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All Journal 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 ABDINUS : Jurnal Pengabdian Nusantara Prosiding Seminar Nasional Teknik Sipil UMS J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat)
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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Social Sciences Transportation

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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.
Co-Authors Aisyah Christine Zalukhu Andik Setiawan Ariyani, Ninik Debora Laia Dira, Yordi Permana Mahesa Ratu Ebelhart O Pandoyu Ebelhart O. Pandoyu Ebelhart O. Pandoyu Edwin Mihardja Gea, Jumas Rivalten Omieli Gitit I.P Wacana Harianja, Jhonson A Harianja, Jhonson Andar Henny I. Abulebu Heriadi Holmes Rolandy Kapuy Ifiginia Ilyas Martunus Irnovia B. Pakpahan Irnovia B. Pakpahan Ita Mowidu Jason Fernaldi Jescey Edlin Prajogo Mahardika, Daniswara Indra Marthen M. Tangkeallo Marthen M. Tangkeallo Moh Irfan Latowale Morib, Margeritha Agustina Nur Yuwono Orva E. Wuon Pantih, Suwardhi Pujiono Pujiono Pujiono Pujiono Pujiono Pujiono Putra, Only Jeje A. Radianta Triadmadja Sanam, Adel Faniati Sanam, Melvi Sartika Andi Patau Sipayung, R J Indra Sipayung, Renan J. Indra Sudarto Usuli Sudarto Usuli Surya Hermawan Warniyati Warniyati WIDIASTUTI - Wikana, Iwan Yusran Maaroef Zalukhu, Aisyah Christine