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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 Specta Journal of Technology 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
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Studi modeling dan mapping inundasi tsunami menggunakan software Delft3D studi kasus Pantai Labuan Jukung Lampung M. Gilang Indra Mardika; Mashuri; Dandi Rahman Hakim
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 54-63
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.13.1.9348.54-63

Abstract

To begin with, one of the valuable beaches at Pesisir Tengah Krui District is Labuhan Jukung Beach that directly encounters the Indian Ocean and is crossed by tectonic plates. The current position could consequence a tsunami disaster and cause loss and damage to the area at any time soon. In addition, no hazard map released by the National Center for Volcanology and Disaster Mitigation in the study location is one of the shortcomings of tsunami-prone areas in the West Coast tourist area. Tsunami wave propagation model establishment is a monumentally vital step in tsunami mitigation to pinpoint areas which are vulnerable to tsunami disasters and maximize the damage control. One way or another is by utilizing Delft3D 4.04.01 software according to wave propagation simulation scenario analysis. The input for modeling adopts historical tsunami height data which has similar characteristics to the case study location points, simultaneously 3.6 meter, 8 meter and 15 meter. The outcome wave height of 3.6 meter takes within 36 minutes to reach the coast and it does not cause inundation, meanwhile the outcome of waves height of 8 meter and 15 meter are accomplishing a tsunami inundation on land which takes 33 - 35 minutes to approach the coast. The data used in these scenarios demands the model accuracy requirements of modeling validation by inspecting the wavelengths formed in shallow water. Based on all of these scenario modeling results, the maximum propagation scenario for an 8 meter wave height on land is 330 meter, on the other hand for a 15 meter wave height is 450 meter from the coastline.
Perancangan bangunan pelindung pantai dalam penanganan abrasi (studi kasus: Pantai Caruban, Jawa Tengah) M Gilang Indra Mardika; Tera Melya Patrice Sihombing; Retno Hutami Adinigsih
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 21-34
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.14.1.10341.21-34

Abstract

Citing from the National Disaster Management Agency (BNPB) in 2022, abrasion occurred located at Caruban Beach, Gedongmulyo Village, Lasem District, Rembang Regency, Central Java Province. The impact of this abrasion causes a significant change in the coastline. One of the efforts to overcome these problems is to plan coastal protection which is adjusted to the existence of the parameters and urgency on Caruban Beach. The main aims of this research is planning breakwater structure as coastal protection and addressing the abrasion. The parameters used in the planning of coastal protection include significant wave height, tides with HHWL values, refractive coefficients, and shoaling coefficients for the transformation of deep water into shallow water, the raise up of water surface, and Sea Level Rise value. The data on high and significant wave periods are processed using the probability distribution of the Fisher Tippett Type I method at a 50-year return period with high values and extreme wave periods of 2.402 meters and 5.61 seconds, respectively. Waves transformation by the refractive coefficient and shoaling coefficient is derived around 1.57 meters at a depth of 5 meters. HHWL value is earned at 0.928 meters. The value of wave set-up is 0.11 meters, while sea level rise in the best estimate in 2075 is 0.24 meters. So design water level is 1.28 meters. The coastal protection chosen is offshore breakwater because it serves to maintain the position of the coastline and maintain the function of Caruban Beach as tourist destination. Breakwater planning uses three types of protective layers, namely tetrapods, dolos, and boulders, where the wave propagation value on the three types of protective layers is derived consecutively of 0.73 meters, 0.68 meters, and 1.46 meters. Thus, the elevation of the tetrapod, dolos, and boulder protection layers is 2.6 meters respectively, 2.5 meters, and 3.3 meters.
Prioritas Pengembangan Infrastruktur Agropolitan Berdasarkan Persepsi Petani: Analisis Importance–Performance di Kawasan Strategis Produksi Padi Babulu Maryo Inri Pratama; Hidayat, Aditya Alif; Pratomo, Rahmat Aris; Mustofa, Umar; Mardika, M Gilang Indra
SPECTA Journal of Technology Vol. 10 No. 1 (2026): Specta Journal of Technology
Publisher : LPPM ITK

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Abstract

Babulu District is recognized as the primary rice-growing area in the region of North Penajam Paser Regency. This region is expected to become a food security buffer for the prospective Indonesian capital city (IKN). In spite of the significance and high agricultural potential of the region, agropolitan development in the region is limited by the lack of adequate infrastructures. This study aims to measure the significance levels and performance levels of agropolitan infrastructures in the region of Babulu District through the Importance-Performance Analysis (IPA) tool. Questionnaires and in-depth interviews with farmer groups and key informants are employed as data collection instruments. The findings revealed that irrigation channels and water reservoirs have the largest gaps in terms of importance-performance. This is followed by farm roads, storage facilities, and processing facilities. In contrast, electricity networks, markets, fertilizer kiosks, and extension centers have relatively higher performance levels in comparison to their significance levels. This suggests that a priority should be given to the development of primary infrastructures in agropolitan development in the region
Tsunami Inundation Modelling and Mapping Based on Megathrust Predictions along the Kalianda Coast of Lampung Province Using Delft3D Mardika, M Gilang Indra; Fitriana, Indri Rahmandhani; Tobing, Revin Valent Lumban
BANDAR: JOURNAL OF CIVIL ENGINEERING Vol. 8 No. 1 (2026): Bandar: Journal of Civil Engineering
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/bjce.v8i1.5737

Abstract

Indonesia is situated along active subduction zones such as the Sunda Strait, making the country particularly Lampung Province highly vulnerable to megathrust-induced tsunami events. According to data compiled by the National Center for Earthquake Studies 2017, the Sunda Strait has the potential to experience a major earthquake with a magnitude of Mw 8.7–8.8. One notable historical event was the 2018 Kalianda tsunami, which caused numerous fatalities and significant infrastructure damage. This study aims to model and map tsunami inundation in the Kalianda coastal area based on potential megathrust earthquake scenarios. Simulations were carried out using Delft3D and GIS software and validated against historical data from the 2018 tsunami. The validation process used the Mean Absolute Error (MAE) method and correlation coefficient (R), resulting in an error of 0,2357 (23.57%) and a correlation value of 0,543. Three tsunami scenarios were modeled. In Scenario 1, the tsunami wave propagated for 100 minutes, reached a maximum height of 1 meter, and traveled 446,32 meters inland. In Scenario 2, the wave did not reach the shoreline. In Scenario 3, the wave arrived at the coast after 90 minutes, reached a height of 0,4 meters, and inundated up to 1016 meters inland. These results contribute to understanding tsunami hazards and provide insights for improving mitigation strategies in vulnerable coastal areas.
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 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 Hidayat, Aditya Alif 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 Maryo Inri Pratama 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 Aris Pratomo 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 Tobing, Revin Valent Lumban Wiedad, Diyaulhaq Wikantari, Ni Made Lita winarsih, anita lestari condro Wiratyadi, Irfaan Yudi, Ahmad Zhafira, Elian