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All Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan) Indonesian Journal of Geography Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik Sipil Jurnal Teknik Sipil dan Perencanaan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Journal of Geoscience, Engineering, Environment, and Technology Teras Jurnal Journal of the Civil Engineering Forum Civil Engineering Dimension Civil Engineering Journal Jurnal Aplikasi Teknik Sipil Jurnal Teknik EPI International Journal of Engineering Action Research Literate (ARL) International Journal of Research in Vocational Studies (IJRVOCAS) Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Jurnal Pusat Inovasi Masyarakat Journal Of Sustainability Perspectives Journal of Sustainability Perspectives Indonesian Geotechnical Journal Policy Brief Pertanian, Kelautan, dan Biosains Tropika Journal of Civil Engineering and Vocational Education Jurnal Greenation Ilmu Teknik (Journal of Environmental Sustainability Management) J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Putra, Heriansyah
Department Of Civil And Environmental Engineering, Bogor Agricultural University, Darmaga, Bogor, 16680, INDONESIA
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Mitigasi Longsor Berbasis Komunitas Melalui Penerapan Metode Bioengineering Rumput Vetiver di Desa Petir Putra, Heriansyah; Sutoyo, Sutoyo; Ramadhanis, Zainab; Apriadi, Apriadi; Utami, Anisa Dwi; Khayyira, Avrill; Aryanti, Windy D; Bilqist, Fitri W; Praditya, Meindika R; Faiq, Muhammad F; Munawar, Muhammad A I; Hutapea, Jose T; Athourrohman, Muhammad
Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat) Vol 5 No 6 (2025): Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat)
Publisher : Pustaka Galeri Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55382/jurnalpustakamitra.v5i6.1457

Abstract

Desa Petir, Kecamatan Dramaga, Kabupaten Bogor merupakan salah satu wilayah dengan tingkat kerawanan tanah longsor yang tinggi. Kondisi topografi yang curam, curah hujan tinggi, serta sejarah kejadian longsor yang telah menimbulkan korban jiwa menjadi alasan diperlukan mitigasi yang efektif dan berkelanjutan. Kegiatan pengabdian ini bertujuan untuk memperkuat upaya mitigasi longsor berbasis komunitas melalui penerapan metode soil bioengineering menggunakan tanaman rumput vetiver (Vetiveria zizanioides). Kegiatan dilaksanakan pada Juni sampai Oktober 2025 yang mencakup empat tahapan, yaitu pengukuran kemiringan lereng, sosialisasi bencana longsor dan metode bioengineering, penanaman vetiver, penetapan daerah rawan. Hasil pengukuran di RW 03 dan RW 04 mengidentifikasi kemiringan lereng 17,7°–35° ,yang tergolong sesuai untuk penanaman vetiver berdasarkan pedoman teknis PUPR (2012). Dua titik di RW 03 dan RW 04 Desa Petir dijadikan sebagai prioritas penanaman rumput vetiver karena letaknya yang dekat dengan pemukiman warga. Hasil kegiatan menunjukkan bahwa metode bioengineering berbasis vegetasi dapat diaplikasikan secara di wilayah tersebut. Selain membentuk barisan vegetasi penguat lereng, kegiatan ini juga meningkatkan kapasitas masyarakat dalam memahami serta melaksanakan mitigasi bencana yang ramah lingkungan.
Analisis Kerentanan Shelter Tsunami terhadap Beban Gempa dan Tsunami Menggunakan Metode Time History dan Incremental Dynamic Analysis Rivansyah, Mohamad Daffa; Fauzan, Muhammad; Putra, Heriansyah
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 24 No 2 (2025): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/jt.vol24no2.733

Abstract

Palabuhanratu merupakan lokasi dengan risiko tinggi terhadap gempa berkekuatan 8,9 Mw dan tsunami setinggi 20 meter, dengan populasi sekitar 119.347 jiwa dan hingga 1,7 juta pengunjung tahunan. Penelitian ini menganalisis kerentanan shelter dengan menggunakan metode non linear time history dan Incremental Dynamic Analysis terhadap tiga rekaman gempa; Chi-Chi, Iwate, dan Tohoku serta beban tsunami dengan variasi inundasi 2,5–20 m. Hasil analisis menunjukkan bahwa struktur mencapai kinerja IO terhadap gempa pada skala 1,0, namun mengalami peningkatan signifikan dalam simpangan atap akibat beban tsunami, terutama pada ketinggian 15 m. Kurva fragilitas memperlihatkan probabilitas kerusakan berat mencapai 95,6% dan potensi keruntuhan 10,93% pada tsunami dengan puing, sementara pada skenario tanpa puing probabilitas kerusakan berat hampir 0%. Temuan ini menegaskan pentingnya mempertimbangkan beban puing dalam desain shelter tsunami serta memberikan dasar empiris untuk pengembangan kurva fragilitas pada struktur shelter tsunami.
Mapping of Tsunami Vulnerability Levels and Planning of Shelter Points and Evacuation Routes along the Palabuhanratu Coastline Zafira, Aura Putri; Sutoyo; Putra, Heriansyah; Erizal; Ramadhanis, Zainab
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 4 (2025): JGEET Vol 10 No 04 : December (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.4.24849

Abstract

The Palabuhanratu Subdistrict, located in the Sukabumi Regency, is a high-risk area for tsunami disasters owing to tectonic activity along the Indo-Australian and Eurasian Plate subduction zones. The tsunami vulnerability level in this subdistrict is further heightened by the relatively dense population in its coastal areas, which increases the potential for loss of life and material losses. Therefore, an analysis of tsunami vulnerability levels and the planning of structural mitigation measures—such as shelters and evacuation routes—are crucial to protect communities from tsunami threats. This study aims to analyse the inundation area and affected population under tsunami scenarios with wave heights of 10, 15, and 20 m; identify the coverage of the proposed tsunami shelters; and evaluate the effectiveness of evacuation routes leading to the shelters in the Palabuhanratu Subdistrict. The methods employed include scoring and weighting techniques, Model Builder tools, and Network Analyst. The results indicate that coastal villages, such as Citepus, Jayanti, and Palabuhanratu, are highly vulnerable to tsunamis. Based on inundation modelling, Palabuhanratu Village had the largest inundated area and the highest number of affected residents. Most residents of Citepus and Jayanti Villages are located more than 1,350 m from the nearest shelter, with travel times exceeding 30 min. In contrast, the majority of residents in Palabuhanratu Village can reach shelters within 20 min, although some are still categorised as being in distant and very distant zones. A total of 11 evacuation routes were designed to connect the initial evacuation points to the shelters. However, 2 of the 11 routes, from Point 5 and 6, still exceed 1.000 m in distance and require more than 20 min of travel time.
Peningkatan Parameter Kuat Geser Clay Shale Menggunakan Xanthan Gum Modifikasi Polyvinyl Alcohol (PVA) Ismail, Chandra; Putra, Heriansyah; Apriadi, Apriadi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2, DESEMBER 2025 (IN PROGRESS)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.66731

Abstract

The highly expansive characteristics of clay shale lead to several issues in construction. This study aimed to evaluate the use of xanthan gum (XG), polyvinyl alcohol (PVA), and their combination to improve the shear strength parameters of clay shale. A series of experiments were performed, starting from physical property tests, including specific gravity, gradation, and Atterberg limits, and mechanical property tests using the direct shear test to evaluate the effect of the addition of Xanthan Gum and polyvinyl alcohol or their combination on the soil parameters. Xanthan gum and polyvinyl alcohol were mixed with clay shale using dry and wet mixing methods. The study results show that adding xanthan gum and polyvinyl alcohol, and their combination, improves the plasticity index by 156%, 98%, and 6%, respectively. The modification of XG using polyvinyl alcohol was also reported to increase the cohesion and internal friction angle by 200% and 103%, respectively. This study concludes that the addition of polyvinyl alcohol as a modification of xanthan gum is an effective way to improve the soil strength of clay shale.
Co-Authors Achmad Hafidz Agus Purwito Akbar Renaldi Loebis Alfian Helmi Alifah Fidela Amigunani, Zahra Wajdini Amperanoto, Agus Ananda, Fauzan Raflinur Andes Ismayana Andra Ardiana Angga Prayoga Angie Irmajulianna Annisa Daniswara Apriadi, Apriadi Apriadi, Apriadi Ari Setiawan Arief Nugroho, Danang Arief Sabdo Yuwono Arif Satria Aryanti, Windy D Aswin Lim Athourrohman, Muhammad Aulia Andi Mustika Bella Yuliani Bilqist, Fitri W Budi Purwanto Budijanto Widjaja Daniswara, Annisa Debendra Neupane Devya Meisnnehr Devyan Meisnnehr Dian Hestiyantari Dimas Kharizmi Albar Dodik Ridho Nurrochmat Dwi Utami , Anisa Eka Putra, Reza Erizal Erizal , Erizal . Erizal Erizal Fadla Salma Fitriyah Faiq, Muhammad F Fauzan Subeantoro Fazrina Andriani Sakinah Lubis Febrianto, Ari Febrita, Joana Fifi Gus Dwiyanti Fikha Raihani Filipus Gianus Sutanto Giri Rasyidpradana Ganda Hafidz, Achmad Handian Purwawangsa Hendra Prasetia Henky Muljana Herlan Darmawan Hidayat, Febrian R Hideaki Yasuhara Hideaki Yasuhara Hideaki Yasuhara Hideaki Yasuhara Hudaya, Aang Husin Alatas Hutapea, Jose T I Wayan Wirya Aristyana IBNUL QAYIM Imam Suyanto IPB, BPKB Irgie Yudhistira irwan meilano Irzaman, Irzaman ISKANDAR ZULKARNAEN SIREGAR Ismail, Chandra Julianto, Baskoro Tri Khairunnisa, Zayyaan Nabiila Khayyira, Avrill Khoirunisa, Hana Khoirunnisa, Hana Kosasih, Akhmad Lamuse, Maulina Larasaty Layla Alifani Ekrep Loebis, Akbar Renaldi Lofianda, Luthfi Lukvy, Wisely Luthfi Lofianda Maria Evita Maulasih, Resti Meti Ekayani Mitra Djamal Moch Ridwan Widiansyah Mochammad Izzudin Ma’mun Mochammad Zhafran Ichsan Maharama Moh Yasin Mohammad Hamdun Muhamad Raffi Rahman Muhammad Adhiragil Kandyas Muhammad Fauzan Muhammad fauzan Munawar, Muhammad A I Murdiono, Jatmiko N Annisa, Chika Naoki Kinoshita Naoki Kinoshita Naoki Kinoshita Natasyarini, Nanda Purwita Nina Siti Aminah Nofriadi Nurul Chairunnisa Nyoto Santoso Oktafiani, Pradyta Galuh Oktafiani, Pradyta Galuh Oktaviani, Tetra Praditya, Meindika R Prawira, Gilang Indracakti Purwo Mahardi Putri Zafira, Aura Putri, Risky Sherly Putri, Wirdatun Nafiah Putri, Zenia Dwi Rahman, Muhamad Raffi Rahmawan, Rama Zaky Rai Sita Ramadhan, Fathur Ramadhanis, Zainab Ramadhanis, Zainab Dwi Regina Aprilia Zulfikar Retna Apsari Rhini Wulan Dary Rifnadhi, Bayu RIKA RAFFIUDIN Rina Mardiana Riska Aulia Putri Risky Sherly Putri Risky Sherly Putri Risma Amelia Rivansyah, Mohamad Daffa Rizki Amelia Rosyadah, Rani Rukmana, Adi Sari, Windi Mayang Satyanto Krido Saptomo Shahilla Larasaty Slamet, Alim S Slamet, Alim Setiawan Suryanto, Wiwit Sutoyo Sutoyo Sutoyo Sutoyo Syamsul Arifin Syifa Aulia Tri Sudibyo Triyogo Aleksandria Umam, Faqih Nadiya Utami, Anisa D Utami, Anisa Dwi Utami, Annisa Dwi Wahyu Srigutomo Wahyudi Wahyudi Wigo Ardhana WINDRA PRIAWANDIPUTRA, WINDRA Yasminna Dhiya Ulhaq Yasuhara, Hideaki Yudi Chadirin Yuli Suharnoto Zaenal Abidin Zafira, Aura Putri Zalfa Maulida Ihsani