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All Journal Jurnal Teknik Sipil USU PEDULI: Jurnal Imiah Pengabdian Pada Masyarakat Jurnal Riset Teknik Sipil dan Sains
Syarvina Syarvina
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Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Social Sciences Transportation

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MEKANISME GERUSAN LOKAL PADA PILAR SILINDER TUNGGAL DENGAN VARIASI DEBIT Syarvina Syarvina
Jurnal Teknik Sipil USU Vol 2, No 3 (2013): JURNAL TEKNIK SIPIL USU VOLUME 2 NO.3 TAHUN 2013
Publisher : Jurnal Teknik Sipil USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.371 KB)

Abstract

ABSTRAK Aliran yang terjadi pada sungai disertai proses penggerusan dan deposisi dapat diakibatkan kondisi morfologi sungai dan adanya bangunan sungai yang menghalangi aliran. Penelitian tentang pola gerusan di sekitar pilar dengan variasi debit aliran dilakukan untuk mempelajari pengaruh debit terhadap pola gerusan dan besarnya kedalaman gerusan. Penelitian dilakukan di Laboratorium Hidraulika Teknik Sipil Universitas Sumatera Utara menggunakan alat flume dengan panjang 8 m, tinggi 0,3 m dan lebar 0,076 m, dengan pengukuran pola dan kedalaman gerusan disekitar pilar silinder dengan debit aliran sebesar 1,0 liter/det, 1,5 liter/det, dan 2,0 liter/det pada kondisi aliran clear water scour. Material yang digunakan pasir yang lolos saringan No.10 dan tertahan saringan No.200 dengan nilai d50 = 0.68 mm. Model diuji selama 250 menit untuk setiap kali running. Hasil penelitian menunjukan gerusan terbesar pada pilar terjadi pada bagian hulu pilar pada titik pengamatan 5. Kedalaman gerusan maksimum dari semua pilar silinder terjadi pada debit 2,0 liter/det, sedangkan kedalaman gerusan minimum terjadi pada debit 1,0 liter/det. Nilai kedalaman gerusan maksimum pada variasi debit aliran 1,0 liter/s, 1,5 liter/det, dan 2,0 liter/det secara berturut-turut adalah 25 mm, 51 mm, 96 mm. Kata Kunci : Gerusan lokal, pilar silinder dan arah aliran
Kajian Hidrologi dan Potensi Dekarbonisasi Pada Pembangkit Listrik Tenaga Air Run Off River Batang Toru Kabupaten Tapanuli Selatan Baihaqi, Rachmat Gibran; Sembiring, Robi Arianta; Faisal, Muhammad; Syarvina, Syarvina
Jurnal Riset Teknik Sipil dan Sains Vol. 4 No. 1 (2025): Agustus 2025 - Jurnal Riset Teknik Sipil dan Sains
Publisher : Politeknik Negeri Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57203/jriteks.v4i1.2025.62-68

Abstract

Indonesia has significant water resources potential for the development of hydropower plants, including the Batang Toru River with a power potential of 510 MW that has not yet been fully utilized. This study aims to analyze the hydrological potential of the Batang Toru River, calculate the potential electricity generation capacity, and evaluate the potential reduction of carbon emissions to support sustainable and environmentally friendly hydropower operations. The research methods include literature review, collection of historical rainfall and river discharge data, hydrological analysis to determine reliable discharge, hydraulic analysis to calculate the effective head, and simulation of the potential power generation capacity. The results show that the 90% reliable discharge (Q90) of 72.67 m³/s is insufficient to meet the 510 MW power demand, thus requiring the construction of a reservoir with a design discharge of 219.494 m³/s. With this discharge, the Batang Toru Hydropower Plant can generate 510 MW of electricity and is estimated to reduce carbon emissions by 1,326,645 tons per year. This study recommends expanding hydrological data coverage, utilizing GIS-based modeling technology, and conducting economic feasibility and environmental impact analyses to improve the efficiency and sustainability of the hydropower plant
PENINGKATAN KUALITAS JALAN PONDOK PESANTREN ‘AINUL HAYAH MELALUI PELATIHAN PEMBUATAN PAVING BLOCK Lubis, Adina Sari; Harahap, Muthiah Putrilan Syamnah; Syarvina, Syarvina; Nasution, Derry Wiliyanda
PEDULI: Jurnal Ilmiah Pengabdian Pada Masyarakat Vol 10 No 1 (2026): In Progres
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/peduli.v10i1.780

Abstract

The internal road access at Ainul Hayah Islamic Boarding School in Deli Serdang remains unpaved, leading to slippery and muddy conditions during the rainy season and increasing safety risks for students and the surrounding community. Limited financial resources also constrain the implementation of conventional pavement solutions. This community service program aims to improve road quality through participatory training in the production and installation of paving blocks. The method employed a participatory and applicative approach, including preliminary surveys, hands-on training in manual paving block production, laboratory testing of compressive strength at 28 days, and field implementation of paving installation. The results show that participants were able to independently produce and install paving blocks, with compressive strength values generally ranging from quality D to approaching quality C based on SNI 03-0691-1996 standards. The installed pavement significantly improved road conditions, making them more stable, less muddy, and safer for daily use. In addition, the program enhanced participants’ technical skills, knowledge, and confidence, contributing to the community’s self-reliance in simple infrastructure development. This study demonstrates that participatory training combined with appropriate technology can effectively address infrastructure problems while empowering local communities, and it has strong potential for replication in similar educational and residential settings.
Co-Authors Adina Sari Lubis, Adina Sari Baihaqi, Rachmat Gibran Derry Wiliyanda Nasution Harahap, Muthiah Putrilan Syamnah Muhammad Faisal Sembiring, Robi Arianta