dan cair yang berpotensi mencemari lingkungan apabila tidak dikelola secara optimal. Sebagai upaya mendukung pengelolaan limbah yang berkelanjutan, tim dosen dan mahasiswa Program Studi Teknik Sipil Institut Teknologi Sumatera (ITERA) melaksanakan kegiatan Pengabdian kepada Masyarakat di Provinsi Lampung dengan fokus pada pendampingan identifikasi, pengolahan, dan pemanfaatan limbah industri sebagai bahan baku alternatif beton non-struktural ramah lingkungan. Metode kegiatan meliputi observasi lapangan untuk mengidentifikasi jenis dan volume limbah, pengambilan sampel sludge beton, sisa agregat, serta debu produksi AMP, pengujian karakteristik fisik material di laboratorium, dan perancangan variasi campuran beton dengan substitusi sebagian agregat menggunakan material limbah yang telah melalui proses pengeringan dan pengayakan. Evaluasi dilakukan melalui pengujian kuat tekan beton pada beberapa variasi komposisi limbah. Hasil menunjukkan bahwa pada komposisi limbah 20%–30%, beton non-struktural mampu mencapai kuat tekan rata-rata 12,73 MPa dan masih memenuhi persyaratan teknis untuk aplikasi seperti paving block dan elemen pracetak ringan. Namun, pada komposisi 75%, kuat tekan menurun signifikan menjadi 5,85 MPa. Dengan ketersediaan limbah sekitar 1–2 ton per minggu, pemanfaatan optimal pada kisaran 20%–30% berpotensi mendukung produksi beton non-struktural berkelanjutan serta penerapan prinsip ekonomi sirkular di sektor konstruksi.
Co-Authors Afriyanti Indi Mustari Ahmad Yudi Alda Farida Andinata, Reynaldi Andreas, Ryan Andry Yuliyanto Aprilia, Ayu Sinta Apriwelni, Siska Asferizal, Ferial Ayudia Hardiyani Kiranaratri Budi Ribowo, Anggarani Cahyo Agung Saputra Condro Winarsih, Anita Lestari Condro, Anita Lestari Dandi Rahman Hakim Dandi Rahman Hakim Devi, Yunida Dukhi Safaraz, Muhammad Ekaputra, Reza Asriandi Fadillah Sabri Fahmi, Aziz Fatkhurrozi, Muhammad Fauziah, Selma Nurul Ferial, Asferizal Fitriana, Indri Rahmandhani Galih Rio Prayogi Hayyu Sariyah Heni Pujiastuti Ilpandari, Ilpandari Indri Rahmadhani Fitriana Indri Rahmandhani Fitriana Indri Rahmandhani Fitriana Julita Hayati Julita Hayati Junita Eka Susanti Khanza, Ayu Kamila Kurniawan, Reynaldi Lukamnul Hakim Lumbantobing, Oscar M. Juang Renaldi Fiqri Marina, Bernaditha Catur Martino, Ahmad Fadlun Harianto Mashuri Mashuri Mashuri Mashuri Mashuri Mashuri Michael Michael Michael Miskar Maini Muhammad Dukhi Safaraz Mustofa, Umar Nadi, Muhammad Abi Berkah Nana Putri Yanto Nugraha Bintang Wirawan, Nugraha Bintang Nur Annisa, Gita Oktarina Oktavia, Amelia P Kirtinanda Pratama, Maryo Inri Priyono, Alfito Putri Ayu Dwiyana Putri, Ajeng Meidiany Rahma Yanda Rahmat Kurniawan Rahmawati, Vaisyah Retno Hutami Adinigsih Reynaldi Kurniawan Sahid Sahid Saputro, Eka Aji Sedo Putra, Muhammad Hakiem Setiawan, Preza Sihombing, Tera Melya Patrice Sihombing, Tera Melya Patrice Simaremare, Nicodemus Serep Martua Aritonang Sitepu, Arif Rahman Hakim Sitompul, Naomi Jesika Syahidus Syuhada Syukry, Zein Akbar Tambunan, Hermon Frederik Tera Melya Patrice Sihombing Tera Melya Patrice Sihombing Wiedad, Diyaulhaq Wikantari, Ni Made Lita winarsih, anita lestari condro Wiratyadi, Irfaan Yudi, Ahmad Zhafira, Elian