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All Journal Jurnal Kelautan Tropis Jurnal Teknik Sipil E-Dimas: Jurnal Pengabdian kepada Masyarakat Journal of the Civil Engineering Forum Potensi : Jurnal Sipil Politeknik AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Civil Engineering Journal Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Abdi Insani Jurnal Abdimas Kartika Wijayakusuma Prosiding Seminar Nasional Teknik Sipil UMS J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Maroso
David S. V. L Bangguna
Universitas Kristen Immanuel
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Social Sciences Transportation Other

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Journal : Potensi : Jurnal Sipil Politeknik

 1 
Simulasi Pengaruh Arus Terhadap Simpangan dan Efisiensi Silt Screen David Bangguna; Irnovia B. Pakpahan; Ifiginia
Potensi: Jurnal Sipil Politeknik Vol 23 No 1 (2021): Potensi: Jurnal Sipil Politeknik
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1044.012 KB) | DOI: 10.35313/potensi.v23i1.2256

Abstract

Slit screen yaitu tirai tidak kaku (screen) yang berfungsi untuk menahan laju sedimen khususnya lumpur (silt) yang membuat alur pelayaran di kolam labuh menjadi dangkal akibat siltasi (siltation). Silt screen dapat dibuat dari bahan geotekstil yang berfungsi sebagai penahan sedimen yang diberi pelampung dan pemberat di bawahnya. Dari simulasi silt screen menunjukkan bahwa pengikatan pelampung memberikan simpangan yang lebih rendah 21,15%sampai dengan 33,85% dengan efisiensi 53,85% sampai dengan 84,23%, jika dibandingkan tanpa pengikatan pelampung simpangan yang terjadi 50,00% sampai dengan 72,69% dengan efisiensi 30,19% sampai dengan 71,92%. Pelampung yang terlalu berat akan mengakibatkan perubahan tinggi silt screen arah vertikal menjadi rendah, sehingga fungsi silt screen tidak akan maksimal dalam aplikasinya sebagai penjaring sedimen.
Pengaruh Pemeraman Terhadap Stabilisasi Tanah Laterit Campuran Zeolit Aktivasi Waterglas Terhadap Nilai California Bearing Ratio David Bangguna
Potensi: Jurnal Sipil Politeknik Vol 25 No 1 (2023): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v25i1.4576

Abstract

Soil is the base of construction, both building construction and road construction. One of the poor soil conditions is determined by the amount of soil bearing capacity (CBR) value. The objective of this study is to obtain the effect of curing time on the CBR value of a zeolite-stabilized laterite soil activated by waterglass. This test is guided by ASTM for each test. The laterite soil dominated by iron oxidation in brownish red FeO. The stabilizing material zeolite contains crystalline minerals of alumina silicate SiO2 having four main functions, namely ion exchanger, adsorption filter, catalyst and molecular sieving. While waterglass dominated by sodium meta silicate. Stabilization conducted using 4%, 8%, 12%,16% natural zeolite compared to dry weight of the soil and waterglass equals to 6% of dry weight of laterite soil. Specimen tested on curing time of 0, 7 and 14. Test result shows the CBR result untrated soil 18,70% and increasing along with zeolite addition and along with increasing curing time. CBR value of laterite soil stabilization using zeolite activated by waterglass increased 2 to 3 times with the increasing CBR value of 38,82%, 41,81% and 46,46% at 14 days of curing time.
Application of JONSWAP Method for Analyzing Wave Height and Period on the Coastal of Poso, Tomini Bay, Poso Regency Bangguna, David; Pakpahan, Irnovia B.; Pandoyu, Ebelhart O.; Abulebu, Henny Indriyani; Bansambua, Elce Misba; Lamusu, Rahman
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 1 (2025): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v27i1.6312

Abstract

Poso Regency has great potential to be developed into a marine tourism and fisheries city due to its 64.6 km coastline, extending from Tumora in North Poso Pesisir District to Malei in Lage District. For the development of a marine tourism and fisheries city in Poso Regency, data related to wave height and period are required. One method for measuring wave height and period in a body of water is the JONSWAP (Joint North Sea Wave Project) method, an advancement of the Pierson-Moskowitz (1964) method. The JONSWAP method incorporates fetch length and wind speed parameters for calculating wave height and period, whereas other methods only use fetch length. This study aims to analyze wave height and period in Tomini Bay, using the JONSWAP method. The results show that the wind direction dominantly from the north, with most wind speeds (67.71%) being below 0.5 m/s. Wind gusts from the southeast were not detected on the wind rose because the area is located in the Verbeek Mountains; thus, southeast winds can be deflected. The average wind speed is 1.533 m/s, the significant wave height is 0.09 m, the peak wave period is 3.603 seconds, and the wave type is non-fully developed sea.
Co-Authors Abulebu, Henny Indriyani Andik Setiawan Andik Setiawan B. Pakpahan, Irnovia Bansambua, Elce Misba Dakhi, Inka Kris Alrezita Dira, Yordi Permana Mahesa Ratu E. Wuon, Orva Ebelhart O Pandoyu Ebelhart O. Pandoyu Edwin Mihardja Gea, Jumas Rivalten Omieli Gitit I.P Wacana Harianja, Jhonson A Harianja, Jhonson A. Henny I. Abulebu Heriadi Heriadi Heriadi, Heriadi Holmes Rolandy Kapuy Ifiginia Ilyas Martunus Irnovia B. Pakpahan Ita Mowidu Iwan Wikana Jason Fernaldi Jescey Edlin Prajogo Jhonson Andar Harianja Laia, Debora Lamusu, Rahman Lasander, Melyana Yunia Latowale, Moh Irfan Lawodi, Yulisnawati M. Tangkeallo, Marthen Maaroef, Yusran Mahardika, Daniswara I. Mahardika, Daniswara Indra Margeritha Agustina Morib Marthen M. Tangkeallo Martunus, Ilyas Moh Irfan Latowale Morib, Margeritha A. Ninik Ariyani Nur Yuwono O. Pandoyu, Ebelhart Pakpahan, Irnovia B. Pandoyu, Ebelhart O. Pantih, Suwardhi Pujiono Pujiono Pujiono Pujiono Pujiono Pujiono Putra, Only Jeje A. R Ratih Radianta Triadmadja Sanam, Adel F. Sanam, Adel Faniati Sanam, Melvi Sartika Andi Patau Sipayung, R J Indra Sipayung, R. J. Indra Sipayung, Renan J. Indra Sudarto Usuli Sudarto Usuli Surya Hermawan Wacana, Gitit I.P Warniyati Warniyati WIDIASTUTI - Yusran Maaroef Zalukhu, Aisyah Christine Zalukhu, Sulfiman