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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Silitonga, Ernesto Maringan Ramot
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Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Environmental Science Transportation Other

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PEMBERDAYAAN KELOMPOK TUKANG BANGUNAN UNTUK MENGATASI RISIKO BANGUNAN RAWAN LONGSOR DI DESA PERKEBUNAN BUKIT LAWANG Silitonga, Ernesto Maringan Ramot; Qarinur, Muhammad; Sibuea, Dody Taufik Absor; Batubara, Hamidun; Hutagaol, Parlaungan
Bangun Rekaprima Vol. 10 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5454

Abstract

Following the flash flood in Bahorok in 2003, concerns about potential similar disasters in the future have been on the rise among both the community and the government. However, economic demands in the vicinity of the affected area have led the community to continue utilizing the riverbanks for building purposes, particularly for nature tourism. This land use has resulted in the narrowing of the river, leading to floods and landslides. Therefore, the less skilled construction workers, who are partners in this initiative, require assistance from the proposing team to provide training in building construction, especially in landslide-prone areas. This training is expected to be a solution to address the issue. Through the exchange of ideas with the proposing team, the partners can enhance their understanding of anticipating building damages due to errors in construction methods. After the training, the community will have a guide for planning and constructing buildings in landslide-prone areas, creating a safe and comfortable environment for both the local residents and tourists visiting Bukit Lawang.
COMPREHENSIVE GEOTECHNICAL ANALYSIS OF LANDSLIDE RISK FACTORS: INSIGHTS FROM KARO REGENCY, NORTH SUMATERA, INDONESIA Qarinur, Muhammad; Silitonga, Ernesto Maringan Ramot; Sibuea, Dody Taufik Absor; Alvan, Syahreza; Nasution, Irma Novrianty; Yacub, Mirzal
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 2 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i2.6161

Abstract

This study explores geological and geotechnical factors impacting landslide risk inKaro Regency, Sumatera Utara, Indonesia, a region inherently susceptible tolandslides due to its volcanic terrain. Analyzing seven landslide sites, the researchcombines field slope geometry measurements and soil bulk density tests withdetailed laboratory investigations, including Triaxial Unconsolidated Undrained(Triaxial UU) testing. Findings reveal critical insights into soil behavior, stability,and variations in shear strength parameters. The Unified Soil Classification System(USCS) identifies prevalent soil types, dominated by poorly graded sands andgravelly sands. Triaxial UU testing exposes significant variations in shear strengthparameters, highlighting soil heterogeneity. This comprehensive study contributes togeotechnical engineering, emphasizing the need for tailored mitigation strategiesand multidisciplinary approaches in effective landslide risk management in KaroRegency.
Evaluasi Neraca Air Daerah Irigasi Sei Belutu Kabupaten Serdang Bedagai: Evaluation of Water Balance of Sei Belutu Irrigation Area of Serdang Bedagai Regency Qarinur, Muhammad; Silitonga, Ernesto Maringan Ramot; Sibuea, Dody Taufik Absor; Rahayu, Tri
Jurnal Teknik Sipil dan Lingkungan Vol. 7 No. 1: April 2022
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.7.1.89-100

Abstract

Analisis neraca air dapat memberikan pemahaman terhadap siklus hidrologi dalam penjadwalan irigasi yang tepat untuk memenuhi nutrisi tanaman padi serta efisiensi penggunaan air yang berkelanjutan. Pada penelitian ini analisis neraca air dilakukan pada daerah irigasi Sei Belutu, Kabupaten Serdang Bedagai. Komponen utama yang digunakan di dalam analisis adalah ketersediaan air yaitu debit andalan yang dihitung dengan menggunakan metode F. J. Mock, dan kebutuhan air irigasi yang terdiri dari kebutuhan air konsumtif tanaman, kebutuhan air untuk penyiapan lahan, kebutuhan air untuk penggantian lapisan air, perkolasi, curah hujan efektif, efisiensi irigasi, dan luas lahan. Hasil evaluasi neraca air diperoleh besar debit andalan terkecil 1,80 m3/dt pada bulan Agustus dan terbesar 12,72 m3/dt pada bulan Oktober, sedangkan besar kebutuhan air irigasi terkecil adalah sebesar 1,98 m3/dt dan kebutuhan air irigasi terbesar adalah sebesar 11,01 m3/dt. Kebutuhan air di pintu pengambilan lebih besar daripada ketersediaan air yang ada untuk seluruh alternatif pola tanam. Hal ini akan mengakibatkan kurang maksimalnya pengairan daerah irigasi Sei Belutu seluas 5025 Ha. Permasalahan yang menyebabkan terjadinya kekurangan suplai air di lapangan adalah keberadaan daerah irigasi Malasari dan daerah irigasi Martebing yang juga memanfaatkan air dari Sungai Sei Belutu. Oleh karena itu, perlu dilakukan peninjauan kembali dalam pemenuhan kebutuhan air irigasi di daerah irigasi Sei Belutu dengan mempertimbangkan perencanaan bendungan ataupun embung pada bagian hulu daerah irigasi.
Co-Authors Alvan, Syahreza Dody Taufik Absor Sibuea Hamidun Batubara Irma Novrianty Nasution Muhammad Qarinur Parlaungan Hutagaol, Parlaungan Tri Rahayu Yacub, Mirzal